W741C260 Datasheet, PDF (5/92 Pages) Winbond – 4-BIT MICROCONTROLLER

BLOCK DIAGRAM
W741C260
SEG0 to SEG31 COM0 to COM3 _{VDD1 to 3 DH1 to 2}
RAM
(128 x 4)
LCD DRIVER
ROM
(2048 x 16)
(look_up table
2K x 4)
+1(+2)
PC
STACK
(8 Levels)
ACC
ALU
Central Control
Unit
IEF HEF PEF
HCF EVF SEF
PSR0 PR MR1
...
PORT RA
PORT RB
PORT RC
PORT RD
PORT RE
SEL
MUX
Timer 0
(8-bit)
Timer 1
(8-bit)
Modulation
Frequency
Pulse
Divider 1
(13/14-bit)
Watchdog Timer
(4-bit)
Divider 0
(14-bit)
Timing Generator
RA0 to 3
RB0 to 3
RC0 to 3
RD0 to 3
RE0 to 3
MFP
VDD
VSS
RES
XIN1 XOUT1 XIN2 XOUT2
Publication Release Date: March 1998
-5-
Revision A3