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-rw-r--r--src/machine/board_circuitplay_express.go3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/machine/board_circuitplay_express.go b/src/machine/board_circuitplay_express.go
index 1601fcab3..ce1f29c75 100644
--- a/src/machine/board_circuitplay_express.go
+++ b/src/machine/board_circuitplay_express.go
@@ -102,7 +102,8 @@ var SPI0 = sercomSPIM3
// I2S pins
const (
I2S_SCK_PIN = PA10
- I2S_SD_PIN = PA08
+ I2S_SDO_PIN = PA08
+ I2S_SDI_PIN = NoPin
I2S_WS_PIN = NoPin // no WS, instead uses SCK to sync
)