參數(shù)資料
型號: PIC18F87K90T-I/PT
廠商: Microchip Technology
文件頁數(shù): 41/110頁
文件大?。?/td> 0K
描述: IC MCU 8BIT 128KB FLASH 80TQFP
標準包裝: 1,200
系列: PIC® XLP™ 18F
核心處理器: PIC
芯體尺寸: 8-位
速度: 64MHz
連通性: I²C,LIN,SPI,UART/USART
外圍設(shè)備: 欠壓檢測/復位,LCD,POR,PWM,WDT
輸入/輸出數(shù): 69
程序存儲器容量: 128KB(64K x 16)
程序存儲器類型: 閃存
EEPROM 大?。?/td> 1K x 8
RAM 容量: 4K x 8
電壓 - 電源 (Vcc/Vdd): 1.8 V ~ 5.5 V
數(shù)據(jù)轉(zhuǎn)換器: A/D 24x12b
振蕩器型: 內(nèi)部
工作溫度: -40°C ~ 85°C
封裝/外殼: 80-TQFP
包裝: 帶卷 (TR)
PIC18F47J53 FAMILY
DS39964B-page 488
Preliminary
2010 Microchip Technology Inc.
POP
Pop Top of Return Stack
Syntax:
POP
Operands:
None
Operation:
(TOS)
bit bucket
Status Affected:
None
Encoding:
0000
0110
Description:
The TOS value is pulled off the return
stack and is discarded. The TOS value
then becomes the previous value that
was pushed onto the return stack.
This instruction is provided to enable
the user to properly manage the return
stack to incorporate a software stack.
Words:
1
Cycles:
1
Q Cycle Activity:
Q1
Q2
Q3
Q4
Decode
No
operation
POP TOS
value
No
operation
Example:
POP
GOTO
NEW
Before Instruction
TOS
=
0031A2h
Stack (1 level down)
=
014332h
After Instruction
TOS
=
014332h
PC
=
NEW
PUSH
Push Top of Return Stack
Syntax:
PUSH
Operands:
None
Operation:
(PC + 2)
TOS
Status Affected:
None
Encoding:
0000
0101
Description:
The PC + 2 is pushed onto the top of
the return stack. The previous TOS
value is pushed down on the stack.
This instruction allows implementing a
software stack by modifying TOS and
then pushing it onto the return stack.
Words:
1
Cycles:
1
Q Cycle Activity:
Q1
Q2
Q3
Q4
Decode
PUSH
PC + 2 onto
return stack
No
operation
No
operation
Example:
PUSH
Before Instruction
TOS
=
345Ah
PC
=
0124h
After Instruction
PC
=
0126h
TOS
=
0126h
Stack (1 level down)
=
345Ah
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