SH7018 datasheet(281/431 Pages) RENESAS

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• Bit 3—Clock Select (CKS): Sets the A/D conversion time. Change the conversion time only

when ADST = 0.

Bit 3: CKS

Description

Conversion time = 266 states (max.)

(Initial value)

Conversion time = 134 states (max.)

• Bits 2 to 0—Channel Select 2 to 0 (CH2 to CH0): These bits, along with the SCAN bit, select

the analog input channel.

Change the channel selection only when ADST = 0.

Description

Bit 2: CH2

Bit 1: CH1

Bit 0: CH0

Single Mode

Scan Mode

AN0

(Initial value)

AN0

(Initial value)

AN1

AN0, AN1

AN2

AN0 to AN2

AN3

AN0 to AN3

AN4

AN5

AN4, AN5

AN6

AN4 to AN6

AN7

AN4 to AN7

13.2.3

A/D Control Register (ADCR)

The A/D control register (ADCR) is an 8-bit read/write register that enables or disables starting of

A/D conversion by MTU trigger input. The ADCR is initialized to H'7F by a power-on reset.

Bit:

TRGE

—

Initial value:

R/W:

R/W

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