參數資料
型號: PIC16C505-20/P
元件分類: 微控制器/微處理器
英文描述: 8-BIT, OTPROM, 20 MHz, RISC MICROCONTROLLER, PDIP14
封裝: 0.300 INCH, PLASTIC, DIP-14
文件頁數: 38/85頁
文件大?。?/td> 1205K
代理商: PIC16C505-20/P
1999 Microchip Technology Inc.
DS40192C-page 43
PIC16C505
CALL
Subroutine Call
Syntax:
[
label ] CALL k
Operands:
0
≤ k ≤ 255
Operation:
(PC) + 1
→ Top of Stack;
k
→ PC<7:0>;
(STATUS<6:5>)
→ PC<10:9>;
0
→ PC<8>
Status Affected:
None
Encoding:
1001
kkkk
Description:
Subroutine call. First, return
address (PC+1) is pushed onto the
stack. The eight bit immediate
address is loaded into PC bits
<7:0>. The upper bits PC<10:9>
are loaded from STATUS<6:5>,
PC<8> is cleared. CALL is a two
cycle instruction.
Words:
1
Cycles:
2
Example:
HERE
CALL
THERE
Before Instruction
PC =
address (HERE)
After Instruction
PC =
address (THERE)
TOS =
address (HERE + 1)
CLRF
Clear f
Syntax:
[
label ] CLRF
f
Operands:
0
≤ f ≤ 31
Operation:
00h
→ (f);
1
→ Z
Status Affected:
Z
Encoding:
0000
011f
ffff
Description:
The contents of register ’f’ are
cleared and the Z bit is set.
Words:
1
Cycles:
1
Example:
CLRF
FLAG_REG
Before Instruction
FLAG_REG
=
0x5A
After Instruction
FLAG_REG
=
0x00
Z=
1
CLRW
Clear W
Syntax:
[
label ] CLRW
Operands:
None
Operation:
00h
→ (W);
1
→ Z
Status Affected:
Z
Encoding:
0000
0100
0000
Description:
The W register is cleared. Zero bit
(Z) is set.
Words:
1
Cycles:
1
Example:
CLRW
Before Instruction
W
=
0x5A
After Instruction
W
=
0x00
Z=
1
CLRWDT
Clear Watchdog Timer
Syntax:
[
label ] CLRWDT
Operands:
None
Operation:
00h
→ WDT;
0
→ WDT prescaler (if assigned);
1
→ TO;
1
→ PD
Status Affected:
TO, PD
Encoding:
0000
0100
Description:
The CLRWDT instruction resets the
WDT. It also resets the prescaler, if
the prescaler is assigned to the
WDT and not Timer0. Status bits
TO and PD are set.
Words:
1
Cycles:
1
Example:
CLRWDT
Before Instruction
WDT counter =
?
After Instruction
WDT counter =
0x00
WDT prescale =
0
TO
=1
PD
=1
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PIC16C505T-04E/SL 功能描述:8位微控制器 -MCU 1.5KB 72 RAM 12 I/O 4MHz Ext Temp SOIC14 RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數據總線寬度:8 bit 最大時鐘頻率:50 MHz 程序存儲器大小:16 KB 數據 RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風格:SMD/SMT
PIC16C505T-04I/SL 功能描述:8位微控制器 -MCU 1.5KB 72 RAM 12 I/O 4MHz Ind Temp SOIC14 RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數據總線寬度:8 bit 最大時鐘頻率:50 MHz 程序存儲器大小:16 KB 數據 RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風格:SMD/SMT
PIC16C505T-20/SL 功能描述:8位微控制器 -MCU 1.5KB 72 RAM 12 I/O 20MHz SOIC14 RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數據總線寬度:8 bit 最大時鐘頻率:50 MHz 程序存儲器大小:16 KB 數據 RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風格:SMD/SMT
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