LC82221L Datasheet, PDF (4/7 Pages) Sanyo Semicon Device – Motion JPEG Decoder

LC82221L
Pin Functions
Pin Number
Pin Name
Type
Description
1
V_SS
Ground
2
ZCTLINT
O Control bus interrupt request
3
ZCTLCS
I Control bus select
4
ZCTLRD/RW
I Control bus read or R/W select
5
ZCTLWR/DS
I Control bus write/data strobe
6
ZCTLRDY
O Control bus ready (tri-state output)
7
CTLCPU
I Control bus CPU type selection
8
V_DD
+3.3-V power supply
9
V_SS
Ground
10
NC
11
NC
12
CTLA5
I
13
CTLA4
I
14
CTLA3
I
Control bus address
15
CTLA2
I
16
CTLA1
I
17
CTLA0
I
18
V_DD
+3.3-V power supply
19
V_SS
Ground
20
CTLD7
I/O
21
CTLD6
I/O
22
CTLD5
I/O
23
CTLD4
I/O
Control bus data
24
CTLD3
I/O
25
CTLD2
I/O
26
CTLD1
I/O
27
CTLD0
I/O
28
V_DD
+3.3-V power supply
29
V_SS
Ground
30
CLKSEL0
I Clock divisor setting
31
CLKSEL1
I CLKSEL1:0 = 00: No divisor, 01: Divisor = 2, 10: Divisor = 3.
32
CLK
I System (decode) clock input
33
NC
34
ZRESET
I Hardware reset
35
NC
36
V_SS
Ground
37
V_DD
+3.3-V power supply
38
ZCDCS/ZCDACK
I Code bus select/code bus DMA acknowledge
39
ZCDINT/ZCDREQ O Code bus interrupt/code bus DMA request
40
ZCDWR
I Code bus data write signal
41
ZCDRDY
O Code bus ready (tri-state output)
42
CDD15
I
43
CDD14
I Code bus data
44
CDD13
I (CDD8 to CDD15 are unused in 8-bit mode.*)
45
CDD12
I
Note: * These pins must be pulled up with a resistance of about 10 kΩ.
Continued on next page.
No. 5846-4/7