TMP86CS44UG datasheet(155/172 Pages) TOSHIBA

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Page 145

TMP86CS44UG

14. 8-Bit DA Converter (DAC)

The TMP86CS44UG has 1-channel of 8-bit Digital to Analog (DA) converter.

Figure 14-1 8-bit DA converter (DAC)

14.1 Register Configuration

The DA converter are controlled by 2 registers; shown below.

1. DA converter control register (DACCR)

This register controls the analog output. It can be read and written.

2. DA converter data register (DACDR)

This register sets up the digital value conversion by DA converter. It can be read and written.

Note: It is set to power doen by setting DACCR<DADRV0> to “0”.

DA converter control register

DACCR

(002EH)

76543

210

–

“1”

–

DADRV0

–

(Initial value: 0100 0000)

DADRV0

output

0: 0 V output (Power down)

1: DACDR conversion value output

R/W

DA converter data register

DACDR

(002FH)

76543

210

DAO7

DAO6

DAO5

DAO4

DAO3

DAO2

DAO1

DAO0

(Initial value: 0000 0000)

DAO7 to DAO0

DA converter digital data

R/W

(Analog reference voltage)

(Analog output)

DAO

AVDD

AVSS

DA converter data register (DACDR)

DA converter control register (DACCR)

8-bit DA converter

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