TS87C52X2 ATMEL Corporation, TS87C52X2 Datasheet - Page 2

• Manufacturer Part Number: TS87C52X2
• Description: 8-bit Microcontroller 8 Kbytes Otp
• Manufacturer: ATMEL Corporation

Block Diagram
2
TS8xCx2X2
Table 1. Memory Size
Notes:
ALE/
TS80C32X2
TS80C52X2
TS87C52X2
EA/VPP
XTAL1
XTAL2
1. Alternate function of Port 1
2. Alternate function of Port 3
PSEN
PROG
WR
RD
(2)
(2)
CPU
ROM (bytes)
(2) (2)
(3)
Timer 0
Timer 1
EUART
(3)
8k
0
0
CORE
C51
(2) (2)
256x8
RAM
Ctrl
INT
IB-bus
Parallel I/O Ports & Ext. Bus
Port 0Port 1 Port 2 Port 3
/EPROM
EPROM (bytes)
8Kx8
ROM
8k
0
0
(1)
Timer2
(1)
TOTAL RAM (bytes)
4184E–8051–09/02
256
256
256