IC89E54 Datasheet, PDF (4/36 Pages) Integrated Circuit Solution Inc – 8-BITS SINGLE MICROCONTROLLER with 16/32/64-Kbytes of FLASH, 256 byte +512 byte RAM

IC89E54/58/64
VCC
VSS
P2[7:0]
P0[7:0]
16K/32K/64K
MAIN CODE
FLASH
SFR
BLOCK
256
BYTE
RAM
512
BYTE
AUX
RAM
80C32 CPU CORE
CLOCK
&
TIMING
INT 2
INT 3
ALE
PSEN
RST
EA
XTAL2
XTAL1
PORT 4
P4[3:0]
PORT 1
TIMER 2
UART
INT0
INT1
TIMER 0 TIMER 1
PORT 3
P1[7:0]
P3[7:0]
Figure 4. IC89E54/58/64 Block Diagram
4
Integrated C ircuitSolution Inc.
MC012-0C 11/16/2001