STM32W108CBU63TR STMicroelectronics, STM32W108CBU63TR Datasheet - Page 82

• Manufacturer Part Number: STM32W108CBU63TR
• Description: 16/32-BITS MICROS
• Manufacturer: STMicroelectronics
• Series: STM32r

Specifications of STM32W108CBU63TR

• Applications: RF4CE, Remote Control
• Core Processor: ARM® Cortex-M3™
• Program Memory Type: FLASH (128 kB)
• Controller Series: STM32W
• Ram Size: 8K x 8
• Interface: I²C, SPI, UART/USART
• Number Of I /o: 24
• Voltage - Supply: 1.18 V ~ 3.6 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 48-VFQFN Exposed Pad
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

Serial interfaces
Table 19.
1. The notation xxx means that the corresponding column header below is inserted to form the field name.
82/209
START SEND RECV STOP
1
0
0
0
0
1
1
-
-
SCx_TWICTRL1
SC_TWIxxxx
0
1
0
0
0
1
1
-
-
I
Full I
necessary segment transitions are shown in
2
C master frame segments
2
C frames have to be constructed by software from individual I
0
0
1
0
0
1
1
-
-
(1)
0
0
0
1
0
1
1
-
-
No pending frame segment
Illegal
SDA
SDA
SDA
SDA
SDA
SDA
TWI start segment
SCL
SCL
SCL
SCL
SCL
TWI stop segment - after frame with NACK or stop
SCL
outSLAVE
SDA
outSLAVE
outSLAVE
SDA
outSLAVE
outSLAVE
SDA
outSLAVE
outSLAVE
SDA
outSLAVE
outSLAVE
SDA
outSLAVE
SCL
SCL
SCL
SCL
outSLAVE
SDA
outSLAVE
SCL
SCL
out
out
out
out
out
out
out
out
out
out
out
out
Doc ID 16252 Rev 8
TX[7]
TX[7]
RX[7]
RX[7]
TX[6]
TX[6]
RX[6]
RX[6]
TWI transmit segment – after transmit with ACK
TWI receive segment - after receive with ACK
TWI transmit segment - after (re-)start frame
TWI receive segment – transmit with ACK
RX[5]
RX[5]
Figure
TX[5]
TX[5]
Frame segments
TWI re-start segment - after transmit or frame with NACK
SDA
SCL
TX[4]
TX[4]
RX[4 ]
RX[4 ]
10. ACK or NACK generation of an I
outSLAVE
SDA
outSLAVE
SCL
out
out
TX[3]
TX[3]
RX[3]
RX[3]
STM32W108CB, STM32W108HB
RX[2]
RX[2]
TX[2 ]
TX[2 ]
2
C segments. All
RX[1]
RX[1]
TX[1]
TX[1]
TX[0]
TX[0]
RX[0]
RX[0]
(N)ACK
(N)ACK
(N)ACK
(N)ACK
2
C