|
表1 PIC和EMC单片机硬件资源对照表
|
Devicc
|
EM78P152
EM78P153 |
PIC12C508
PIC12C509
|
EM78P156 |
PIC16C54
PIC16C56
|
EM78P447A
EM78P447B
|
PIC16C57
|
|
Pins |
8/14
|
8
|
18
|
18
|
28/32
|
28
|
|
Process
|
CMOS
|
CMOS
|
CMOS
|
CMOS
|
CMOS
|
CMOS
|
|
Architecture
|
RISC
|
RISC
|
RISC
|
RISC
|
RISC
|
RISC
|
|
Mask Version
|
Yes
|
N/A
|
Yes
|
N/A
|
Yes
|
N/A
|
|
Working Voltage
|
2.5~5.5
|
2.5~5.5
|
2.5~5.5
|
2.5~6.25
|
2.3~5.5
|
2.5~6.25
|
|
Program Memory
|
512x13
|
512/1Kx12
|
1Kx13
|
512/1Kx12
|
4Kx13
|
2Kx12
|
|
User Memory RAM
|
32x8
|
25/41x8
|
48x8
|
25x8
|
148x8
|
72x8
|
|
I/O pins
|
6/12
|
5
|
12
|
12
|
20/24
|
20
|
|
Instruction Clock
|
2
|
4
|
2
|
4
|
2
|
4
|
|
Oscillation Mode
|
5
|
4
|
4,(5)
|
4
|
4
|
4
|
|
Instruction Set
|
57
|
33
|
57
|
33
|
57
|
33
|
|
Max.Operating
|
XT
|
16(4 clks)
|
8(4 clks)
|
18(2 clks)36(4clks)
|
20(4 clks)
|
36(4 clks)
|
20(4 clks)
|
|
RC
|
4(4 clks)
|
4(4 clks)
|
4(4 clks)
|
4(4 clks)
|
4(4 clks)
|
8(4 clks)
|
|
Page Size
|
1K
|
512
|
1K
|
512
|
1K
|
512
|
|
Available for CALL
|
1K
|
256
|
1K
|
256
|
1K
|
256
|
|
Option Code
|
13
|
N/A
|
6
|
N/A
|
7(13)
|
N/A
|
|
Iterrupt(In/Ex)
|
3（1/2）
|
N/A
|
3(1/2)
|
N/A
|
3(1/2)
|
N/A
|
|
Pull-High Pins
|
6/8
|
N/A
|
8
|
N/A
|
10
|
N/A
|
|
Pull-Low Pins
|
3/7
|
N/A
|
7
|
N/A
|
0
|
N/A
|
|
Wake-Up Pins
|
6/8
|
N/A
|
8
|
N/A
|
10
|
N/A
|
|
Open-Drain Pins
|
6/8
|
N/A
|
8
|
N/A
|
2
|
N/A
|
|
R-Option Pins
|
0
|
N/A
|
2
|
N/A
|
2
|
N/A
|
|
Stack
|
5
|
2
|
5
|
2
|
5
|
2
|
|
POVD
|
Yes
|
N/A
|
Yes
|
N/A
|
Yes
|
N/A
|
|
Timer Modules
|
8-bitx1
|
8-bitx1
|
8-bitx1
|
8-bitx1
|
8-bitx1
|
8-bitx1
|
|
WDT
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
Yes
|
表2 PIC和EMC指令对照表
|
PIC
|
EMC
|
|
字 节 操 作 指 令
|
|
NOP
|
|
NOP
|
|
|
NOVWF
|
f |
MOV
|
R,A |
|
CLRW
|
|
CLRA
|
|
|
CLRF
|
f |
CLR
|
R |
|
SUBWF
|
f,0 |
SUB
|
A,R |
|
SUBWF
|
f,1 |
SUB
|
R,A |
|
DECF
|
f,0 |
DECA
|
R |
|
DECF
|
f,1 |
DEC
|
R |
|
IORWF
|
f,0 |
OR
|
A,R |
|
IORWF
|
f,1 |
OR
|
R,A |
|
ANDWF
|
f,0 |
AND
|
A,R |
|
ANDWF
|
f,1 |
AND
|
R,A |
|
XORWF
|
f,0 |
XOR
|
A,R |
|
XORWF
|
f,1 |
XOR
|
R,A |
|
ADDWF
|
f,0 |
ADD
|
A,R |
|
ADDWF
|
f,1 |
ADD
|
R,A |
|
MOVF
|
f,0 |
MOV
|
A,R |
|
MOVF
|
f,1 |
MOV
|
R,R |
|
COMF
|
f,0 |
COMA
|
R |
|
COMF
|
f,1 |
COM
|
R |
|
INCF
|
f,0 |
INCA
|
R |
|
INCF
|
f,1 |
INC
|
R |
|
DECFSZ
|
f,0 |
DJZA
|
R |
|
DECFSZ
|
f,1 |
DJZ
|
R |
|
RRF
|
f,0 |
RRCA
|
R |
|
RRF
|
f,1 |
RRC
|
R |
|
RLF
|
f,0 |
RLCA
|
R |
|
RLF
|
f,1 |
RLC
|
R |
|
SWAPF
|
f,0 |
SWAPA
|
R |
|
SWAPF
|
f,1 |
SWAP
|
R |
|
INCFSZ
|
f,0 |
JZA
|
R |
|
INCFSZ
|
f,1 |
JA
|
R |
|
位 操 作 指 令
|
|
BCF
|
f,b |
BC
|
R,b |
|
BSF
|
f,b |
BS
|
R,b |
|
BTFSC
|
f,b |
JBC
|
R,b |
|
BTFSS
|
f,b |
JBS
|
R,B |
|
控 制 指 令
|
|
OPTION
|
|
CONTW
|
|
|
SLEED
|
|
SLEP
|
|
|
CLRWDF
|
|
WDTC
|
|
|
TRIS
|
f |
IOW
|
R |
|
RETLW
|
k |
RETL
|
K |
|
CALL
|
k |
CALL
|
K |
|
GOTO
|
k |
JMP
|
K |
|
MOVLW
|
k |
MOV
|
A,K |
|
IORLW
|
k |
OR
|
A,K |
|
ANDLW
|
k |
AND
|
A,K |
|
XORLW
|
k |
XOR
|
A,K |
|
其它
|
| |
DAA
|
|
| |
ENI
|
|
| |
DISI
|
|
| |
RET
|
|
| |
RETI
|
|
| |
CONTR
|
|
| |
IOR
|
R |
| |
SUB
|
A,K |
| |
INT
|
|
| |
ADD
|
A,K |
|
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