Leave USB-C vSafe UNKNOWN; AF zip has no USB-IF PD (2.83.0).
Alta Frequenza / af-allegati only hold TI SI (SNLA027B, SDAA499), which do not state vSafe5V/vSafe0V. CabCon R2.5 §1.6 defers volts to USB PD. HDMI 1.4 TMDS stays UNKNOWN.
This commit is contained in:
@@ -582,9 +582,19 @@ DOC_USB_LSFS = (
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"Universal Serial Bus Specification Revision 2.0 §7 (field not a single PCB number)"
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)
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DOC_USB_PD_VSAFE = (
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"USB Power Delivery specification vSafe5V (not on file; Type-C CabCon R2.5 names vSafe5V "
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"and tVBUSON as the minimum vSafe5V threshold without restating the volt range. "
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"Type-C Current charger 4.75–5.5 V is not vSafe5V)"
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"USB Power Delivery Specification (USB-IF; not on file). "
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"USB Type-C Cable and Connector Specification Release 2.5, March 2026 "
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"§1.6 p.35: vSafe5V is VBUS “5 volts” as defined by the USB PD specification "
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"(no volt range restated). "
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"Alta Frequenza zip snla027b.pdf (AN-807 Reflections SNLA027B–May 2004–Revised May 2004) "
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"and sdaa499.pdf (Simple Methods to Reduce EMI from a PCB Trace, SDAA499 – September 2026) "
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"do not state vSafe5V. Type-C Current charger Figure 4-39 4.75–5.5 V is not vSafe5V."
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)
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DOC_USB_PD_VSAFE0 = (
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"USB Power Delivery Specification (USB-IF; not on file). "
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"USB Type-C Cable and Connector Specification Release 2.5, March 2026 "
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"§1.6 p.35: vSafe0V is VBUS “0 volts” as defined by the USB PD specification "
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"(no volt range restated). Alta Frequenza TI SI PDFs do not state vSafe0V."
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)
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DOC_IEEE_8023 = "IEEE 802.3 (clause for this variant; not on file)"
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DOC_IEEE_2012 = "IEEE Std 802.3-2012 IEEE Standard for Ethernet"
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@@ -1173,6 +1183,10 @@ def build_m0_catalog() -> dict[str, Any]:
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pid, "vsafe5v", "UNKNOWN",
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needed_document=DOC_USB_PD_VSAFE,
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))
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out.append(_c(
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pid, "vsafe0v", "UNKNOWN",
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needed_document=DOC_USB_PD_VSAFE0,
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))
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return out
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def _eth_cons(pid: str, lid: str) -> list[dict[str, Any]]:
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@@ -1949,7 +1963,7 @@ def build_m0_catalog() -> dict[str, Any]:
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hints=["USB_C", "TYPE_C", "CC1", "CC2"],
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notes=(
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"USB Type-C connector/interface system. Not USB 2.0/3.x/USB4 protocol. "
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"Rp/Rd/Ra from CabCon R2.5 Tables 4-27/4-28/4-29. VBUS volts still USB PD vSafe5V."
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"Rp/Rd/Ra from CabCon R2.5 Tables 4-27/4-28/4-29. Figure 4-39 charger volts are not vSafe5V. USB PD vSafe still not on file."
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),
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))
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usb2_over_c = _usb2_cons("usb-c-usb2-receptacle", speed="hs")
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@@ -2930,10 +2930,25 @@
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"conditions": [],
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"value_origin": "SPEC",
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"typical": false,
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"needed_document": "USB Power Delivery specification vSafe5V (not on file; Type-C CabCon R2.5 names vSafe5V and tVBUSON as the minimum vSafe5V threshold without restating the volt range. Type-C Current charger 4.75\u20135.5 V is not vSafe5V)"
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"needed_document": "USB Power Delivery Specification (USB-IF; not on file). USB Type-C Cable and Connector Specification Release 2.5, March 2026 \u00a71.6 p.35: vSafe5V is VBUS \u201c5 volts\u201d as defined by the USB PD specification (no volt range restated). Alta Frequenza zip snla027b.pdf (AN-807 Reflections SNLA027B\u2013May 2004\u2013Revised May 2004) and sdaa499.pdf (Simple Methods to Reduce EMI from a PCB Trace, SDAA499 \u2013 September 2026) do not state vSafe5V. Type-C Current charger Figure 4-39 4.75\u20135.5 V is not vSafe5V."
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},
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{
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"id": "usb-c-receptacle-vsafe0v",
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"parameter": "vsafe0v",
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"value_kind": "UNKNOWN",
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"mandatory": "MANDATORY",
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"source_type": "STANDARD",
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"source_class": "NORMATIVE",
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"value": null,
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"unit": null,
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"source": null,
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"conditions": [],
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"value_origin": "SPEC",
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"typical": false,
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"needed_document": "USB Power Delivery Specification (USB-IF; not on file). USB Type-C Cable and Connector Specification Release 2.5, March 2026 \u00a71.6 p.35: vSafe0V is VBUS \u201c0 volts\u201d as defined by the USB PD specification (no volt range restated). Alta Frequenza TI SI PDFs do not state vSafe0V."
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}
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],
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"notes": "USB Type-C connector/interface system. Not USB 2.0/3.x/USB4 protocol. Rp/Rd/Ra from CabCon R2.5 Tables 4-27/4-28/4-29. VBUS volts still USB PD vSafe5V.",
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"notes": "USB Type-C connector/interface system. Not USB 2.0/3.x/USB4 protocol. Rp/Rd/Ra from CabCon R2.5 Tables 4-27/4-28/4-29. Figure 4-39 charger volts are not vSafe5V. USB PD vSafe still not on file.",
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"incomplete": false
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},
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{
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@@ -3902,7 +3917,22 @@
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"conditions": [],
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"value_origin": "SPEC",
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"typical": false,
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"needed_document": "USB Power Delivery specification vSafe5V (not on file; Type-C CabCon R2.5 names vSafe5V and tVBUSON as the minimum vSafe5V threshold without restating the volt range. Type-C Current charger 4.75\u20135.5 V is not vSafe5V)"
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"needed_document": "USB Power Delivery Specification (USB-IF; not on file). USB Type-C Cable and Connector Specification Release 2.5, March 2026 \u00a71.6 p.35: vSafe5V is VBUS \u201c5 volts\u201d as defined by the USB PD specification (no volt range restated). Alta Frequenza zip snla027b.pdf (AN-807 Reflections SNLA027B\u2013May 2004\u2013Revised May 2004) and sdaa499.pdf (Simple Methods to Reduce EMI from a PCB Trace, SDAA499 \u2013 September 2026) do not state vSafe5V. Type-C Current charger Figure 4-39 4.75\u20135.5 V is not vSafe5V."
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},
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{
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"id": "usb-c-usb2-receptacle-vsafe0v",
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"parameter": "vsafe0v",
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"value_kind": "UNKNOWN",
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"mandatory": "MANDATORY",
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"source_type": "STANDARD",
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"source_class": "NORMATIVE",
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"value": null,
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"unit": null,
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"source": null,
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"conditions": [],
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"value_origin": "SPEC",
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"typical": false,
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"needed_document": "USB Power Delivery Specification (USB-IF; not on file). USB Type-C Cable and Connector Specification Release 2.5, March 2026 \u00a71.6 p.35: vSafe0V is VBUS \u201c0 volts\u201d as defined by the USB PD specification (no volt range restated). Alta Frequenza TI SI PDFs do not state vSafe0V."
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},
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{
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"id": "usb-c-usb2-receptacle-cc_rd_rp",
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@@ -2,6 +2,13 @@
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What's new in Periscope.
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## 2.83.0 — 2026-09-22 — USB-C vSafe still UNKNOWN (no USB-IF PD on file)
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Alta Frequenza zip and `af-allegati` were searched for vSafe5V / vSafe0V. Contents are TI SI (`snla027b` AN-807, `sdaa499` EMI) — they do not state vSafe voltages. USB Type-C CabCon R2.5 §1.6 p.35 points at USB PD without a volt range. Charger Figure 4-39 4.75–5.5 V stays not-vSafe. HDMI 1.4 TMDS stays UNKNOWN.
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- [Changed] `vsafe5v` / `vsafe0v` needed_document; `catalog.json`.
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- [Changed] INDEX archives AF TI SI as not packed for vSafe.
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## 2.82.0 — 2026-09-22 — HDMI 2.0+ TI fields use source_type VENDOR
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Michele exception: HDMI 2.0 and FRL electrical/PCB numbers from TMDS1204 / SLLA633 use `source_type=VENDOR` (not HDMI Forum STANDARD). TMDS1204-specific limits (skew, vias, FRL data_rate, SIGDET) are PHY_DEPENDENT with a document/rev/section cite and no number. HDMI 1.4 TMDS stays UNKNOWN. pcbsync.com not packed.
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@@ -1,6 +1,6 @@
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{
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"name": "periscope-web",
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"version": "2.82.0",
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"version": "2.83.0",
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"private": true,
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"scripts": {
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"sync-version": "node scripts/sync-version.mjs",
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@@ -21,5 +21,7 @@ TI files are **source_type VENDOR**, never HDMI Forum STANDARD. `https://pcbsync
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| `tmds1204.pdf` | TMDS1204 12Gbps HDMI Hybrid Redriver | SLLSF57A – August 2022 / revised April 2024 | `tmds1204-hdmi-sink`, `tmds1204-hdmi-source`; HDMI **2.0 / FRL** common layout `source_type=VENDOR` | **VENDOR** |
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| `slla633.pdf` | TMDS_CLOCK/FRL_Data Detection Design in HDMI Sink Applications TMDS1204 | SLLA633 – May 2024 | HDMI 2.0+/`tmds1204-*` `sigdet_wakeup` PHY_DEPENDENT (no layout ohms) | **VENDOR** |
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| `HDMI-FRL-Software-Datasheet-61W6169600.pdf` | HDMI 2.1 FRL Compliance Test Solution Datasheet (Tektronix) | (on file; 4 pages) | **not packed** — test-equipment datasheet, not HDMI Forum Adopter | archived only |
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| `snla027b.pdf` | AN-807 Reflections: Computations and Waveforms | SNLA027B – May 2004 / revised May 2004 | **not packed** for USB-C vSafe — TI SI, no vSafe5V/vSafe0V | archived only |
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| `sdaa499.pdf` | Simple Methods to Reduce EMI from a PCB Trace | SDAA499 – September 2026 | **not packed** for USB-C vSafe — TI EMI, no vSafe | archived only |
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Duplicates on Desktop (same MD5, not stored twice here): `USB2_Electrical_Compliance.pdf`, `DVI_Spec_v1.0.pdf`, `USB_TypeC_Functional_Test.pdf`.
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@@ -123,7 +123,17 @@ def test_type_c_rp_rd_from_cabcon_r25_vbus_volts_unknown():
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assert by["t_vbuson_max"].source.page == "247"
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assert "2.5" in by["t_vbuson_max"].source.revision
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assert by["vsafe5v"].value_kind == "UNKNOWN"
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assert "vSafe5V" in (by["vsafe5v"].needed_document or "")
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assert by["vsafe5v"].value is None
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assert "USB Power Delivery" in (by["vsafe5v"].needed_document or "")
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assert "snla027b" in (by["vsafe5v"].needed_document or "")
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assert "Figure 4-39" in (by["vsafe5v"].needed_document or "")
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assert by["vsafe0v"].value_kind == "UNKNOWN"
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assert by["vsafe0v"].value is None
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assert "vSafe0V" in (by["vsafe0v"].needed_document or "")
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hdmi14 = next(p for p in cat.physical_interfaces if p.id == "hdmi-1.4-tmds-type-a")
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hz14 = next(c for c in hdmi14.constraints if c.parameter == "differential_impedance")
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assert hz14.value_kind == "UNKNOWN"
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assert hz14.value is None
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_cite_ok(by["gnd_ir_drop_cable"])
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assert by["gnd_ir_drop_cable"].value == 250.0
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assert by["gnd_ir_drop_cable"].source_type == "CABLE"
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