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STR720 데이터시트(PDF) 359 Page - STMicroelectronics

부품명 STR720
상세설명  ARM720T 16/32-BIT MCU WITH 16K RAM, USB, CAN, 3 TIMERS, ADC, 6 COMMUNICATIONS INTERFACES
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제조업체  STMICROELECTRONICS [STMicroelectronics]
홈페이지  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STR720 데이터시트(HTML) 359 Page - STMicroelectronics

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STR720 - MISCELLANEA REGISTERS (GCR - CGC - AHB_ERR)
359/401
CGC Emulation register 2 (CGC-EMU2)
Address: 0xF000_2C14
Reset value: 0x001F
This register configures the status of clock gating for each of the peripheral kernel requiring a
dedicated clock, while the application program execution is stopped due to a debug request.
Each peripheral can be configured to stop working as the user code reaches a breakpoint.
Bits 15:3 = Reserved. These bits must be always written to 0.
Bits 2:1 = DxEM: Dedicated peripheral x clock during EMulation
0: Peripheral x dedicated clock is gated off at a debug request, regardless from the state of
the corresponding DxCO bit.
1: Peripheral x dedicated clock gating status is unaffected by debug requests, and it is always
determined by its corresponding DxCO bit.
Bit 0 = Reserved. This bit must be always written to 0.
The following table lists the correspondence between each controllable peripheral and the
CGC-EMU2 register bits along with their reset value..
15
14
13
12
11
10
9
8
765432
1
0
Reserved
D2EM
D1EM
Res.
-rw
rw
-
Table 79. CGC-EMU2 bit assignment
CGC-EMU2
Bit
Affected
peripheral
Reset
status
D1EM
ATAPI-Kernel
Not affected by debug requests.
D2EM
USB-Kernel
Not affected by debug requests.



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