STM32W108CZ STMicroelectronics, STM32W108CZ Datasheet - Page 77
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STM32W108CZ
Manufacturer Part Number
STM32W108CZ
Description
High-performance, IEEE 802.15.4 wireless system-on-chip with embedded Flash memory
Manufacturer
STMicroelectronics
Datasheet
1.STM32W108CC.pdf
(232 pages)
Specifications of STM32W108CZ
Receive Current (w/ Cpu)
27 mA
Transmit Current (w/ Cpu, +3 Dbm Tx)
31 mA
Low Deep Sleep Current, With Retained Ram And Gpio
400 nA/800 nA with/without sleep timer
Standard Arm Debug Capabilities
Flash patch & breakpoint; data watchpoint & trace; instrumentation trace macrocell
Single Voltage Operation
2.1-3.6 V with internal 1.8 V and 1.25 V regulators
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STM32W108HB STM32W108CC STM32W108CB STM32W108CZ
9.2
Figure 10. Serial controller block diagram
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
41.
Section 8.1.2: Configuration on page 59
SCx_DATA
SCx_DMACTRL
SCx_DMASTAT
Controller
SC1
only
DMA
0
1
2
3
UART
SPI
I
2
C
OFF
Doc ID 16252 Rev 13
SCx_RXCNTSAVED
SCx_RXCNTA/B
105.
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 40
Serial interfaces
Section 9.13:
and
TXD
RXD
nRTS
nCTS
MISO
MOSI
SCLK
nSSEL
SCL
SDA
77/232
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