參數(shù)資料
型號(hào): HT47C20L
廠商: Holtek Semiconductor Inc.
元件分類: 數(shù)學(xué)處理器
英文描述: 8-BIT MICROCONTROLLER
中文描述: 8位微控制器
文件頁數(shù): 40/55頁
文件大小: 341K
代理商: HT47C20L
CALL addr
Subroutine call
Description
The instruction unconditionally calls a subroutine located at the indi-
cated address. The program counter increments once to obtain the ad-
dress of the next instruction, and pushes this onto the stack. The
indicated address is then loaded. Program execution continues with the
instruction at this address.
Operation
Stack
PC
PC+1
addr
Affected flag(s)
TC2
TC1
TO
PD
OV
Z
AC
C
CLR [m]
Clear data memory
Description
The contents of the specified data memory are cleared to zero.
Operation
[m]
00H
Affected flag(s)
TC2
TC1
TO
PD
OV
Z
AC
C
CLR [m].i
Clear bit of data memory
Description
The bit i of the specified data memory is cleared to zero.
Operation
[m].i
0
Affected flag(s)
TC2
TC1
TO
PD
OV
Z
AC
C
CLR WDT
Clear watchdog timer
Description
The WDT is cleared. The power down bit (PD) and time-out bit (TO) are
cleared.
Operation
WDT last two bits
PD and TO
00H
0
Affected flag(s)
TC2
TC1
TO
PD
OV
Z
AC
C
0
0
HT47C20L
40
January 18, 2000
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