参数资料
型号: TCA8418EYFPR
厂商: TEXAS INSTRUMENTS INC
元件分类: 模拟信号调理
英文描述: SPECIALTY ANALOG CIRCUIT, BGA25
封装: 2 X 2 MM, 0.40 MM PITCH, DSBGA-25
文件页数: 23/31页
文件大小: 400K
代理商: TCA8418EYFPR
www.ti.com
SCPS222B – MAY 2010 – REVISED SEPTEMBER 2010
TERMINAL FUNCTIONS
TERMINAL
NO.
TYPE
DESCRIPTION
NAME
WCSP
(YFP)
A1
ROW7
I/O
GPIO or row 7 in keypad matrix
B1
ROW6
I/O
GPIO or row 6 in keypad matrix
C1
ROW5
I/O
GPIO or row 5 in keypad matrix
D1
ROW4
I/O
GPIO or row 4 in keypad matrix
E1
ROW3
I/O
GPIO or row 3 in keypad matrix
A2
ROW2
I/O
GPIO or row 2 in keypad matrix
C2
ROW1
I/O
GPIO or row 1 in keypad matrix
D2
ROW0
I/O
GPIO or row 0 in keypad matrix
E2
COL0
I/O
GPIO or column 0 in keypad matrix
A3
COL1
I/O
GPIO or column 1 in keypad matrix
B3
COL2
I/O
GPIO or column 2 in keypad matrix
C3
COL3
I/O
GPIO or column 3 in keypad matrix
D3
COL4
I/O
GPIO or column 4 in keypad matrix
E3
COL5
I/O
GPIO or column 5 in keypad matrix
A4
COL6
I/O
GPIO or column 6 in keypad matrix
B4
COL7
I/O
GPIO or column 7 in keypad matrix
C4
COL8
I/O
GPIO or column 8 in keypad matrix
D4
COL9
I/O
GPIO or column 9 in keypad matrix
E4
GND
Ground
Active-low reset input. Connect to VCC through a pullup resistor, if no active connection is
A5
RESET
I
used.
B5
VCC
Pwr
Supply voltage of 1.65 V to 3.6 V
C5
SDA
I/O
Serial data bus. Connect to VCC through a pullup resistor.
D5
SCL
I
Serial clock bus. Connect to VCC through a pullup resistor.
E5
INT
O
Active-low interrupt output. Open drain structure. Connect to VCC through a pullup resistor.
Active-low interrupt hardware output for 3-key simultaneous press-event. Open drain structure.
B2
CAD_INT
O
Connect to VCC through a pullup resistor.
Copyright 2010, Texas Instruments Incorporated
3
Product Folder Link(s): TCA8418E
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