STM32W108CBU63TR STMicroelectronics, STM32W108CBU63TR Datasheet - Page 183

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STM32W108CBU63TR

Manufacturer Part Number
STM32W108CBU63TR
Description
16/32-BITS MICROS
Manufacturer
STMicroelectronics
Series
STM32r
Datasheet

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

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STM32W108CB, STM32W108HB
13.1
Note:
STM32W108 JTAG TAP connection
The STM32W108 MCU integrates two serially-connected JTAG TAPs in the following order;
the TMC TAP dedicated for Test (IR is 4-bit wide) and the Cortex™-M3 TAP (IR is 4-bit
wide).
To access the TAP of the Cortex-M3 for debug purposes:
1.
2.
3.
Important: Once Serial-Wire is selected using the dedicated ARM JTAG sequence, the
TMC TAP is automatically disabled (JTMS forced high).
First, it is necessary to shift the BYPASS instruction of the TMC TAP.
Then, for each IR shift, the scan chain contains 8 bits (= 4 + 4) and the unused TAP
instruction must be shifted in using the BYPASS instruction.
For each data shift, the unused TAP, which is in BYPASS mode, adds 1 extra data bit in
the data scan chain.
Doc ID 16252 Rev 8
Debug support
183/209

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