Datasheet
PIN SIGNAL DESCRIPTION
1 P0 Push-pull output 0
2 P1 Push-pull output 1
3 P2 Push-pull output 2
4 P3 Push-pull output 3
5 P4 Push-pull output 4
6 P5 Push-pull output 5
7 P6 Push-pull output 6
8 P7 Push-pull output 7
9 P8 Push-pull output 8
10 P9 Push-pull output 9
11 P10 Push-pull output 10
12 P11 Push-pull output 11
13 P12 Output 12 (open-drain output 1)
14 P13 Output 13 (open-drain output 2)
15 P14 Output 14 (open-drain output 3)
16 P15 Output 15 (open-drain output 4)
17 VLA
Optional: User-applied VCC (refer to
the MAX7304 IC data sheet for min/
max limits before connecting external
supply). If unused, leave unconnected.
18 GND Ground
PIN SIGNAL DESCRIPTION
1 SCL I
2
C serial clock
2 SDA I
2
C serial data
3 GND Ground
4 VCC Power supply
5 SCL I
2
C serial clock
6 SDA I
2
C serial data
7 GND Ground
8 VCC Power supply
PIN SIGNAL DESCRIPTION
—
GND
(AD0)
I
2
C address = 8’b0111000x
(x is 1 for read, x is 0 for write)
1-2
VCC
(AD0)
I
2
C address = 8’b0111010x
(x is 1 for read, x is 0 for write)
3-4
SDA
(AD0)
I
2
C address = 8’b0111100x
(x is 1 for read, x is 0 for write)
5-6
SCL
(AD0)
I
2
C address = 8’b0111110x
(x is 1 for read, x is 0 for write)
MAX7304PMB1 Peripheral Module
3Maxim Integrated
Table 2. Connector J2 Table 3. Connector J3 (Daisy-Chain I
2
C)
Table 4. Jumper JP1