STM32W108C8 STMicroelectronics, STM32W108C8 Datasheet - Page 3

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STM32W108C8

Manufacturer Part Number
STM32W108C8
Description
High-performance, IEEE 802.15.4 wireless system-on-chip with 64-Kybte Flash memory
Manufacturer
STMicroelectronics
Datasheet

Specifications of STM32W108C8

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 and breakpoint; data watchpoint and 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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STM32W108C8
6.3
6.4
6.5
6.2.2
6.2.3
6.2.4
Clocks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
6.3.1
6.3.2
6.3.3
6.3.4
6.3.5
6.3.6
System timers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
6.4.1
6.4.2
6.4.3
6.4.4
Power management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
6.5.1
6.5.2
Software reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .34
Option byte error. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .34
Debug reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .34
JTAG reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .34
Deep sleep reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .35
Reset recording . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Reset generation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Reset register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Reset event source register (RESET_EVENT) . . . . . . . . . . . . . . . . . . . . . . . . . .36
High-frequency internal RC oscillator (OSCHF) . . . . . . . . . . . . . . . . . . 38
High-frequency crystal oscillator (OSC24M) . . . . . . . . . . . . . . . . . . . . . 39
Low-frequency internal RC oscillator (OSCRC) . . . . . . . . . . . . . . . . . . . 39
Low-frequency crystal oscillator (OSC32K) . . . . . . . . . . . . . . . . . . . . . . 39
Clock switching . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Clock switching registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
XTAL or OSCHF main clock select register (OSC24M_CTRL) . . . . . . . . . . . . . .40
CPU clock source select register (CPU_CLK_SEL) . . . . . . . . . . . . . . . . . . . . . . .40
Watchdog timer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Sleep timer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Event timer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Slow timers (Watchdog and Sleeptimer) control and status registers . . 42
Watchdog general control register (WDOG_CFG) . . . . . . . . . . . . . . . . . . . . . . . .42
Watchdog control register (WDOG_CTRL) . . . . . . . . . . . . . . . . . . . . . . . . . . . . .42
Watchdog restart register (WDOG_RESTART) . . . . . . . . . . . . . . . . . . . . . . . . . .43
Sleep timer configuration register (SLEEPTMR_CFG). . . . . . . . . . . . . . . . . . . . .43
Sleep timer count high register (SLEEPTMR_CNTH) . . . . . . . . . . . . . . . . . . . . .43
Sleep timer count low register (SLEEPTMR_CNTL) . . . . . . . . . . . . . . . . . . . . . .44
Sleep timer compare A high register (SLEEPTMR_CMPAH). . . . . . . . . . . . . . . .44
Sleep timer compare A low register (SLEEPTMR_CMPAL). . . . . . . . . . . . . . . . .45
Sleep timer compare B high register (SLEEPTMR_CMPBH). . . . . . . . . . . . . . . .45
Sleep timer compare B low register (SLEEPTMR_CMPBL). . . . . . . . . . . . . . . . .46
Sleep timer interrupt source register (INT_SLEEPTMRFLAG). . . . . . . . . . . . . . .46
Sleep timer interrupt mask register (INT_SLEEPTMRCFG). . . . . . . . . . . . . . . . .47
Sleep timer clock source enables (SLEEPTMR_CLKEN) . . . . . . . . . . . . . . . . . .47
Wake sources . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
Basic sleep modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
Doc ID 018587 Rev 2
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