Регистры H616: TWI_DRV Packet Format Register

TWI_DRV_FMT

9.1.5. TWI_DRV Packet Format Register - адрес: 0x500220c 0x500260c 0x5002a0c 0x5002e0c 0x500320c 0x708160c (смещение: 0x020C)

31 |•|•|•|•|•|•|•|•|•|•|•|•|•|•|•|•| 16
15 |•|•|•|•|•|•|•|•|•|•|•|•|•|•|•|•| 00

Unused

Bits 31 : 24

ADDR_BYTE

Bits 23 : 16
R/W
0x1

How many bytes be sent as slave device reg address
0~255

DATA_BYTE

Bits 15 : 0
R/W
0x1

How many bytes be sent/received as data
1~65535

Команда U-Boot для чтения регистра

md 500220c 1
md 500260c 1
md 5002a0c 1
md 5002e0c 1
md 500320c 1
md 708160c 1

typedef union twi_drv_fmt { struct { unsigned data_byte : 16; unsigned addr_byte : 8; unsigned unused0 : 8; } b; unsigned long w; } TWI_DRV_FMT