LC82102 Datasheet, PDF (4/5 Pages) Sanyo Semicon Device – Image-Processing LSI for Fax, Copier and OCR Products

LC82102, LC82102W
Continued from preceding page.
Pin No.
Symbol
I/O
21
WR
I
22
RD
I
23
ME
I
24
DV_DD
P
25
CLKIN
I
26
TEST
I
27
IOE
I
28
MCS
I
29
IOCS
I
30
ICLK
I
31
TRIG
I
32
RESET
I
33
SAMP/LININT
O
34
AP3
O
35
AP2
O
36
AGND
P
37
ADREFL
I
38
DAREFL
I
39
AIN
I
40
TEMP
I
41
ATAP
O
42
DAREFH
I
43
AV_DD
P
44
AP1
O
45
AP0
O
46
AGND
P
47
PD7/SD
B
48
PD6/SDCK
B
49
DGND
P
50
PD5/SDE
B
51
PD4/PP4
B
52
PD3/PP3
B
53
PD2/PP2
B
54
PD1/PP1
B
55
PD0/PP0
B
56
DV_DD
P
57
DACK/PP5
B
58
DREQ/PP5
B
59
MTP/PP7
B
60
CLK2
O
61
CLK1
O
62
RS
O
63
SH
O
64
DGND
P
Type: I: Input pin, O: Output pin, B: Bidirectional pin, P: Power supply pin, NC: No connection
Function
CPU interface write signal
CPU interface read signal
CPU interface memory enable signal
Digital system power supply
System clock input
Test pin (Connect to ground in normal use.)
CPU interface I/O enable signal
CPU interface memory chip select signal
CPU interface I/O chip select signal
External sampling point signal input
External trigger signal input
System reset
A/D converter sampling point monitor signal output/LINE signal output
General-purpose analog ports
Digital system ground
A/D converter low reference voltage
D/A converter low reference voltage
Sensor signal input
Temperature signal input
Intermediate analog connection
D/A converter high reference voltage
Analog system power supply
General-purpose analog ports
Analog system ground
DMA output/serial data output
DMA output/serial data transfer clock
Digital system ground
DMA output/serial data output valid signal
DMA output/general-purpose I/O ports
Digital system power supply
DMA data acknowledge signal input/general-purpose I/O port
DMA data request signal output/general-purpose I/O port
Motor drive timing signal output/general-purpose I/O port
Sensor drive signal output
Digital system ground
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