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AXEL ULite Hardware Manual
6.3.5
UART1
Pin Name
UART1_TX_DATA
UART1_RX_DATA
6.3.6
UART2
Pin Name
UART2_TX_DATA
UART2_RX_DATA
UART2_RTS
UART2_CTS
6.3.7
UART3
Pin Name
UART3_TX_DATA
UART3_RX_DATA
UART3_CTS
UART3_RTS
6.3.8
SAI2
Codec reset and IRQ can be connected to any GPIO.
Pin Name
SAI_TX_BCLK
SAI_TX_DATA
SAI_TX_SYNC
SAI_RX_DATA
SAI_MCLK
v.1.0.2
Pin
Internal Connections
J2.187
CPU.UART1_TX_DATA
J2.189
CPU.UART1_RX_DATA
Pin
Internal Connections
J2.42
CPU.UART2_TX_DATA
J2.44
CPU.UART2_RX_DATA
J2.179
CPU.UART2_RTS
J2.181
CPU.UART2_CTS
Pin
Internal Connections
J2.191
CPU.UART3_TX_DATA
J2.193
CPU.UART3_RX_DATA
J2.195
CPU.UART3_CTS
J2.197
CPU.UART3_RTS
Pin
Internal Connections
J2.66
CPU.JTAG_TDI
J2.68
CPU.JTAG_TRST
J2.70
CPU.JTAG_TDO
J2.72
CPU.JTAG_TCK
J2.34
CPU.JTAG_TMS
August, 2019
Ball/pin #
K14
K16
Ball/pin #
J17
J16
H14
J15
Ball/pin #
H17
H16
H15
G14
Ball/pin #
N16
N14
N15
M14
P14
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