TI 662:
0x4C,0x01, //RX Port0 write enable
0x58,0x58, //I2C pass-through, BCC 2.5Mbps
0x07,0xFF,   // disable  BCC  watchdog
0x09,0x81,
0x5C,0xb0, //633 address
//0x5D,0x06, //camera address
//0x65,0xB2, //camera address

0x4C,0x12, //RX Port1 write enable
0x58,0x58, //I2C pass-through, BCC 2.5Mbps
0x07,0xFF,   // disable  BCC  watchdog
0x09,0x81,
0x5C,0xb0, //633 address
//0x5D,0x06, //camera address
//0x65,0xB2, //camera address

0x4C,0x24, //RX Port2 write enable
0x58,0x58, //I2C pass-through, BCC 2.5Mbps
0x07,0xFF,   // disable  BCC  watchdog
0x09,0x81,
0x5C,0xb0, //633 address
//0x5D,0x06, //camera address
//0x65,0xB2, //camera address

0x4C,0x38, //RX Port3 write enable
0x58,0x58, //I2C pass-through, BCC 2.5Mbps
0x07,0xFF,   // disable  BCC  watchdog
0x09,0x81,
0x5C,0xb0, //   633 address
//0x5D,0x06, //camera address
//0x65,0xB2, //camera address

# "*** RX0 VC=0 ***"
0x4C,0x01 # RX0
0x70,0x1E # RAW10_datatype_yuv422 8bit_VC0
0X7C, 0xA0  //  8-bit processing using upper 8 bits
# "*** RX1 VC=1 ***"
0x4C,0x12 # RX1
0x70,0x5E # RAW10_datatype_yuv422 8bit_VC1
0X7C, 0xA0  //  8-bit processing using upper 8 bits
# "*** RX2 VC=2 ***"
0x4C,0x24   # RX2
0x70,0x9E # RAW10_datatype_yuv422 8bit_VC2
0X7C, 0xA0  //  8-bit processing using upper 8 bits
# "*** RX3 VC=3 ***"
0x4C,0x38    # RX3
0x70,0xDE    # RAW10_datatype_yuv422 8bit_VC3
0X7C, 0xA0  //  8-bit processing using upper 8 bits
# "CSI_PORT_SEL"
0x32,0x01   # CSI0 select
# "CSI_EN"
0x33,0x1    # CSI_EN & CSI0 4L
# "***Basic_FWD"
0x21,0x14     # Synchronized Basic_FWD
# "***FWD_PORT all RX to CSI0"
0x20,0x00      # forwarding of all RX to CSI0

//frame sync settings, For 2.5-Mbps backchannel operation,
//the frame period is 11200 ns (28 bits x 400 ns/bit).
//25fps
WriteI2C(0x4C,0x01) # RX0
WriteI2C(0x6E,0xAA) # BC_GPIO_CTL0: FrameSync signal to GPIO0/1
WriteI2C(0x4C,0x12) # RX1
WriteI2C(0x6E,0xAA) # BC_GPIO_CTL0: FrameSync signal to GPIO0/1
WriteI2C(0x4C,0x24) # RX2
WriteI2C(0x6E,0xAA) # BC_GPIO_CTL0: FrameSync signal to GPIO0/1
WriteI2C(0x4C,0x38) # RX3
WriteI2C(0x6E,0xAA) # BC_GPIO_CTL0: FrameSync signal to GPIO0/1
WriteI2C(0x10,0x91) # FrameSync signal; Device Status; Enabled
0x19,0x02,//FS_HIGH_TIME_1
0x1A,0xCA,//FS_HIGH_TIME_0
0x1B,0x19,//FS_LOW_TIME_1
0x1C,0x1C,//FS_LOW_TIME_0   
0x18,0x01,//FrameSync Enable

TI 633:
0x0D, 0x99   GPIO0/1 output enable