docs/fingerprint: Add fingerprint template sizes
BRANCH=none
TEST=view in gitiles
@@ -28,10 +28,17 @@ The main source code for fingerprint sensor functionality lives in the
The following "boards" (specified by the `BOARD` environment variable when
building the EC code) are for fingerprint:
-MCU | Firmware (EC "board") | Dev Board
----------------------- | ---------------------------------------------- | ---------
-[STM32H743](Cortex-M7) | `dartmonkey`<br>(aka `nocturne_fp`, `nami_fp`) | Icetower v0.2 <br>(Previously Dragontalon)
-[STM32F412](Cortex-M4) | `bloonchipper`<br>(aka `hatch_fp`) | Dragonclaw v0.2
+MCU | Sensor | Firmware (EC "board") | Dev Board
+---------------------- | ---------- | ---------------------------------------------- | ---------
+[STM32H743](Cortex-M7) | [FPC 1145] | `dartmonkey`<br>(aka `nocturne_fp`, `nami_fp`) | Icetower v0.2 <br>(Previously Dragontalon)
+[STM32F412](Cortex-M4) | [FPC 1025] | `bloonchipper`<br>(aka `hatch_fp`) | Dragonclaw v0.2
+
+### Sensor Template Sizes
+
+Sensor | Fingerprint Template Size
+---------- | --------------------------------
+[FPC 1145] | [~48 KB][FPC 1145 Template Size]
+[FPC 1025] | [~5 KB][FPC 1025 Template Size]
### Determining Hardware {#chromeos-config-fingerprint}
@@ -496,3 +503,7 @@ detail.
[run the unit tests]: ../unit_tests.md#running
[Measuring Power]: ./fingerprint-dev-for-partners.md#measure-power
[dragonclaw]: ./fingerprint-dev-for-partners.md#fpmcu-dev-board
+[FPC 1145]: ../../driver/fingerprint/fpc/libfp/fpc1145_private.h
+[FPC 1025]: ../../driver/fingerprint/fpc/bep/fpc1025_private.h
+[FPC 1145 Template Size]: https://chromium.googlesource.com/chromiumos/platform/ec/+/127521b109be8aac352e80e319e46ed123360408/driver/fingerprint/fpc/libfp/fpc1145_private.h#46
+[FPC 1025 Template Size]: https://chromium.googlesource.com/chromiumos/platform/ec/+/127521b109be8aac352e80e319e46ed123360408/driver/fingerprint/fpc/bep/fpc1025_private.h#44
