參數(shù)資料
型號: MAX7329AAP+
廠商: MAXIM INTEGRATED PRODUCTS INC
元件分類: 微控制器/微處理器
英文描述: 8 I/O, PIA-GENERAL PURPOSE, PDSO20
封裝: 5.30 MM, LEAD FREE, MO150, SSOP-20
文件頁數(shù): 8/13頁
文件大小: 611K
代理商: MAX7329AAP+
Pin Description
MAX7328/MAX7329
I2C Port Expanders with Eight I/O Ports
4
_______________________________________________________________________________________
V+
P0–P7
100
A
GND
CLK
DQ
FF
S
CLK
DQ
WRITE PULSE
READ PULSE
DATA FROM
SHIFT REGISTER
DATA TO
SHIFT REGISTER
POWER-ON
RESET
FF
S
TO INTERRUPT
LOGIC
MAX7328
MAX7329
Figure 1. Block Diagram
PIN
SO
SSOP/TSSOP
NAME
FUNCTION
1, 2, 3
6, 7, 9
AD0, AD1,
AD2
Address Inputs. AD0, AD1, and AD2 set device slave address. Connect AD0, AD1,
and AD2 to either GND or V+. See Tables 1 and 2.
4–7, 9–12
10, 11, 12, 14,
16, 17, 19, 20
P0–P7
Input/Output Ports. P0–P7 are open-drain I/Os.
815
GND
Ground
13
1
INT
Interrupt Output. INT is an open-drain output rated at 5.5V.
14
2
SCL
I2C-Compatible Serial-Clock Input
15
4
SDA
I2C-Compatible Serial-Data I/O
16
5
V+
Positive Supply Voltage. Bypass V+ to GND with a 0.047F ceramic capacitor.
3, 8, 13, 18
N.C.
No Connection. Internally not connected.
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