HD6433640 HITACHI [Hitachi Semiconductor], HD6433640 Datasheet - Page 360

• Manufacturer Part Number: HD6433640
• Description: H8/3644 Series Hardware Manual
• Manufacturer: HITACHI [Hitachi Semiconductor]

Bit 6—External Trigger Select (TRGE): Bit 6 enables or disables the start of A/D conversion by
external trigger input.
Bit 6: TRGE
0
1
Note: * The external trigger (
Bits 5 and 4—Reserved Bits: Bits 5 and 4 are reserved; they are always read as 1, and cannot be
modified.
Bits 3 to 0—Channel Select (CH3 to CH0): Bits 3 to 0 select the analog input channel.
The channel selection should be made while bit ADSF is cleared to 0.
Bit 3:
CH3
0
1
Note: * Don’t care
Edge Select Register 2 (IEGR2) for details.
Bit 2:
CH2
0
1
0
1
Description
Disables start of A/D conversion by external trigger
Enables start of A/D conversion by rising or falling edge of external trigger at
pin ADTRG*
Bit 1:
CH1
*
0
1
0
1
0
1
ADTRG
) edge is selected by bit INTEG5 of IEGR2. See 3.3.2 Interrupt
Bit 0:
CH0
*
0
1
0
1
0
1
0
1
0
1
0
1
Analog Input Channel
No channel selected
AN
AN
AN
AN
AN
AN
AN
AN
Reserved
Reserved
Reserved
Reserved
0
1
2
3
4
5
6
7
(initial value)
(initial value)
355