Datasheet

DS_1215F_003 73S1215F Data Sheet
Rev. 1.4 71
Keypad Column MS Scan Order Register (KORDERH): 0xD7 Å 0x00
Table 76: The KORDERH Register
MSB LSB
– 5COL.2 5COL.1 5COL.0 4COL.2 4COL.1 4COL.0 3COL.2
Bit Symbol Function
KORDERH.7 –
KORDERH.6 5COL.2
Column to scan 5
th
. KORDERH.5 5COL.1
KORDERH.4 5COL.0
KORDERH.3 4COL.2
Column to scan 4
th
. KORDERH.2 4COL.1
KORDERH.1 4COL.0
KORDERH.0 3COL.2 Column to scan 3
rd
(msb).
External Interrupt Control Register (INT5Ctl): 0xFF94 Å 0x00
Table 77: The INT5Ctl Register
MSB LSB
PDMUX – RTCIEN RTCINT USBIEN USBINT KPIEN KPINT
Bit Symbol Function
INT5Ctl.7 PDMUX Power down multiplexer control.
INT5Ctl.6 –
INT5Ctl.5 RTCIEN When set =1, enables RTC interrupt.
INT5Ctl.4 RTCINT
When set =1, indicates interrupt from Real Time Clock function. Cleared
on read of register.
INT5Ctl.3 USBIEN USB interrupt enable.
INT5Ctl.2 USBINT USB interrupt flag.
INT5Ctl.1 KPIEN Enables Keypad interrupt when set = 1.
INT5Ctl.0 KPINT
This bit indicates the Keypad logic has set Key_Detect bit and a key
location may be read. Cleared on read of register.