beautypg.com

Renesas SH7641 User Manual

Page 853

background image

Section 21 A/D Converter

Rev. 4.00 Sep. 14, 2005 Page 803 of 982

REJ09B0023-0400

Bit Bit

Name

Initial
Value R/W Description

10 to 8

 All

0

R

Reserved

These bits are always read as 0. The write value should
always be 0.

7

6

CKS1

CKS0

0

1

R/W

R/W

Clock Select

Selects the A/D conversion time. Clear the ADST bit
to 0 before changing the conversion time.

00: Conversion time = 151 states (maximum)

clock = P

φ/4

01: Conversion time = 285 states (maximum)

clock = P

φ/8

10: Conversion time = 545 states (maximum)

clock = P

φ/16

11: Reserved

5

4

MULTI1

MULTI0

0

0

R/W

R/W

These bits select single mode, multi mode, or scan
mode.

00: Single mode

01: Reserved (setting prohibited)

10: Multi mode

11: Scan mode

3, 2

 All

0

R

Reserved

These bits are always read as 0. The write value should
always be 0.

This manual is related to the following products: