W78E365 Datasheet, PDF (5/40 Pages) Winbond – 8-BIT MICROCONTROLLER

5. BLOCK DIAGRAM
W78E365
P1.0
P1.7
P3.0
P3.7
P4.0
P4.3
Port
1
Port
3
Port
4
Port 1
Latch
Interrupt
Timer
2
Timer
0
Timer
1
UART
Port 3
Latch
Port 4
Latch
ACC
T1
B
T2
PSW
Stack
ALU
Pointer
Instruction
Decoder
&
Sequencer
Bus & Clock
Controller
SFR RAM
Address
256+1K bytes
RAM & SFR
Port 0
Latch
DPTR
Temp Reg.
PC
Incrementor
Addr. Reg.
64KB
Flash APROM
4KB
Flash LDROM
Port 2
Latch
Oscillator
Reset Block
XTAL1 XTAL2
ALE
PSEN
RST
Power control
VCC
Vss
Port
0
Port
2
P0.0
P0.7
P2.0
P2.7
Publication Release Date: April 20, 2005
-5-
Revision A5