TS80C51RA2-ECAB 查看數據表（PDF） - Atmel Corporation
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TS80C51RA2-ECAB Datasheet PDF : 74 Pages
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TS80C51RA2/RD2
TS83C51RB2/RC2/RD2
TS87C51RB2/RC2/RD2
PDIL40
PLCC44
ROM (bytes)
EPROM (bytes) XRAM (bytes)
TOTAL RAM
(bytes)
I/O
VQFP44 1.4
TS80C51RA2
0
TS80C51RD2
0
0
256
512
32
0
768
1024
32
TS83C51RB2
16k
0
256
512
32
TS83C51RC2
32k
0
256
512
32
TS83C51RD2
64k
0
768
1024
32
TS87C51RB2
0
TS87C51RC2
0
TS87C51RD2
0
16k
256
512
32
32k
256
512
32
64k
768
1024
32
PLCC68
VQFP64 1.4
ROM (bytes)
EPROM (bytes) XRAM (bytes)
TOTAL RAM
(bytes)
I/O
TS80C51RD2
0
0
768
1024
48
TS83C51RD2
64k
0
768
1024
48
TS87C51RD2
0
64k
768
1024
48
3. Block Diagram
XTAL1
XTAL2
ALE/ PROG
PSEN
EA/VPP
RD (3)
WR (3)
(3) (3)
(1) (1) (1) (1)
EUART
RAM
256x8
ROM
/EPROM
XRAM
0/16/32/64Kx8 256/768x8
PCA
Timer2
CPU
C51
CORE
IB-bus
Timer 0 INT
Timer 1 Ctrl
(3) (3) (3) (3)
Parallel I/O Ports & Ext. Bus
Port
0
Port
1
Port
2
Port
3
Port
(2)
4
Port 5
(2)
Watch
Dog
(1): Alternate function of Port 1
(2): Only available on high pin count packages
(3): Alternate function of Port 3
2
Rev. C - 06 March, 2001
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