SM5272B
312 RF DECODER
S
AMHOP Microelectronics Corp.
PIN FUNCTION
No.
1
Pin Name
I/O
Function
A0
A1
I
2
I
3
A2
I
Address input, each pin can be set to "0",
"1" , or floating.
4
A3
I
5
A4
I
6
A5
I
I / O
I / O
POWER
I / O
I / O
I / O
I / O
I
7
A6/D5
A7/D4
Vss
Address input or data output.
Negative power supply.
8
9
10
11
12
13
14
15
16
17
18
A8/D3
A9/D2
A10/D1
A11/D0
DIN
Address input or data output.
Receive from Rf module.
OSC1
OSC2
VT
I
Resistor connected between these two pins
determine the system clock.
O
O
Valid transmission indication.
Positive power supply.
V
DD
POWER
Page 4
OCT. 26, 2001
SAMHOP [ SAMHOP MICROELECTRONICS CORP. ]
