W78E054D Datasheet, PDF (11/89 Pages) List of Unclassifed Manufacturers – 8-bit microcontroller

W78E054D/W78E052D Data Sheet
6 BLOCK DIAGRAM
P1.0
|
Port 1
P1.7
Port 1
Latch
Interrupt
Timer
1
Timer
0
Timer
2
UART
ACC
B
T1 Register
T2 Register
PSW
Stack
ALU
Pointer
Instruction
Decoder
&
Sequencer
SFR & RAM
Address
256 bytes
RAM & SFR
Port 0
Latch
P0.0
Port 0
|
P0.7
DPTR
Timer Reg.
PC
Incrementor
Addr. Reg.
Flash EPROM
P3.0
|
P3.7
P4.0
|
P4.3
Port 3
Port 3
Latch
Port 4
Oscillator
Port 4
Latch
Oscillator
Selecter
Bus & Lock
Controller
Watchdog
Timer
Reset Block
Port 2
Latch
P2.0
Port 2
|
P2.7
Power Control
VCC GND
XTAL1 XTAL2
ALE /PSEN
RST
Figure 6–1 W78E054D/W78E052D Block Diagram
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Publication Release Date: Jun 9, 2015
Revision A13