AV9155C-44 查看數據表（PDF） - Integrated Circuit Systems
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AV9155C-44 Datasheet PDF : 4 Pages
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AV9155C-44
Pin Descriptions for AV9155C-44
PIN NUMBER PIN NAME
1
3.529 MHz
2
X2
3
X1
4
VDD
5
GND
6
20 MHz
7
N/C
8
30 MHz
9
AGND
10
N/C
11
OE#
12
N/C
13
16 MHz
14
N/C
15
GND
16
VDD
17
2XCPU
18
N/C
19
FS1
20
FS0
TYPE
OUT
OUT
IN
PWR
PWR
OUT
-
OUT
PWR
-
IN
-
OUT
-
PWR
PWR
OUT
-
IN
IN
DESCRIPTION
3.529 MHz reference clock output.
CRYSTAL connection.
CRYSTAL connection.
DIGITAL POWER SUPPLY (+5V).
Digital GROUND.
20 MHz clock output.
Not internally connected.
30 MHz keyboard clock output.
ANALOG GROUND (original version).
Not internally connected.
OUTPUT ENABLE. Tristates 2XCPU output when high. (Has
internal pull-up.)
Not internally connected.
16 MHz reference clock output.
Not internally connected.
Digital GROUND.
DIGITAL POWER SUPPLY (+5V).
CPU clock output.
Not internally connected.
CLOCK frequency SELECT #1. (Has internal pull-up.)
CLOCK frequency SELECT #0. (Has internal pull-up.)
2
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