STM32W108CBU6 STMICROELECTRONICS [STMicroelectronics], STM32W108CBU6 Datasheet - Page 69

• Manufacturer Part Number: STM32W108CBU6
• Description: High-performance, IEEE 802.15.4 wireless system-on-chip
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

STM32W108CB, STM32W108HB
7.5
7.5.1
7.5.2
31
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15
rw
31
rw
15
rw
30
rw
14
rw
30
rw
14
rw
Two wire (TWI) serial interfaces
TWI status register (SCx_TWISTAT)
Address offset: 0xC844 (SC1_TWISTAT) and 0xC044 (SC2_TWISTAT)
Reset value:
TWI control 1 register (SCx_TWICTRL1)
Address offset: 0xC84C (SC1_TWICTRL1) and 0xC04C (SC2_TWICTRL1)
Reset value:
29
rw
13
rw
29
rw
13
rw
[3] SC_TWICMDFIN: This bit is set when a START or STOP command completes. It clears on the
[2] SC_TWIRXFIN: This bit is set when a byte is received. It clears on the next TWI bus activity.
[1] SC_TWITXFIN: This bit is set when a byte is transmitted. It clears on the next TWI bus activity.
[0] SC_TWIRXNAK: This bit is set when a NACK is received from the slave. It clears on the next
[3] SC_TWISTOP: Setting this bit sends the STOP command. It clears when the
[2] SC_TWISTART: Setting this bit sends the START or repeated START command. It
[1] SC_TWISEND: Setting this bit transmits a byte. It clears when the command
[0] SC_TWIRECV: Setting this bit receives a byte. It clears when the command
next TWI bus activity.
TWI bus activity.
command completes.
clears when the command completes.
completes.
completes.
28
12
28
12
rw
rw
rw
rw
27
11
27
11
rw
rw
rw
rw
0x0000 0000
0x0000 0000
26
10
26
10
rw
rw
rw
rw
25
25
rw
rw
rw
rw
9
9
Doc ID 16252 Rev 2
24
24
rw
rw
rw
rw
8
8
23
rw
rw
23
rw
rw
7
7
22
22
rw
rw
rw
rw
6
6
21
rw
rw
21
rw
rw
5
5
20
rw
rw
20
rw
rw
4
4
WISTO
WICM
SC_T
SC_T
DFIN
19
rw
19
rw
rw
3
3
P
r
WIRXF
WISTA
SC_T
SC_T
Serial interfaces
RT
18
18
rw
IN
rw
rw
2
2
r
WISEN
WITXF
SC_T
SC_T
17
17
rw
IN
rw
rw
D
1
1
r
69/179
WIRXN
WIREC
SC_T
SC_T
AK
16
rw
16
rw
rw
0
0
V
r