HT-NT3
58
• IC Pin Function Descriptions
MB-1407 BOARD (1/12), (2/12), (4/12), (5/12), (7/12), (8/12) IC101 CXD90028GB-B (SoC)
Pin No. Pin Name I/O Description
A1, A2 GPIO14, GPIO12 - Not used
A3 SDA I/O Two-way I2C data bus terminal Not used
A4 USB_DP_P1 I/O Two-way USB serial data (+) bus terminal
A5 USB_DP_P0 - Not used
A6 USB_VRT_P0P1 - External reference resistor connection terminal
A8 NC - Not used
A9 NC - Not used
A11 NC - Not used
A12 NC - Not used
A14 NC - Not used
A15 NC - Not used
A16 NC - Not used
A17 NC - Not used
A19 NC - Not used
A20 NC - Not used
A22 RSTI - Not used
A24 AOMCLK O Master clock signal output to the stream processor
A25 AOBCK O Bit clock signal output to the stream processor and RF modulator
A26 AOSDATA2 O Digital audio signal output to the stream processor
A27 AOSDATA4 O Digital audio signal output terminal
A28 AR0 - Not used
B1, B2 GPIO25, GPIO24 - Not used
B3 SCL I/O Two-way I2C clock bus terminal Not used
B4 USB_DM_P1 I/O Two-way USB serial data (-) bus terminal
B5 USB_DM_P0 - Not used
B8 NC - Not used
B9 NC - Not used
B11 NC - Not used
B12 NC - Not used
B14 NC - Not used
B15 NC - Not used
B16 NC - Not used
B17 NC - Not used
B19 NC - Not used
B20 NC - Not used
B22 NC - Not used
B23 OPTICAL I Digital audio signal input from the optical/coaxial receiver
B24 AOSDATA0 O Digital audio signal output to the stream processor
B25 AOSDATA1 O Digital audio signal output to the RF modulator
B26 AOSDATA3 O Not used
B27 AOLRCK O L/R sampling clock signal output to the stream processor and RF modulator
B28 AL0 - Not used
C1 GPIO15 O Request signal output to the system controller
C2 to C5
GPIO26, GPIO13,
GPIO10, GPIO11
- Not used
C7 NC - Not used
C9 NC - Not used
C10 NC - Not used
C11 NC - Not used
C12 NC - Not used
C13 NC - Not used