EM78P813

8-bit OTP Micro-controller

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* This specification is subject to change without notice.

36

2004/8/19

(V1.6)

PAGE3 Undefined register

This register is not allowed to used.

RE Interrupt flag1 , Data RAM address1(H) CAS , LCD Control , Key Scan ,

PAGE0 Interrupt flag1

7

6

5

4

3

2

1

0

INT7

INT6

INT5

INT4

INT3

INT2

INT1

INT0

Bit 0 (INT0) : External INT0 pin interrupt flag

If PORT70 has a falling edge trigger signal. CPU will set this bit.

Bit 1 (INT1) : External INT1 pin interrupt flag

If PORT71 has a falling edge trigger signal. CPU will set this bit.

Bit 2 (INT2) : External INT2 pin interrupt flag

If PORT72 has a falling edge trigger signal. CPU will set this bit.

Bit 3 (INT3) : External INT3 pin interrupt flag

If PORT73 has a falling edge trigger signal. CPU will set this bit.

Bit 4 (INT4) : External INT4 pin interrupt flag

If PORT74 has a falling edge trigger signal. CPU will set this bit.

Bit 5 (INT5) : External INT5 pin interrupt flag

If PORT75 has a falling edge trigger signal. CPU will set this bit.

Bit 6 (INT6) : External INT6 pin interrupt flag

If PORT76 has a falling edge trigger signal. CPU will set this bit.

Bit 7 (INT7) : External INT7 pin interrupt flag

If PORT77 has a falling (or rising and falling) edge trigger signal. CPU will set this bit.

Signal

Trigger

<Note>

INT0

:

INT6

Falling edge

INT7

Falling/Falling & rising edge

Controlled by CONT register

PAGE1 Data RAM Address1(H)

7

6

5

4

3

2

1

0

RAM1A13 RAM1A12 RAM1A11 RAM1A10 RAM1A9 RAM1A8

Bit 0~Bit 5(RAM1A8 ~ RAM1A13) : Data RAM address (address8 to address13) for RAM reading.

Bit 6~Bit 7 : Unused

PAGE2 CAS , LCD Control , Key Scan

7

6

5

4

3

2

1

0

CAS

KEYSTROB KEYSCAN LCD1

LCD0

LCDM1 LCDM0

Bit 0~Bit 1(LCDM0~LCDM1) : LCD common mode, bias select and COM/SEG switch control bits

LCDM1

LCDM0

COM output mode

LCD bias

COM/SEG switch

0

0

32 common

1/7

COM 16 ~ COM 31 select

0

1

24 common

1/6

COM 16 ~ COM 23 ,

SEG98 ~ SEG 105 select

1

X

16 common

1/5

SEG 98 ~ SEG 111 select

<Note> When 32 LCD common mode is set, COM16/SEG111 pin ~ COM31/SEG98 pin are set to COM16 ~

COM31 and LCD bias is switch 1/7 bias. When 24 LCD common mode is set, COM16 pin ~ COM23/SEG106

pin are set to COM16 ~ COM23 and COM24/SEG105 pin ~ COM31/SEG98 pin are set to SEG105 ~ SEG98.

When 16 LCD common mode is set, COM16 pin ~ COM31/SEG98 pin are set to SEG1131~ SEG98.