HD6433308 Datasheet, PDF (224/349 Pages) Hitachi Semiconductor – Hitachi Single-Chip MicroComputer

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
0
1
Description
Single mode
Scan mode
(Initial value)
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
0
1
Description
Conversion time = 242 states (max.)
Conversion time = 122 states (max.)
(Initial value)
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
Channel select
CH1
CH0
0
0
0
1
1
0
1
1
0
0
0
1
1
0
1
1
Selected channels
Single mode
AN0 (Initial value)
AN1
AN2
AN3
AN4
AN5
AN6
AN7
Scan mode
AN0
AN0, AN1
AN0 to AN2
AN0 to AN3
AN4
AN4, AN5
AN4 to AN6
AN4 to AN7
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