W90P710_05 Datasheet, PDF (468/526 Pages) Winbond – 16/32-bit ARM microcontroller

W90P710
31
30
23
22
15
14
7
6
Reserved
29
21
13
5
Reserved
28
27
Reserved
20
19
Reserved
12
11
Reserved
4
3
SDR
SCR
26
18
10
2
Reserved
25
17
9
1
SDW
24
16
8
0
SCW
Note: This register is used as software mode of I²C. Software can read/write this register no matter
I2C_EN is 0 or 1. But SCL and SDA are controlled by software only when I2C_EN = 0.
BITS
[31:6]
[5]
[4]
[3]
[2]
[1]
[0]
Reserved
Reserved
SDR
SCR
Reserved
SDW
SCW
DESCRIPTIONS
Reserved
Reserved
Serial Interface SDA Status (Read only)
0 = SDA is Low.
1 = SDA is High.
Serial Interface SCK Status (Read only)
0 = SCL is Low.
1 = SCL is High.
Reserved
Serial Interface SDA Output Control
0 = SDA pin is driven Low.
1 = SDA pin is tri-state.
Serial Interface SCK Output Control
0 = SCL pin is driven Low.
1 = SCL pin is tri-state.
I2C Data Receive Register 0/1 (I2C_RxR 0/1)
REGISTER
I2C_RXR0
I2C_RXR1
OFFSET R/W
DESCRIPTION
0xFFF8_6010 R I2C Data Receive Register 0
0xFFF8_6110 R I2C Data Receive Register 1
RESET VALUE
0x0000_0000
0x0000_0000
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