MDT2051 Datasheet, PDF (5/14 Pages) List of Unclassifed Manufacturers – 8-bit micro-controller uses a fully static CMOS design technology

(11) INTS ( Interrupt Status Register ) : R0B
MDT2051
Bit Symbol
Function
0
RBIF PORT B change interrupt flag. Set when PB <7:4> inputs change
1
INTF Set when INT interrupt occurs. INT interrupt flag.
2
TIF
Set when TMR overflows.
3
RBIE 0 : disable PB change interrupt
1 : enable PB change interrupt
4
INTS 0 : disable INT interrupt
1 : enable INT interrupt
5
TIS
0 : disable TMR interrupt
1 : enable TMR interrupt
6
ADIS 0 : disable A/D interrupt
1 : enable A/D interrupt
7
GIS
0 : disable global interrupt
1 : enable global interrupt
(12) TMR (Time Mode Register) : R81
Bit
20
3
4
5
6
7
Symbol
PS2 0
PSC
TCE
TCS
IES
PBPH
Function
Prescaler Value
RTCC rate
WDT rate
000
001
1:2
1:4
1:1
1:2
010
1:8
1:4
011
1 : 16
1:8
100
1 : 32
1 : 16
101
110
1 : 64
1 : 128
1 : 32
1 : 64
111
1 : 256
1 : 128
Prescaler assignment bit :
0 RTCC
1 Watchdog Timer
RTCC signal Edge :
0 Increment on low-to-high transition on RTCC pin
1 Increment on high-to-low transition on RTCC pin
RTCC signal set :
0 Internal instruction cycle clock
1 Transition on RTCC pin
Interrupt edge select
0 Interrupt on falling edge on PB0
1 Interrupt on rising edge on PB0
PORTB pull-hi
0 PORTB pull-hi are enable
1 PORTB pull-hi are disable
This specification are subject to be changed without notice. Any latest information please preview
http;//www.mdtic.com.tw
P. 5
2004/1 Ver. 1.8