ICL7135_14 Datasheet, PDF (12/15 Pages) Intersil Corporation – 41/2 Digit, BCD Output, A/D Converter

ICL7135
SERIAL OUTPUT
TO RECEIVING UART
TRO
EPE
1
UART
IM6402/3
TBRL
TBR
234 567 8
D4 D3 D2 D1 B1 B2 B4 B8
NC
D5
ICL7135
STROBE
POL
RUN/HOLD
+5V
FIGURE 13. ICL7135 TO UART INTERFACE
TRO
RRI
EPE
IM6402/3
TBR
DRR
DR
TBRL
12 3 4 5 6 7 8
1Y 2Y 3Y
74C157
1A 2A 3A
ENABLE
1B 2B 3B
D4 D3 D2 D1 B1 B2 B4 B8
D5
ICL7135
STROBE
RUN/HOLD
BUSY
100pF
+5V
10K
FIGURE 14. COMPLEX ICL7135 TO UART INTERFACE
EN
74C157
1B 2B 3B
1Y
2Y
3Y
1A 2A 3A
D5 B8 B4 1BY2 B1
D1
ICL7135 _D2
RUN/
D3
HOLD STROBE D4
PA0
PA1
PA2
PA3
MC6820
PA4
PA5
PA6
PA7
CA1 CA2
MC680X
OR
MCS650X
EN
74C157
1B 2B 3B
1Y
2Y
3Y
1A 2A 3A
D5 B8 B4 B21YB1
D1
ICL7135
D2
RUN/
D3
HOLD STROBE D4
PA0
PA1
PA2
PA3
8255
(MODE1)
PA4
PA5
PA6
PA7
STB_A PB0
80C48
8080
8085,
ETC.
FIGURE 15. ICL7135 TO MC6800, MCS650X INTERFACED
FIGURE 16. ICL7135 TO MCS-48, -80, -85 INTERFACE
12
FN3093.4