STM32W108CBU63TR STMicroelectronics, STM32W108CBU63TR Datasheet - Page 74

• 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
9.3
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Table 11.
1. used if RTS/CTS hardware flow control is enabled.
Table 12.
SPI master mode
The SPI master controller has the following features:
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The SPI master controller uses the three signals:
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The GPIO pins used for these signals are shown in
needed to drive the nSSEL signals on slave devices.
SPI - Master
SPI - Slave
I
UART
SPI - Master
SPI - Slave
I
2
2
C - Master
C - Master
Interface
Interface
Full duplex operation
Programmable clock frequency (6 MHz max.)
Programmable clock polarity and phase
Selectable data shift direction (either LSB or MSB first)
Receive and transmit FIFOs
Receive and transmit DMA channels
MOSI (Master Out, Slave In) - outputs serial data from the master
MISO (Master In, Slave Out) - inputs serial data from a slave
SCLK (Serial Clock) - outputs the serial clock used by MOSI and MISO
SC1 GPIO usage and configuration
SC2 GPIO usage and configuration
SC1MOSI alternate
output (push-pull)
SC1MISO alternate
output (push-pull)
SC1SDA alternate
output (open-drain)
TXD alternate
output (push-pull)
SC2MOSI
Alternate Output
(push-pull)
SC2MOSI
Alternate Output
(push-pull)
(not used)
PB1
PA0
Doc ID 16252 Rev 8
SC1MISO input
SC1MOSI input
SC1SCL alternate
output (open-drain)
RXD input
SC2MISO Input
SC2MISO Input
SC2SDA Alternate
Output (open-drain)
PB2
PA1
Table
SC1SCLK alternate
output (push-pull);
special SCLK mode
SC1SCLK input
(not used)
nCTS input
SC2SCLK
Alternate Output
(push-pull), special
SCLK mode
SC2SCLK Input
SC2SCL Alternate
Output (open-drain)
STM32W108CB, STM32W108HB
13. Additional outputs may be
PB3
PA2
(1)
(not used)
SC1nSSEL input
(not used)
nRTS alternate
output (push-pull)
(1)
(not used)
SC2nSSEL Input
(not used)
PB4
PA3