STM32W108C8U64TR STMicroelectronics, STM32W108C8U64TR Datasheet - Page 72
STM32W108C8U64TR
Manufacturer Part Number
STM32W108C8U64TR
Description
16/32-BITS MICROS
Manufacturer
STMicroelectronics
Series
STM32r
Datasheet
1.STM32W108C8U63TR.pdf
(207 pages)
Specifications of STM32W108C8U64TR
Applications
RF4CE, Remote Control
Core Processor
ARM® Cortex-M3™
Program Memory Type
FLASH (64 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
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Serial interfaces
9.2
72/207
Figure 8.
Configuration
Before using a serial controller, it should be configured and initialized as follows:
1.
2.
3.
4.
SCx RX DMA
SCx TX DMA
Set up the parameters specific to the operating mode (master/slave for SPI, baud rate
for UART, etc.).
Configure the GPIO pins used by the serial controller as shown in
Table
pins."If using DMA, set up the DMA and buffers. This is described fully in
DMA channel registers on page
If using interrupts, select edge- or level-triggered interrupts with the SCx_INTMODE
register, enable the desired second-level interrupt sources in the INT_SCxCFG
register, and finally enable the top-level SCx interrupt in the NVIC.
Write the serial interface operating mode - SPI, I
register.
channel
channel
SCx Interrupt
SCx_MODE
12.
Serial controller block diagram
Section 8.1.2: Configuration on page 55
SCx_DATA
SCx_DMACTRL
SCx_DMASTAT
Controller
SC1
only
DMA
0
1
2
3
UART
SPI
I
2
C
OFF
Doc ID 018587 Rev 1
SCx_RXCNTSAVED
SCx_RXCNTA/B
97.
SC1_UARTPER/FRAC
RX-FIFO
TX-FIFO
SCx_TX/RXBEGA/B
SCx_TX/RXENDA/B
SCx_RATELIN/EXP
SCx_RXERRA/B
SC1_UARTSTAT
SCx_I2CCTRL1
SCx_I2CCTRL2
SC1_UARTCFG
SCx_I2CSTAT
INT_SCxFLAG
SCx_SPISTAT
INT_SCxCFG
SCx_SPICFG
SCx_TXCNT
2
C, or UART - to the SCx_MODE
shows how to configure GPIO
Clock Generator
Baud Generator
I
SPI Master
2
SPI Slave
Controller
Controller
Controller
Controller
C Master
UART
Table 11
STM32W108C8
Section 9.13:
and
TXD
RXD
nRTS
nCTS
MISO
MOSI
SCLK
nSSEL
SCL
SDA
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