w78e54 Winbond Electronics Corp America, w78e54 Datasheet - Page 6
w78e54
Manufacturer Part Number
w78e54
Description
8-bit Microcontroller
Manufacturer
Winbond Electronics Corp America
Datasheet
1.W78E54.pdf
(23 pages)
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Manufacturer:
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Part Number:
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Manufacturer:
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P1.0
P1.7
P3.0
P3.7
P4.3
P4.0
~
~
~
INT2
INT3
Port
1
Port
Port
3
4
Interrupt
UART
Port 3
Port 4
Port 1
Timer
Timer
Timer
Latch
Latch
Latch
2
0
1
XTAL1
Oscillator
XTAL2
PSW
Bus & Clock
Instruction
Sequencer
Controller
Decoder
ALE
ACC
&
T1
PSEN
ALU
Reset Block
SFR RAM
RAM & SFR
- 6 -
Address
256 bytes
RST
T2
B
Pointer
Stack
Power control
Vcc
Vss
Temp Reg.
Incrementor
Addr. Reg.
DPTR
PC
Port 0
Latch
Port 2
Latch
Port
Port
2
0
W78E54
P0.0
P0.7
P2.0
P2.7
~
~
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