AV9154A-60
Pin Configuration
Functionality
(in MHz, assuming 14.318 MHz input)
FS2
0
0
0
0
1
1
1
1
FS1
0
0
1
1
0
0
1
1
FS0
0
1
0
1
0
1
0
1
CPUCLK
8
16
20
25
33.33
40
50
66.66
16-Pin SOIC
Actual Output Frequencies
(in MHz, assuming 14.318 MHz input)
FS2
0
0
0
0
1
1
1
1
FS1
0
0
1
1
0
0
1
1
FS0
0
1
0
1
0
1
0
1
CPUCLK
8.182
16.11
20.05
25.06
33.24
40.09
50.11
66.48
Pin Descriptions
PIN NUMBER
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
PIN NAME
FS0
X2
X1
VDD
GND
24 Mhz
128 kHz
AGND
PD14
PDCPUCLK
14.318 Mhz
GND
VDD
CPUCLK
FS2
FS1
TYPE
I
O
I
P
P
O
O
P
I
I
O
P
P
O
I
I
DESCRIPTION
Frequency Select 0 for CPUCLK.
Crystal out. Connect a 14.318 MHz crystal to this pin.
Crystal in. Connect a 14.318 MHz crystal to this pin.
Digital Power (+3.3V or +5V).
Digital Ground.
24 MHz clock output.*
128 kHz clock output.*
Analog Ground.
Power-down 14.318 MHz output (active high).
Power-down CPU clock (active high).
14.318 MHz reference clock output.*
Digital Ground.
Digital Power (+3.3V or +5V).
CPU Clock output determined by status of FS0 - FS2.
Frequency Select 2 for CPUCLK.
Frequency Select 1 for CPUCLK.
Note:
No internal pull-ups on any Inputs.
* Frequencies shown are assuming a 14.318 MHz input.
2
ICS [ INTEGRATED CIRCUIT SYSTEMS ]
