MDT1051

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P.6

2005/6

Ver. 1.9

(12) TMR (Time Mode Register) : R81

Bit

Symbol

Function

Prescaler Value

RTCC rate

WDT rate

2

—0

PS2

—0

0

0

0

0

0

1

0

1

0

0

1

1

1

0

0

1

0

1

1

1

0

1

1

1

1 : 2

1 : 4

1 : 8

1 : 16

1 : 32

1 : 64

1 : 128

1 : 256

1 : 1

1 : 2

1 : 4

1 : 8

1 : 16

1 : 32

1 : 64

1 : 128

3

PSC

Prescaler assignment bit :

0

— RTCC

1

— Watchdog Timer

4

TCE

RTCC signal Edge :

0

— Increment on low-to-high transition on RTCC pin

1

— Increment on high-to-low transition on RTCC pin

5

TCS

RTCC signal set :

0

— Internal instruction cycle clock

1

— Transition on RTCC pin

6

IES

Interrupt edge select

0

— Interrupt on falling edge on PB0

1

— Interrupt on rising edge on PB0

7

PBPH

PORTB pull-hi

0

— PORTB pull-hi are enable

1

— PORTB pull-hi are disable

(13) CPIO A (Control Port I/O Mode Register) : R85

＝“0”, I/O pin in output mode;

＝“1”, I/O pin in input mode.

(14) CPIO B (Control Port I/O Mode Register) : R86

＝“0”, I/O pin in output mode;

＝“1”, I/O pin in input mode.

(15) PSTA : R87

Bit

Symbol

Function

0

PRDB

0:Power range-detector Reset occurred

1:No Power range-detector Reset Occurred

1

PORB

0:Power on Reset occurred

1:No Power on Reset occurred

(16) ADS1 ( A/D Status Register ) : R88

Bit

Symbol

Function

1,0

PAVM1-0

00 : PA0 - 3 = analog input . VREF = VDD

01 : PA0 - 2 = analog input . PA3 =ref input, VREF =PA3

10 : PA0 - 1 = analog input. PA2-3 = digital I/O ,VREF = VDD

11 : PA0 - 3 = digital I/O , VREF = VDD