Datasheet

Section 18 D/A Converter

Rev. 6.00 Mar. 18, 2010 Page 709 of 982

REJ09B0054-0600

18.3.2 D/A Control Register (DACR)

DACR controls D/A converter operation.

Bit Bit Name Initial Value R/W Description

7 DAOE1 0 R/W D/A Output Enable 1

Controls D/A conversion and analog output

0: Analog output DA1 is disabled

1: D/A conversion for channel 1 and analog output DA1 are

enabled

6 DAOE0 0 R/W D/A Output Enable 0

Controls D/A conversion and analog output

0: Analog output DA0 is disabled

1: D/A conversion for channel 0 and analog output DA0 are

enabled

5 DAE 0 R/W D/A Enable

Controls D/A conversion in conjunction with the DAOE0

and DAOE1 bits. When the DAE bit is cleared to 0, D/A

conversion for channels 0 and 1 are controlled individually.

When DAE is set to 1, D/A conversion for channels 0 and 1

are controlled as one. Conversion result output is controlled

by the DAOE0 and DAOE1 bits. For details, see table 18.2.

4 to 0 ⎯ All 1 ⎯ Reserved

These bits are always read as 1 and cannot be modified.

Table 18.2 D/A Conversion Control

Bit 5 Bit 7 Bit 6

DAE DAOE1 DAOE0

Description

0 0 0 Disables D/A Conversion

1 Enables D/A Conversion for channel 0

1 0 Enables D/A Conversion for channel 1

1 Enables D/A Conversion for channels 0 and 1

1 0 0 Disables D/A Conversion

1 Enables D/A Conversion for channels 0 and 1

1 0