LC8213K Datasheet, PDF (3/5 Pages) Sanyo Semicon Device – Image Data Compression/Expansion Processor

LC8213K
Switching Characteristics at V_DD = 2.7 to 5.5 V, Ta = –20 to +75°C, V_SS = 0 V
I: Input pin O: Output pin B: Bi-directional pin P: Power supply pin NC: No connection
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
Pin name
CS
RD
WR
A2
A1
A0
V_DD
D7
D6
D5
D4
V_SS
D3
D2
D1
D0
V_DD
IREQ
DREQ
DACK
RESET
CLK
V_SS
TEST4
V_DD
TEST3
TEST2
TEST1
TEST0
BREQ
BACK
IDREQ
IDACK
AEN
AST
MDEN
MRD
MWR
IORD
IOWR
LDE
UDE
READY
I/O
Function
I Chip select signal
I Read signal from the CPU
I Write signal from the CPU
I
I Address inputs
I
P Power supply
NC
B
B
Data bus
B
B
P Ground
B
B
Data bus
B
B
NC
P Power supply
O Interrupt request signal
O DMA request signal output to external DMA controller
I DMA acknowledge signal input from external DMA controller
NC
NC
NC
NC
I Reset signal input
I Clock input
P Ground
I Test pin
P Power supply
I
I
Test pin
I
I
NC
O Bus request signal for the image bus
I Acknowledge signal for the image bus
I DMA request signal from I/O devices
O DMA acknowledge signal to I/O devices
O Address enable
O Address strobe
O Memory data enable
O Image memory read signal
O Image memory write signal
O I/O device read signal
O I/O device write signal
O Image bus lower byte valid signal
O Image bus upper byte valid signal
I Ready signal
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