HT83C51DB ETC, HT83C51DB Datasheet - Page 2
HT83C51DB
Manufacturer Part Number
HT83C51DB
Description
HIGH TEMPERATURE 83C51 MICROCONTROLLER
Manufacturer
ETC
Datasheet
1.HT83C51DB.pdf
(12 pages)
- Current page: 2 of 12
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HT83C51
FUNCTIONAL BLOCK DIAGRAM
PSENn
RST
ALE
EAn
XTAL1
Register
Register
Osc.
B
B
XTAL2
ACC
TMP2
PSW
RAM
ALU
P1.0 - P1.7
TMP3
Drivers
Port 1
Port 1
Latch
TMP1
P0.0 - P0.7
Port O
Drivers
Latch
Port O
2
Special Function
Serial Port
Registers,
Timers,
PCA,
Port 2
Pointer
Latch
Stack
P2.0 - P2.7
Drivers
Port 2
Program
P3.0 - P3.7
ROM
Drivers
Port 3
Latch
Port 3
Incrementer
Program
Counter
Program
Address
Register
PC
DPTR
Buffer
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