Datasheet

13 - A/D CONVERTER ST10F269
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Table 27 : ADC Sample Clock and Conversion Clock (TQFP144 devices)
Notes: 1. Section 21.4.5 -: Direct Drive for TCL definition.
2. t
CC
= TCL x 24
ADCON 15/14
ADCTC
Conversion Clock t
CC
ADCON 13/12
ADSTC
Sample Clock t
SC
TCL
1
= 1/2 x f
XTAL
At f
CPU
= 32MHz t
SC
=At f
CPU
= 32MHz
00 TCL x 24 0.375µs00 t
CC
0.375µs
2
01 Reserved, do not use Reserved 01 t
CC
x 2
0.75µs
2
10 TCL x 96 1.5 µs10t
CC
x 4
1.50µs
2
11 TCL x 48 0.75 µs11 t
CC
x 8
3.00µs
2