ICS620-01 Datasheet, PDF (2/4 Pages) Integrated Circuit Systems – Digital Still Camera Clock Source

PRELIMINARY INFORMATION
ICS620-01
I C R O C LOC K ^{Digital Still Camera Clock Source}
Pin
CSEL0 1
Assignment ^{NC 2}
X2 3
X1 4
VDD 5
NSEL1 6
VDD 7
VDD 8
NSEL0 9
GND 10
GND ₁₁
CLKI2 12
CLKI1 13
CLKP2 14
28 ^CSEL1
27 ISEL0
26 NC
25 CLKN1
24 ISEL1
23 GND
22 CLKN2
21 VDD
20 PSEL0
19 GND
18 CLKC1
17 CLKC2
16 PSEL1
15 CLKP1
Clock C Frequency Select Table (MHz)
CSEL1 CSEL0 CLKC1
CLKC2 Actual error
0
0 Power Down - both outputs stop low
0
M 14.31818 7.15909
0 ppm
0
1
9.81818 4.90909
0 ppm
M
0
7.3728
3.6864 31 ppm high
MM
27
13.5
0 ppm
M
1
8
4
0.017% high
1
0
28
14
0 ppm
1
M 24.54545 12.272725 11 ppm high
1
1
32
16
0.017% high
Key: 0 = connect to ground, 1 = connect to VDD,
M = leave unconnected (floating).
Processor Clock Select (MHz) Interface Clock Select (MHz) NTSC/PAL Clock Select (MHz)
PSEL1
0
0
1
1
PSEL0 CLKP1 CLKP2
0 Power down both
1 20.50 10.25
0 23.96 11.98
1 24.5455 12.2727
Pin Descriptions
ISEL1
0
0
1
1
ISEL0 CLKI1 CLKI2
0 Power down both
1 36.864 18.432
0 24.576 8.192
1
48
12
NSEL1
0
0
0
1
1
1
NSEL0 CLKN1 CLKN2 Error
0 Power down
M 8.8672 4.43361 2 ppm low
1
27 13.5 0 ppm
0 35.4688 17.7344 2 ppm low
M 7.1591 3.5795 0 ppm
1 28.6364 14.3182 0 ppm
Pin #
Name
Type Description
1
CSEL0
TI C clock SELect pin 0.
2, 26
NC
- No Connect. Nothing is connected internally to this pin.
3
X2
XO Crystal connection. Connect to a 14.31818 MHz crystal or input clock.
4
X1
XI Crystal connection. Connect to a 14.31818 MHz crystal, or leave unconnected for clock.
5, 7, 8, 21
VDD
P Connect to +3.3V or +5V. Must be same voltage on all pins.
6
NSEL1
I NTSC/PAL SELect pin 1.
9
NSEL0
TI NTSC/PAL SELect pin 0.
10, 11, 19, 23
GND
P Connect to Ground.
12
CLKI2
O Interface CLocK output 2.
13
CLKI1
O Interface CLocK output 1.
14
CLKP2
O Processor CLocK output 2.
15
CLKP1
O Processor CLocK output 1.
16
PSEL1
I Processor clock SELect pin 1.
17
CLKC2
O C CLocK output 2.
18
CLKC1
O C CLocK output 1.
20
PSEL0
I Processor clock SELect pin 0.
22
CLKN2
O NTSC/PAL CLocK output 2.
24
ISEL1
I Interface clock SELect pin 1.
25
CLKN1
O NTSC/PAL CLocK output 1. Output may stop high or low during power down.
27
ISEL0
I Interface clock SELect pin 0.
28
CSEL1
TI C clock SELect pin 1.
Key: I = Input, O = Output, P = Power supply connection, TI = tri-level input (automatically biased to M level if unconnected).
Internal pull-ups are on pins 6, 16, 20, 24, and 27.
MDS 620-01 B
2
Revision 072098 Printed 12/4/00
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