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STR720 Datasheet(PDF) 357 Page - STMicroelectronics

No. de pieza STR720
Descripción Electrónicos  ARM720T 16/32-BIT MCU WITH 16K RAM, USB, CAN, 3 TIMERS, ADC, 6 COMMUNICATIONS INTERFACES
PDF  401 Pages
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Fabricante Electrónico  STMICROELECTRONICS [STMicroelectronics]
Página de inicio  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STR720 Datasheet(HTML) 357 Page - STMicroelectronics

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STR720 - MISCELLANEA REGISTERS (GCR - CGC - AHB_ERR)
357/401
CGC Peripheral Clock Gating register 2 (CGC-PCG2)
Address: 0xF000_2C0C
Reset value: 0x0000
This register configures clock gating for each specific clock signal used by some blocks
requiring dedicated clocks for their operations. Each dedicated clock signal is delivered to the
related peripheral only when its corresponding gating bit is cleared.
Bits 15:3 = Reserved. These bits must be always written to 0.
Bits 2:1 = DxCO: Dedicated peripheral x Clock Off
0: Peripheral x dedicated clock is gated off and the block kernel is not clocked.
1: Peripheral x dedicated clock is delivered.
Bit 0 = Reserved. This bit must be always written to 0.
The following table lists the correspondence between each dedicated peripheral clock and the
CGC-PCG2 register bits along with their reset value.
15
14
13
12
11
10
9
8
765432
1
0
Reserved
D2CO
D1CO
Res.
-rw
rw
-
Table 77. CGC-PCG2 bit assignment
CGC-PCG2
Bit
Affected
peripheral
Reset
status
D1CO
ATAPI-Kernel
Off
D2CO
USB-Kernel
Off



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