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STR720 数据表(PDF) 356 Page - STMicroelectronics

部件名 STR720
功能描述  ARM720T 16/32-BIT MCU WITH 16K RAM, USB, CAN, 3 TIMERS, ADC, 6 COMMUNICATIONS INTERFACES
PDF  401 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

STR720 数据表(HTML) 356 Page - STMicroelectronics

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STR720 - MISCELLANEA REGISTERS (GCR - CGC - AHB_ERR)
356/401
CGC Emulation register 1 (CGC-EMU1)
Address: 0xF000_2C08
Reset value: 0x0FFF
This register configures the status of clock gating for each of the controlled AHB/S-APB
peripherals 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 15:12, 9:8, 4 = Reserved. These bits must be always written to 0.
Bits 11:10, 7:5, 3:0 = PxEM: Peripheral x clock during EMulation
0: Peripheral x clock is gated off at a debug request, regardless from the state of the
corresponding PxCO bit.
1: Peripheral x clock gating status is unaffected by debug requests, and it is always
determined by its corresponding PxCO bit.
The following table lists the correspondence between each controllable peripheral and the
CGC-EMU1 register bits along with their reset value.
15
14
13
12
11
10
9
8
765432
1
0
Reserved
P11EM P10EM
Reserved
P7EM
P6EM
P5EM
Res.
P3EM
P2EM
P1EM
P0EM
-
rw
rw
-
rw
rw
rw
-
rw
rw
rw
rw
Table 76. CGC-EMU1 bit assignment
CGC-EMU 1
Bit
Affected
peripheral
Reset
status
P0EM
EMI
Not affected by debug requests.
P1EM
DRAMC
Not affected by debug requests.
P2EM
DMAC
Not affected by debug requests.
P3EM
ATAPI
Not affected by debug requests.
P5EM
EIC
Not affected by debug requests.
P6EM
GPIO-P3
Not affected by debug requests.
P7EM
GPIO-P4
Not affected by debug requests.
P10EM
WIU
Not affected by debug requests.
P11EM
RTC
Not affected by debug requests.



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