Ver 1.0
Nov 09, 2000
TEL: 886-3-5788833
http://www.gmt.com.tw
3
G570
Global Mixed-mode Technology Inc.
Terminal Functions
28 Pin
TERMINAL
NAME
NO.
I/O
DESCRIPTION
3.3V
5V
12V
AVCC
AVPP
BVCC
BVPP
CLOCK
DATA
GND
LATCH
NC
14,15,16
1,27,28
6,23
8,9,10
7
19,20,21
22
3
2
11
4
12,18,24,25,26
I
I
I
O
O
O
O
I
I
I
3.3V V
CC
input for card power
5V V
CC
input for card power and/or chip power
12V V
PP
input for card power
Switched output that delivers 0V,3.3V,5V or high impedance to card
Switched output that delivers 0V,3.3V,5V,12V or high impedance to card
Switched output that delivers 0V, 3.3V, 5V or high impedance
Switch output that delivers 0V, 3.3V, 5V, 12V or high impedance
Logic-level clock for serial data word
Logic-level serial data word
Ground
Logic level latch for serial data word
No internal connection
Logic-level overcurrent.
OC
reports output that goes low when an overcurrent condition
exists
Logic-level RESET input active high. Do not connect if terminal 13 is used.
Logic-level
RESET
input active low. Do not connect if terminal 5 is used.
OC
17
O
RESET
RESET
5
13
I
I
30 Pin
TERMINAL
NAME
NO.
I/O
DESCRIPTION
3.3V
5V
12V
AVCC
AVPP
BVCC
BVPP
CLOCK
DATA
GND
LATCH
15,16,17
1,2,30
7,24
9,10,11
8
20,21,22
23
4
3
12
5
13,19,25,26,
27,28,29
I
I
I
O
O
O
O
I
I
I
3.3V V
CC
input for card power
5V V
CC
input for card power and/or chip power
12V V
PP
input for card power
Switched output that delivers 0V,3.3V,5V or high impedance to card
Switched output that delivers 0V,3.3V,5V,12V or high impedance to card
Switched output that delivers 0V, 3.3V, 5V or high impedance
Switch output that delivers 0V, 3.3V, 5V, 12V or high impedance
Logic level clock for serial data word
Logic level serial data word
Ground
Logic level latch for serial data word
NC
No internal connection
OC
18
O
Logic-level overcurrent.
OC
reports output that goes low when an overcurrent condition
exists
Logic-level RESET input active high. Do not connect if terminal 14 is used.
Logic-level
RESET
input active low. Do not connect if terminal 6 is used.
RESET
RESET
6
14
I
I