Skip to content

Clarify and correct the FPR_LED pinouts #53

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
wants to merge 1 commit into
base: main
Choose a base branch
from
Open

Clarify and correct the FPR_LED pinouts #53

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
7 changes: 4 additions & 3 deletions Mainboard/README.md
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -230,9 +230,9 @@ counterclockwise. Amphenol connector numbering is shown in the "Conn" column.
| 42 | 30 | USB_DP | Fingerprint sensor USB |
| 43 | 22 | FPR_CTRL | See [4] |
| 44 | 29 | SWITCH | Power button pin |
| 45 | 23 | FPR_LED_R | Low-side control by the EC |
| 46 | 28 | FPR_LED_W | Low-side control by the EC |
| 47 | 24 | FPR_LED_G | Low-side control by the EC |
| 45 | 23 | FPR_LED_W | See [5] |
| 46 | 28 | FPR_LED_R | See [5] |
| 47 | 24 | FPR_LED_G | See [5] |
| 48 | 27 | FPR_LED_COM | 5V, fingerprint LED, see [3] |
| 49 | 25 | GND | |
| 50 | 26 | NC | |
Expand All @@ -241,6 +241,7 @@ counterclockwise. Amphenol connector numbering is shown in the "Conn" column.
- [2] Connected to the +5VS (switched) rail through a 0 ohm resistor
- [3] Connected to the +5VALW (always-on) rail through a 0 ohm resistor
- [4] FPR_CTRL is used to filter out power button presses while the fingerprint sensor is scanning
- [5] The EC drives these LED's through low-side transistors. The RGB channels from the EC drive the white, green, and red fingerprint LED's, respectively.

## Fan Interface

Expand Down
8 changes: 5 additions & 3 deletions Touchpad/README.md
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -120,8 +120,10 @@ The ZIF connector for the FPC going to the Mainboard, using a ACES 51688-0510M-0
| 44 | USB_DP | | |
| 45 | EC_CONTROL | | |
| 46 | SWITCH | | |
| 47 | LED_R | | |
| 48 | LED_G | | |
| 49 | LED_B | | |
| 47 | LED_R | See [1] | |
| 48 | LED_G | See [1] | |
| 49 | LED_B | See [1] | |
| 50 | LED_COM | | 5V |
| 51 | Reserved | Not connected | |

- [1] The mainboard EC drives these LED's through low-side transistors. The RGB channels from the EC drive the white, green, and red fingerprint LED's, respectively.