Rainbow Electronics AT77C105A User Manual
Page 2

2
AT77C105A [Preliminary]
5419A–BIOM–01/05
Note:
The die attach is connected to pin 6 and must be grounded. The FPL pin must also be grounded.
Table 1. Pin Description for Chip-on-board Package: AT77C105A-CB08V
Pin Number
Name
Type
Description
1
Not connected
2
Not connected
3
Not connected
4
Not connected
5
GNDD
G
Digital ground supply
6
GNDA
G
Analog ground supply - connect to GNDD
7
VDDD
P
Digital power supply
8
VDDA
P
Analog power supply - connect to V
DD
9
SCK
I
Serial Port Interface (SPI) clock
10
TESTA
IO
Reserved for the analog test, not connected
11
MOSI
I
Master-out slave-in data
12
VDD_IO
P
Input/output power supply - connect IO voltage compatibility accordingly
13
MISO
O
Master-in slave-out data
14
SCANEN
I
Reserved for the scan test in factory, must be grounded
15
SSS
I
Slow SPI slave select (active low
16
IRQ
O
Interrupt line to host (active low). Digital test pin
17
FSS
I
Fast SPI slave select (active low)
18
RST
I
Reset and sleep mode control (active high)
19
FPL
I
Front plane, must be grounded
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