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NEC uPD78056Y User Manual

Page 272

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272

CHAPTER 14 A/D CONVERTER

(3) External interrupt mode register 1 (INTM1)

This register sets the valid edge for INTP3 to INTP6.

INTM1 is set with an 8-bit memory manipulation instruction.

RESET input sets INTM1 to 00H.

Figure 14-5. External Interrupt Mode Register 1 Format

ES71

7

ES70

6

ES61 ES60

4

ES51

3

2

1

0

FFEDH

Address

INTM1

Symbol

ES50 ES41 ES40

5

00H

After

Reset

R/W

R/W

ES41

0

0

1

1

ES40

0

1

0

1

INTP3 Valid Edge Selection

Falling edge

Rising edge

Setting prohibited

Both falling and rising edges

ES51

0

0

1

1

ES50

0

1

0

1

INTP4 Valid Edge Selection

Falling edge

Rising edge

Setting prohibited

Both falling and rising edges

ES61

0

0

1

1

ES60

0

1

0

1

INTP5 Valid Edge Selection

Falling edge

Rising edge

Setting prohibited

Both falling and rising edges

ES71

0

0

1

1

ES70

0

1

0

1

INTP6 Valid Edge Selection

Falling edge

Rising edge

Setting prohibited

Both falling and rising edges