TC7109 TelCom, TC7109 Datasheet - Page 19
TC7109
Manufacturer Part Number
TC7109
Description
12-BIT UP-COMPATIBLE ANALOG-TO-DIGITAL CONVERTERS
Manufacturer
TelCom
Datasheet
1.TC7109.pdf
(21 pages)
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12-BIT P-COMPATIBLE
ANALOG-TO-DIGITAL CONVERTERS
ANALOG
TELCOM SEMICONDUCTOR, INC.
IN
ANALOG
IN
TC7109A
TC7109A
MODE
GND
RUN/HOLD
CE/LOAD
Figure 19. TC7109A Handshake Interface to MCS-48, -80, -85 Microcomputers
CE/LOAD
POL, OR
B9–B12
B1–B8
RUN/HOLD
MODE
SEND
+5V
POL, OR
B9–B12
B1–B8
HBEN
LBEN
Figure 18. TC7109A Direct Interface to MC6800 Bus
6
8
6
8
STB A
IBF A
74C30
74C42
PA7–PA0
PC4
PC5
PC
PC6
PC7
RD WR
R/W, VMA
A15–A10
A0–A2
(MODE 1)
D7–D0
8255
ADDRESS BUS
CONTROL BUS
ADDRESS
DATA BUS
BUS
A0–A1
CS
PC3
DATA
BUS
CONTROL
BUS
INTR
8085, 8048, ETC.
8008, 8080,
87C48
MCS650X
MC6800
OR
TC7109A
TC7109
3-109
1
2
3
4
5
6
7
8