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Section 12 A/D Converter
Rev. 6.00 Sep 12, 2006 page 349 of 526
REJ09B0326-0600
Bit 7
Clock Select (CKS):
Bit 7 sets the A/D conversion speed.
Conversion
Time
Bit 7: CKS
Conversion Period
φφφφ
= 2 MHz
φφφφ
= 5 MHz
φφφφ
= 8 MHz
*
1
0 62/
φ
(initial value)
31 µs
12.4 µs
7.75 µs
1 31/
φ
15.5
µs
*
2
Notes: 1. Applies only to F-ZTAT, R of the ZTAT, and R of the mask ROM version.
2. 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.
Bit 6
External Trigger Select (TRGE):
Bit 6 enables or disables the start of A/D conversion by
external trigger input.
Bit 6: TRGE
Description
0
Disables start of A/D conversion by external trigger
(initial value)
1
Enables start of A/D conversion by rising or falling edge of external trigger at
pin
ADTRG
*
Note:
*
The external trigger (
ADTRG
) edge is selected by bit INTEG5 of IEGR2. See section
3.3.2, Interrupt Edge Select Register 2 (IEGR2) for details.
Bits 5 and 4
Reserved Bits:
Bits 5 and 4 are reserved; they are always read as 1, and cannot be
modified.
Summary of Contents for F-ZTAT H8/3642A Series
Page 6: ...Rev 6 00 Sep 12 2006 page iv of xx ...
Page 8: ...Rev 6 00 Sep 12 2006 page vi of xx ...
Page 22: ...Rev 6 00 Sep 12 2006 page xx of xx ...
Page 124: ...Section 5 Power Down Modes Rev 6 00 Sep 12 2006 page 102 of 526 REJ09B0326 0600 ...
Page 188: ...Section 6 ROM Rev 6 00 Sep 12 2006 page 166 of 526 REJ09B0326 0600 ...
Page 190: ...Section 7 RAM Rev 6 00 Sep 12 2006 page 168 of 526 REJ09B0326 0600 ...
Page 298: ...Section 9 Timers Rev 6 00 Sep 12 2006 page 276 of 526 REJ09B0326 0600 ...
Page 378: ...Section 12 A D Converter Rev 6 00 Sep 12 2006 page 356 of 526 REJ09B0326 0600 ...
Page 446: ...Section 13 Electrical Characteristics Rev 6 00 Sep 12 2006 page 424 of 526 REJ09B0326 0600 ...