HD6433935 Hitachi, HD6433935 Datasheet - Page 331

• Manufacturer Part Number: HD6433935
• Description: 8-Bit MICROCONTROLLER
• Manufacturer: Hitachi

Bit 7: Clock select (CKS)
Bit 7 sets the A/D conversion speed.
Bit 7
CKS
0
1
Note:
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:
Bits 5 and 4: Reserved bits
Bits 5 and 4 are reserved; they are always read as 1, and cannot be modified.
*
*
Operation is not guaranteed if the conversion time is less than 12.4 µs. Set bit 7 for a
value of at least 12.4 µs.
The external trigger (ADTRG) edge is selected by bit INTEG4 of IEGR. See 1. IRQ
edge select register (IEGR) in 3.3.2 for details.
Conversion Period
62/ø (initial value)
31/ø
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*
Conversion Time
ø = 1 MHz
62 µs
31 µs
ø = 5 MHz
12.4 µs
—
(initial value)
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