W541C200 Datasheet, PDF (4/15 Pages) List of Unclassifed Manufacturers – 4BIT MICROCONTROLLER

3. BLOCK DIAGRAM
W541C20X
RAM
(128*4)
ROM
(2048*16)
(look_up table
2K*4)
+1(+2)
PC
STACK
(8 Levels)
ACC
ALU
Central Control
Unit
IEF HEF PEF
HCF EVF SEF
PSR0 PSR1 PSR2
PR MR0 PM0
. ..
PORT RA
PORT RB
PORT RC
PORT RD
PORT RT
Serial I/O
SEL
MUX
RA0 to 3
RB0 to 3
RC0 to 3
RD0 to 3
RE0 to 3
(RE0/DOUT,
RE1/CLKO,
RE2/DIN,
RE3/CLKI)
Timer 0
(8-bit)
Timer 1
(8-bit)
Modulation
Frequency
Pulse
SEL
MUX
Watchdog Timer
(4-bit)
Divider 0
(14-bit)
Timing Generator
MFP
VDD
VSS
INT
RES
XIN XOUT
-4-