Rainbow Electronics W90N745CDG - Manual (Page 346)

W90N745CD/W90N745CDG
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6.14.2 I 2 C Serial Interface Control Registers Map
R: read only, W: write only, R/W: both read and write
NOTE1: The reset value of I
2 C_WR0/1 is 0x3F only when SCR, SDR and SER are connected to pull
high resistor.
REGISTER ADDRESS R/W DESCRIPTION RESET VALUE
I 2 C Interface 0
I 2 C_CSR0 0xFFF8_6000 R/W I 2 C0 Control and Status Register 0x0000_0000
I 2 C_DIVIDER0 0xFFF8_6004 R/W I 2 C0 Clock Prescale Register 0x0000_0000
I 2 C_CMDR0 0xFFF8_6008 R/W I 2 C0 Command Register 0x0000_0000
I 2 C_SWR0 0xFFF8_600C R/W I 2 C0 Software Mode Control Register 0x0000_003F
I 2 C_RxR0 0xFFF8_6010 R I 2 C0 Data Receive Register 0x0000_0000
I 2 C_TxR0 0xFFF8_6014 R/W I 2 C0 Data Transmit Register 0x0000_0000
I 2 C Interface 1
I 2 C_CSR1 0xFFF8_6100 R/W I 2 C1 Control and Status Register 0x0000_0000
I 2 C_DIVIDER1 0xFFF8_6104 R/W I 2 C1 Clock Prescale Register 0x0000_0000
I 2 C_CMDR1 0xFFF8_6108 R/W I 2 C1 Command Register 0x0000_0000
I 2 C_SWR1 0xFFF8_610C R/W I 2 C1 Software Mode Control Register 0x0000_003F
I 2 C_RxR1 0xFFF8_6110 R I 2 C1 Data Receive Register 0x0000_0000
I 2 C_TxR1 0xFFF8_6114 R/W I 2 C1 Data Transmit Register 0x0000_0000
I
2
C Control and Status Register 0/1 (I
2
C_CSR0/1)
REGISTER ADDRESS R/W DESCRIPTION RESET VALUE
I 2 C_CSR0 0xFFF8_6000 R/W I 2 C Control and Status Register 0 0x0000_0000
I 2 C_CSR1 0xFFF8_6100 R/W I 2 C Control and Status Register 1 0x0000_0000
31 30 29 28 27 26 25 24
Reserved
23 22 21 20 19 18 17 16
Reserved
15 14 13 12 11 10 9 8
Reserved I 2 C_RxACK I 2 C_BUSY I 2 C_AL I 2 C_TIP
7 6 5 4 3 2 1 0
Reserved Tx_NUM Reserved IF IE I 2 C_EN