參數(shù)資料
型號: MCP23018T-E/MJ
廠商: Microchip Technology
文件頁數(shù): 53/56頁
文件大?。?/td> 0K
描述: IC I/O EXPANDER I2C 16B 24QFN
標(biāo)準(zhǔn)包裝: 3,300
接口: I²C
輸入/輸出數(shù): 16
中斷輸出:
頻率 - 時鐘: 3.4MHz
電源電壓: 1.8 V ~ 5.5 V
工作溫度: -40°C ~ 125°C
安裝類型: 表面貼裝
封裝/外殼: 24-VFQFN 裸露焊盤
供應(yīng)商設(shè)備封裝: 24-QFN(4x4)
包裝: 帶卷 (TR)
MCP23018/MCP23S18
DS22103A-page 6
2008 Microchip Technology Inc.
TABLE 1-2:
SPI PINOUT DESCRIPTION (MCP23S18)
Pin
Name
28L
PDIP/
SOIC
24L
QFN
Pin
Type
Standard Function
GPB0
3
24
I/O
Bidirectional I/O Pin (5.5 volt tolerant inputs; open-drain outputs). Can be enabled
for interrupt on change, and/or internal pull-up resistor.
GPB1
4
1
I/O
Bidirectional I/O Pin (5.5 volt tolerant inputs; open-drain outputs). Can be enabled
for interrupt on change, and/or internal pull-up resistor.
GPB2
5
2
I/O
Bidirectional I/O Pin (5.5 volt tolerant inputs; open-drain outputs). Can be enabled
for interrupt on change, and/or internal pull-up resistor.
GPB3
6
3
I/O
Bidirectional I/O Pin (5.5 volt tolerant inputs; open-drain outputs). Can be enabled
for interrupt on change, and/or internal pull-up resistor.
GPB4
7
4
I/O
Bidirectional I/O Pin (5.5 volt tolerant inputs; open-drain outputs). Can be enabled
for interrupt on change, and/or internal pull-up resistor.
GPB5
8
5
I/O
Bidirectional I/O Pin (5.5 volt tolerant inputs; open-drain outputs). Can be enabled
for interrupt on change, and/or internal pull-up resistor.
GPB6
9
6
I/O
Bidirectional I/O Pin (5.5 volt tolerant inputs; open-drain outputs). Can be enabled
for interrupt on change, and/or internal pull-up resistor.
GPB7
10
7
I/O
Bidirectional I/O Pin (5.5 volt tolerant inputs; open-drain outputs). Can be enabled
for interrupt on change, and/or internal pull-up resistor.
VDD
11
8
P
Power (high current capable)
VSS
1
23
P
Ground (high current capable)
CS
12
9
I
Chip select
SCK
13
10
I
Serial clock input
SI
14
11
I
Serial data input
SO
15
12
O
Serial data out
RESET
16
13
I
Hardware reset (must be externally biased)
INTB
18
O
Interrupt output for port B. Can be configured as active high, active low, or open
drain.
INTA
19
14
O
Interrupt output for port A. Can be configured as active high, active low, or open
drain.
GPA0
20
15
I/O
Bidirectional I/O Pin (5.5 volt tolerant inputs; open-drain outputs). Can be enabled
for interrupt on change, and/or internal pull-up resistor.
GPA1
21
16
I/O
Bidirectional I/O Pin (5.5 volt tolerant inputs; open-drain outputs). Can be enabled
for interrupt on change, and/or internal pull-up resistor.
GPA2
22
17
I/O
Bidirectional I/O Pin (5.5 volt tolerant inputs; open-drain outputs). Can be enabled
for interrupt on change, and/or internal pull-up resistor.
GPA3
23
18
I/O
Bidirectional I/O Pin (5.5 volt tolerant inputs; open-drain outputs). Can be enabled
for interrupt on change, and/or internal pull-up resistor.
GPA4
24
19
I/O
Bidirectional I/O Pin (5.5 volt tolerant inputs; open-drain outputs). Can be enabled
for interrupt on change, and/or internal pull-up resistor.
GPA5
25
20
I/O
Bidirectional I/O Pin (5.5 volt tolerant inputs; open-drain outputs). Can be enabled
for interrupt on change, and/or internal pull-up resistor.
GPA6
26
21
I/O
Bidirectional I/O Pin (5.5 volt tolerant inputs; open-drain outputs). Can be enabled
for interrupt on change, and/or internal pull-up resistor.
GPA7
27
22
I/O
Bidirectional I/O Pin (5.5 volt tolerant inputs; open-drain outputs). Can be enabled
for interrupt on change, and/or internal pull-up resistor.
NC
2, 17,
28
Not connected
EP
25
Exposed Thermal Pad (EP). Do not electrically connect, or connect to VSS.
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