AK4160 Datasheet, PDF (32/40 Pages) Asahi Kasei Microsystems – 16-channel Capacitive Touch Sensor IC

[AK4160]
IRQ GPIO Register (GPEN bit = “1”)
Address 0x64/0x68/0x6C (W/R) Default 0x08
Description
D7
D6
D5
D4
D3
D2
D1
D0
IRQ GPIO
GPEN
DIR
DAT
DRV[1] DRV[0] DSTR
PE
PU
Address 0x65/0x69/0x6D (W/R) Default 0x00
Description
D7
D6
IRQ GPIO
Reserved Reserved
D5
Reserved
D4
Reserved
D3
Reserved
D2
Reserved
D1
Reserved
D0
Reserved
Bits
D7
D6
D5
D4-D3
D2
D1
D0
Bits
D7-D0
Name
GPEN
DIR
DAT
DRV
DSTR
PE
PU
Name
Reserved
Description
GPIO Enable
This bit should be set to “1” at the GPIO operation.
GPIO Input/Output Selection
0: Input Configuration
1: Output Configuration
GPIO Output Data
When GPIO is output configuration, the output data is setting by this bit.
Output Driver Setting
00: CMOS Output
01: Low Side Output: When Output is “H”, Hi-z (Open Drain)
10: High Side Output: When Output is “L”, Hi-z (Open Drain)
11: CMOS Output (Same as 00 Setting)
The Driving ability of the GPIO output driver is set.
0: 1/3 drive
1: full drive
Pull-up, Pull-down Enable
0: Invalid
1: Valid. The direction is fixed by PU bit.
Pull-up / Pull-down Selector
0: Pull-down
1: Pull-up
Description
Reserved: This bit should be written “0”.
MS1313-E-01
- 32 -
2011/11