AV9154A
Pin Descriptions
Frequencies based upon 14.318 MHz input)
PIN NUMBER
PIN NAME
TYPE
DESCRIPTION
-4
4
13
5
12
8
1
16
10
-
-
-
3
2
11
-
6
-
-
7
14
15
9
-
-10
4
13
5
12
8
16
15
-
-
-
-
3
2
10
7
11
6
-
1
14
-
-
9
-26
4
13
5
12
8
1
16
10
9
-
-
3
2
11
-27
4
13
5
12
8
16
15
10
9
-
-
3
2
11
1
-42
4
13
5
12
8
1
16
9
-
15
-
3
2
10
-
6
-
-
7
11
14
-
-
-43
4
13
5
12
8
1
16
10
-
15
9
3
2
11
-
6
-
-
7
-
14
-
-
VDD
VDD
GND
GDD
AGND
FS0
FS1
FS2
OE
SLOWCLK#
STOPCLK#
X1
X2
14.318 MHz
1.84 MHz
24 MHz
16 MHz
12 MHz
8 MHz
CPUCLK
2XCPUCLK
PD#
PDFCLK#
P
P
P
P
P
I
I
I
I
I
I
I
O
O
O
O
O
O
O
O
O
I
I
Digital power (3.3 or 5V).
Digital power (3.3 or 5V).
Digital ground.
Digital ground.
Analog ground.
Frequency select 0 for CPU clock
(has internal pull-up).*
Frequency select 1 for CPU clock
(has internal pull-up).*
Frequency select 2 for CPU clock
(has internal pull-up).*
Tristates outputs when low (has internal pull-up).*
Slows 2XCPU clock to 8 MHz (active low)
(has internal pull-up).
Stops 2XCPU clock glitch-free (active low)
(has internal pull-up).
Crystal In.
Crystal Out.
14.318 MHz reference clock output.
1.84 MHz (comm) clock output.
24 MHz (floppy disk) clock output.
16 MHz clock output.
12 MHz keyboard clock output.
8 MHz keyboard clock output.
CPU clock output.
2X CPU clock output.
Power-Down All (active low) (has internal pull-up).
Power-Down Fixed Clock
(1.84, 8, 16, 24) (active low).**
6
-
7
-
14
15
-
-
6
-
7
-
-
14
-
-
Note:
Internal Pull-up Resistors.
* -04 and -10 have no pull-ups or frequency select pins
** -10 has no pull-up or Pin 9 PDFCLK
4
ICS [ INTEGRATED CIRCUIT SYSTEMS ]
