3886 datasheet(239/380 Pages) RENESAS

239 / 380 page

3886 Group User’s Manual

APPLICATION

2.8 D-A Converter

2-122

2.8.2 Relevant registers

Fig. 2.8.2 Structure of Port P5 direction register

Fig. 2.8.3 Structure of AD/DA control register

Port P5 direction register

b7 b6 b5 b4 b3 b2 b1 b0

Port P5 direction register

(P5D: address 0B16)

0 : Port P50 input mode

1 : Port P50 output mode

Name

Functions

At reset R W

0 : Port P52 input mode

1 : Port P52 output mode

0 : Port P53 input mode

1 : Port P53 output mode

0 : Port P54 input mode

1 : Port P54 output mode

0 : Port P55 input mode

1 : Port P55 output mode

0 : Port P56 input mode

1 : Port P56 output mode

0 : Port P57 input mode

1 : Port P57 output mode

Port P5 direction

0 : Port P51 input mode

1 : Port P51 output mode

AD/DA control register

b7 b6 b5 b4 b3 b2 b1 b0

AD/DA control register

(ADCON: address 3416)

Name

Functions

At reset R W

Analog input pin

selection bits

b2 b1 b0

0 0 0: P60/AN0

0 0 1: P61/AN1

0 1 0: P62/AN2

0 1 1: P63/AN3

1 0 0: P64/AN4

1 0 1: P65/AN5

1 1 0: P66/AN6

1 1 1: P67/AN7

PWM0 output pin

selection bit

0: P56/PWM01

1: P30/PWM00

AD conversion

completion bit

0: Conversion in progress

1: Conversion completed

DA1 output enable

bit

0: DA1 output disabled

1: DA1 output enabled

DA2 output enable

bit

0: DA2 output disabled

1: DA2 output enabled

PWM1 output pin

selection bit

0: P57/PWM11

1: P31/PWM10

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