W541C240 Datasheet, PDF (5/10 Pages) Winbond – 4-BIT MICROCONTROLLER

W541C240
4. BLOCK DIAGRAM
SEG0 to SEG23 COM0 to COM3 _{VDD1-3 DH1-2}
RAM
(64*4)
ROM
(2048*16)
(look_up table
2K*4)
+1(+2)
PC
STACK
(8 Levels)
LCD DRIVER
ACC
ALU
Central Control
Unit
IEF ^{HEF PEF}
HCF EVF SEF
PSR0 PM0 PR
. . ^{PM1 MR1}
.
.
PORT RA
PORT RB
PORT RC
SEL
MUL
Timer 1
(8 Bit)
Modulation
Frequency
Pulse
Divider 0
(14 Bit)
Timing Generator
XOUT XIN
RA0-3
RB0-3
RC0-3
MFP
VDD
VSS
RES
Publication Release Date: May 30, 2003
-5-
Revision A1