AK4184 Datasheet, PDF (5/36 Pages) Asahi Kasei Microsystems – TSC with Keypad Scanner and GPIO Expander

[AK4184]
F5 GP7
G5 GP6
F6 GP5
G6 GP4
G7 NC
F7 GP3
E6 GP2
E7 GP1
D6 GP0
D7 BRCONT
C6 C6
C7 C5
B6 C4
A7 NC
B7 C3
B5 C2
A6 C1
B4 R5
A5 R4
C3 VSS2
A4 R3
B3 R2
A3 VSS2
B2 R1
A2 IOVDD
I/O GPIO7 pin
I/O GPIO6 pin
I/O GPIO5 pin
I/O GPIO4 pin
- No Connection
No internal bonding. This pin should be open or connected to the ground.
I/O GPIO3 pin
I/O GPIO2 pin
I/O GPIO1 pin
I/O GPIO0 pin
O Pulse width modulated output signal
O Keypad Column 6
O Keypad Column 5
O Keypad Column 4
- No Connection
No internal bonding. This pin should be open or connected to the ground.
O Keypad Column 3
O Keypad Column 2
O Keypad Column 1
I Keypad Row 5
I Keypad Row 4
- Digital I/O Ground
I Keypad Row 3
I Keypad Row 2
- Digital I/O Ground
I Keypad Row 1
- Digital I/O Power Supply 1.6V ~ AVDD
MS0603-E-00
5
2007/04