HD6433308 HITACHI [Hitachi Semiconductor], HD6433308 Datasheet - Page 224

• Manufacturer Part Number: HD6433308
• Description: Hitachi Single-Chip MicroComputer
• Manufacturer: HITACHI [Hitachi Semiconductor]

Bit 4 – Scan Mode (SCAN): This bit selects the scan mode or single mode of operation.
See Section 10.3, “Operation” for descriptions of these modes.
The mode should be changed only when the ADST bit is cleared to “0.”
Bit 4
SCAN
Bit 3 – Clock Select (CKS): This bit controls the A/D conversion time.
The conversion time should be changed only when the ADST bit is cleared to “0.”
Bit 3
CKS
Bits 2 to 0 – Channel Select 2 to 0 (CH2 to CH0): These bits and the SCAN bit combine to select
one or more analog input channels.
The channel selection should be changed only when the ADST bit is cleared to “0.”
Group select
CH2
0
1
0
1
0
1
Description
Single mode
Scan mode
Description
Conversion time = 242 states (max.)
Conversion time = 122 states (max.)
Channel select
CH1
0
0
1
1
0
0
1
1
CH0
0
1
0
1
0
1
0
1
Selected channels
Single mode
AN
AN
AN
AN
AN
AN
AN
AN
0
1
2
3
4
5
6
7
(Initial value)
212
Scan mode
AN
AN
AN
AN
AN
AN
AN
AN
0
0
0
0
4
4
4
4
, AN
, AN
to AN
to AN
to AN
to AN
1
5
2
3
6
7
(Initial value)
(Initial value)