ICS9158-04
Pin Configuration
24-Pin SOIC
Pin Description
PIN NUMBER
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
PIN NAME
CLK1A
X2
X1
VDD
GND
CLK1B
CLK1C
CLK1D
AGND
OE
CLK2E
GND
CLK12
CLK1E
FS2
AVDD
CLK2D
CLK2C
GND
VDD
CLK2B
CLK2A
FS1
FS0
TYPE
OUT
OUT
IN
PWR
PWR
OUT
OUT
OUT
PWR
IN
OUT
PWR
OUT
OUT
OUT
PWR
OUT
OUT
PWR
PWR
OUT
OUT
IN
IN
CPU clock output.
Crystal connection output, which includes output crystal load capacitance.
Crystal connection input, which includes crystal load capacitance and
feedback bias for a nominal 14.31818 MHz parallel-resonance 12pF crystal.
Digital POWER SUPPLY.
Digital GROUND.
CPU clock output.
CPU clock output.
CPU clock output.
ANALOG GROUND.
OUTPUT ENABLE. Tristates all outputs when low.*
2X CPU clock output.
Digital GROUND.
CPU clock output.
CPU clock output.
CPU clock frequency select 2.*
ANALOG power supply.
2X CPU clock output.
2X CPU clock output.
Digital GROUND.
Digital POWER SUPPLY.
2X CPU clock output.
2X CPU clock output.
CPU clock frequency select #1.*
CPU clock frequency select #0.*
DESCRIPTION
* Input pin has internal pull-up to VDD.
2
ICS [ INTEGRATED CIRCUIT SYSTEMS ]
