EM78P860

8 -BIT MICRO-CONTROLLER

* This specification is subject to be changed without notice.

4.17.2000

8

9.

RB

Empty register, please don't use.

10. RC(2.5k RAM address)(read/write)

765

432

1

0

CIDA7

CIDA6

CIDA5

CIDA4

CIDA3

CIDA2

CIDA1

CIDA0

• Bit 0 ~ Bit 7 select CALLER ID RAM address up to 256.

11. RD(2.5k RAM address)(read/write)

• Bit 0 ~ Bit 8 are CALLER ID RAM data transfer register.

User can see IOCA register how to select CID RAM banks.

12.

RE(LCD Driver,WDT Control)(read/write)

765

432

1

0

-

/WDTE

/WUP9H

/WUP9L

/WURING

LCD_C2

LCD_1

LCD_M

• Bit0 (LCD_M):LCD_M decides the methods, including duty, bias, and frame frequency.

• Bit1~Bit2 (LCD_C#):LCD_C# decides the LCD display enable or blanking. change the display duty must

set the “LCD_C2,LCD_C1” to “00”.

LCD_C2,LCD_C1

LCD Display Control

LCD_M

duty

bias

0

0

Change duty

0

1/16

1/4

Disable(turn off LCD)

1

1/8

1/4

0

1

Blanking

:

:

1

1

LCD display enable

:

:

• Bit3 unused. Please set to "0"

• Bit4(/WUP9L, PORT9 low nibble Wake Up Enable) : used to enable the wake-up function of low nibble in

PORT9, (1/0=enable/disable)

• Bit5 (/WUP9H, PORT9 high nibble WAKE Up Enable) : used to enable the wake-up function of high

nibble in PORT9, (1/0=enable/disable)

• Bit6 (/WDTE, Watch Dog Timer Enable)

Control bit used to enable Watchdog timer. (1/0=enable/disable)

• Bit7 unused

13. RF (Interrupt Status Register)

765

432

1

0

INT3

-

C8_2

C8_1

INT2

INT1

INT0

TCIF

• “1” means interrupt request, “0” means non-interrupt

• Bit 0 (TCIF) TCC timer overflow interrupt flag. Set when TCC timer overflows .

• Bit 1 (INT0) external INT0 pin interrupt flag .

• Bit 2 (INT1) external INT1 pin interrupt flag .

• Bit 3 (INT2) external INT2 pin interrupt flag .

• Bit 4 (C8_1) internal 8 bit counter interrupt flag .

• Bit 5 (C8_2) internal 8 bit counter interrupt flag .