H8SSLASH2218 datasheet(587/750 Pages) RENESAS

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Section 15 A/D Converter

Rev.6.00 Jun. 03, 2008 Page 539 of 698

REJ09B0074-0600

Bit

Bit Name Initial Value

R/W

Description

ADIE

R/W

A/D Interrupt Enable

A/D conversion end interrupt (ADI) request enabled

when 1 is set.

ADST

R/W

A/D Start

Clearing this bit to 0 stops A/D conversion, and the A/D

converter enters the wait state.

Setting this bit to 1 starts A/D conversion. It can be set to

1 by software, the timer conversion start trigger, and the

A/D external trigger (

ADTRG). In single mode, this bit is

cleared to 0 automatically when conversion on the

specified channel is complete. In scan mode, conversion

continues sequentially on the specified channels until

this bit is cleared to 0 by software, a reset, a transition to

standby mode, or module stop mode.

SCAN

R/W

Scan Mode

Selects single mode or scan mode as the A/D

conversion operating mode.

0: Single mode

1: Scan mode

CH3

CH2

CH1

CH0

R/W

Channel Select 3 to 0

Select analog input channels.

When SCAN = 0

When SCAN = 1

0000: AN0

0001: AN1

0001: AN0 to AN1

0010: AN2

0010: AN0 to AN2

0011: AN3

0011: AN0 to AN3

××: Setting prohibited

01xx: Setting prohibited

××: Setting prohibited

1xxx: Setting prohibited

××: Setting prohibited

1110: AN14

1111: AN15

Legend:

×: Don’t care

Note: * The write value should always be 0 to clear this flag.

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