Renesas Renasas Single-Chip Microcomputer SH7086 Manual do Utilizador descarregar pdf (Página 16)

SH7080 Group

A/D Conversion in Single-cycle Scan Mode

REJ06B0699-0100/Rev.1.00 January 2008 Page 14 of 19

(2) A/D Control Register _0 (ADCR_0)

Function: Controls the start of A/D conversion.

Set value: H'0000

Bit Bit Name Set Value Description

15, 14  All 0 Reserved

13 ADST 0

A/D start.

When cleared to 0, the A/D conversion is stopped and the A/D

converter enter the idle state.

When set to 1, A/D conversion is started.

Cleared automatically in single mode upon completion of A/D

conversion on the selected channel.

12 to 0  All 0 Reserved

(3) A/D Trigger Select Register _0 (ADTSR_0)

Function: Enables an external trigger for the start of A/D conversion.

Set value: H'0000 (initial value)

This sample application does not use an external trigger. Thus, this register is not set and its initial values are used as-is.

Bit Bit Name Initial Value Description

15 to 12 TRG11S[3:0] 0000 A/D Trigger 1 Group 1 Select 3 to 0.

Select an external trigger, MTU2 trigger or MTU2S trigger to start

A/D conversion for group 1 when A/D module 1 is in 2-channel

scan mode.

11 to 8 TRG01S[3:0] 0000 A/D Trigger 0 Group 1 Select 3 to 0.

Select an external trigger, MTU2 trigger or MTU2S trigger to start

A/D conversion for group 1 when A/D module 0 is in 2-channel

scan mode.

7 to 4 TRG1S[3:0] 0000 A/D Trigger 1 Select 3 to 0.

Select an external trigger, MTU2 trigger or MTU2S trigger to start

A/D conversion for A/D module 1.

3 to 0 TRG0S[3:0] 0000 A/D Trigger 0 Select 3 to 0.

Select an external trigger, MTU2 trigger or MTU2S trigger to start

A/D conversion for A/D module 1.

1 2 ... 11 12 13 14 15 16 17 18 19 20 21

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