diff --git a/Lib/pin_map.teensy3 b/Lib/pin_map.teensy3
index 06286ca..3d800d1 100644
--- a/Lib/pin_map.teensy3
+++ b/Lib/pin_map.teensy3
@@ -2,37 +2,37 @@
 // ----------------------------------
 //  0   B16                  RX1
 //  1   B17                  TX1
-//  2   D0
-//  3   A12     FTM1_CH0     PWM (CAN TX - Teensy 3.1)
-//  4   A13     FTM1_CH1     PWM (CAN RX - Teensy 3.1)
+//  2   D0                   PCS0
+//  3   A12     FTM1_CH0     PWM (CAN TX - Teensy 3.1) I2S_TXD0
+//  4   A13     FTM1_CH1     PWM (CAN RX - Teensy 3.1) I2S_TX_FS
 //  5   D7      FTM0_CH7     PWM
-//  6   D4      FTM0_CH4     PWM
-//  7   D2                   RX3
-//  8   D3                   TX3
-//  9   C3      FTM0_CH2     RX2 PWM
-// 10   C4      FTM0_CH3     TX2 PWM CS
-// 11   C6                   DOUT
-// 12   C7                   DIN
-// 13   C5      LED          SCK
-// 14   D1
+//  6   D4      FTM0_CH4     PWM PCS1
+//  7   D2                   RX3 SOUT0
+//  8   D3                   TX3 SIN0
+//  9   C3      FTM0_CH2     RX2 PWM PCS1 I2S_TX_BCLK
+// 10   C4      FTM0_CH3     TX2 PWM PCS0
+// 11   C6                   SOUT0 I2S_RX_BCLK I2S_MCLK
+// 12   C7                   SIN0 I2S_RX_FS
+// 13   C5      LED          SCK0 I2S_RXD0
+// 14   D1                   SCK0
 // 15   C0
 // 16   B0     (FTM1_CH0)
 // 17   B1     (FTM1_CH1)
 // 18   B3                   SDA0
 // 19   B2                   SCL0
-// 20   D5      FTM0_CH5     PWM
-// 21   D6      FTM0_CH6     PWM
-// 22   C1      FTM0_CH0     PWM
-// 23   C2      FTM0_CH1     PWM
-// 24   A5     (FTM0_CH2)
-// 25   B19                 (PWM - Teensy 3.1)
+// 20   D5      FTM0_CH5     PWM PCS2
+// 21   D6      FTM0_CH6     PWM PCS3
+// 22   C1      FTM0_CH0     PWM PCS3 I2S_TXD0
+// 23   C2      FTM0_CH1     PWM PCS2 I2S_TX_FS
+// 24   A5     (FTM0_CH2)    I2S_TX_BCLK
+// 25   B19                 (PWM - Teensy 3.1) I2S_TX_FS
 // 26   E1
-// 27   C9
-// 28   C8
-// 29   C10                 (SCL1 - Teensy 3.1)
-// 30   C11                 (SDA1 - Teensy 3.1)
+// 27   C9                   I2S_RX_BCLK
+// 28   C8                   I2S_MCLK
+// 29   C10                 (SCL1 - Teensy 3.1) I2S_RX_FS
+// 30   C11                 (SDA1 - Teensy 3.1) I2S_RXD1
 // 31   E0
-// 32   B18                 (PWM - Teensy 3.1)
+// 32   B18                 (PWM - Teensy 3.1) I2S_TX_BCLK
 // 33   A4    (FTM0_CH1)
 // 34          analog only
 // 35          analog only
@@ -48,6 +48,9 @@
 //      A2      FTM0_CH7      SWD Trace
 //      A3      FTM0_CH0      SWD Data
 
+// misc
+        C0                    PCS4 I2S_TXD1
+
 // Analog              Channel     Channel
 //  Pin   Pin   Name   ADC0        ADC1
 // -----------------------------------------