HD6432670 Hitachi, HD6432670 Datasheet - Page 760

• Manufacturer Part Number: HD6432670
• Description: (HD64F267x Series) 16-Bit Microcomputer
• Manufacturer: Hitachi

Bit
5
4
3
Rev. 2.0, 04/02, page 714 of 906
Bit Name
ADST
SCAN
CKS
Initial Value
0
0
0
R/W
R/W
R/W
R/W
Description
A/D Start
Clearing this bit to 0 stops A/D conversion, and
the A/D converter enters wait state. When this bit
is set to 1 by software, TPU (trigger), TMR
(trigger), or the
This bit remains set to 1 during A/D conversion. In
single mode, cleared to 0 automatically when
conversion on the specified channel ends. In
scan mode, conversion continues sequentially on
the specified channels until this bit is cleared to 0
by a reset, or a transition to hardware standby
mode or software.
Scan Mode
Selects single mode or scan mode as the A/D
conversion operating mode.
0: Single mode
1: Scan mode
Clock Select
Used together with the CKS1 bit in ADCR to set
the A/D conversion time.
When CKS1 = 0
0: 530 states (max)
1: 68 states (max)
When CKS = 1
0: 266 states (max)
1: 134 states (max)
$'75*
pin, A/D conversion starts.