ST20CX 查看數據表（PDF） - STMicroelectronics

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ST20CX

Instruction Set Reference Manual

STMicroelectronics 

clockenb

clockenb

clock enable

Code: 64 FF

Description: Starts or restarts the clocks specified in bits 0 and 1 of Areg, where bit

0 indicates the high priority clock and bit 1 indicates the low priority clock. The original

values of these two clock enable bits are returned in Areg.

Definition:

Areg′1..0

← ClockEnables

Areg′31..2

←0

ClockEnables′ ← ClockEnables ∨ Areg

Error signals: none

Comments:

Secondary instruction.

See also: clockdis

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