STM32W108CBU61TR STMicroelectronics, STM32W108CBU61TR Datasheet - Page 20

• Manufacturer Part Number: STM32W108CBU61TR
• Description: 16/32-BITS MICROS
• Manufacturer: STMicroelectronics
• Series: STM32r

Specifications of STM32W108CBU61TR

• 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

Pinout and pin description
Table 2.
20/209
Package
Pin no.
48-Pin
24
25
Package
Pin no.
40-Pin
Pin descriptions (continued)
20
21
PA2
TIM2_CH4
(see also
Pin 20)
SC2SCL
SC2SCLK
PA3
SC2nSSEL
TRACECLK
(see also Pin
36)
TIM2_CH2
(see also Pin
31)
Signal
Direction
I/O
I/O
I/O
O
O
O
O
I
I
I
I
Doc ID 16252 Rev 8
Digital I/O
Timer 2 channel 4 output
Disable remap with TIM2_OR[7]
Enable timer output in TIM2_CCER
Select alternate output function with GPIO_PACFGL[11:8]
Timer 2 channel 4 input. Disable remap with TIM2_OR[7].
I
Either disable timer output in TIM2_CCER or enable remap
with TIM2_OR[7]
Select I
Select alternate open-drain output function with
GPIO_PACFGL[11:8]
SPI master clock of Serial Controller 2
Either disable timer output in TIM2_CCER or enable remap
with TIM2_OR[7]
Enable master with SC2_SPICFG[4]
Select SPI with SC2_MODE
Select alternate output function with GPIO_PACFGL[11:8]
SPI slave clock of Serial Controller 2
Enable slave with SC2_SPICFG[4]
Select SPI with SC2_MODE
Digital I/O
SPI slave select of Serial Controller 2
Enable slave with SC2_SPICFG[4]
Select SPI with SC2_MODE
Synchronous CPU trace clock
Either disable timer output in TIM2_CCER or enable remap
with TIM2_OR[5]
Enable trace interface in ARM core
Select alternate output function with GPIO_PACFGL[15:12]
Timer 2 channel 2 output
Disable remap with TIM2_OR[5]
Enable timer output in TIM2_CCER
Select alternate output function with GPIO_PACFGL[15:12]
Timer 2 channel 2 input. Disable remap with TIM2_OR[5].
2
C clock of Serial Controller 2
2
C with SC2_MODE
STM32W108CB, STM32W108HB
Description