SAK-XC2264-56F66L INFINEON [Infineon Technologies AG], SAK-XC2264-56F66L Datasheet - Page 82

• Manufacturer Part Number: SAK-XC2264-56F66L
• Description: 16/32-Bit Single-Chip Microcontroller with 32-Bit Performance
• Manufacturer: INFINEON [Infineon Technologies AG]

Preliminary
Sample time and conversion time of the XC226x’s A/D Converters are programmable.
The above timing can be calculated using
The limit values for
Table 16
GLOBCTR.5-0
(DIVA)
000000
000001
000010
:
111110
111111
Converter Timing Example:
Assumptions:
Basic clock
Sample time
Conversion 10-bit:
Conversion 8-bit:
Converter Timing Example:
Assumptions:
Basic clock
Sample time
Conversion 10-bit:
Conversion 8-bit:
Data Sheet
B
B
B
B
B
A/D Converter Computation Table
f
f
t
t
t
f
f
t
t
t
A/D Converter
Basic Clock
f
f
f
f
f
f
SYS
ADCI
S
C10
C8
SYS
ADCI
S
C10
C8
f
SYS
SYS
SYS
SYS
SYS
SYS
ADCI
/ 2
/ 3
/ (DIVA+1)
/ 63
/ 64
must not be exceeded when selecting the prescaler value.
= 66 MHz (i.e.
=
=
= 17 ×
= 15 ×
= 40 MHz (i.e.
=
=
= 20 ×
= 18 ×
f
t
f
t
SYS
ADCI
SYS
ADCI
/ 4 = 16.5 MHz, i.e.
/ 3 = 13.3 MHz, i.e.
× 2 = 121 ns
t
t
× 5 = 375 ns
t
t
f
ADCI
ADCI
ADCI
ADCI
ADCI
= 17 × 60.6 ns = 1.03 µs
= 15 × 60.6 ns = 0.91 µs
= 20 × 75 ns = 1.5 µs
= 18 × 75 ns = 1.35 µs
t
t
SYS
SYS
Table
80
INPCRx.7-0
(STC)
00
01
02
:
FE
FF
= 15.2 ns), DIVA = 03
= 25 ns), DIVA = 02
H
H
H
H
H
16.
t
t
ADCI
ADCI
XC2000 Family Derivatives
= 60.6 ns
= 75 ns
Sample Time
t
t
t
t
t
t
t
S
ADCI
ADCI
ADCI
ADCI
ADCI
ADCI
Electrical Parameters
H
, STC = 03
H
XC2267 / XC2264
, STC = 00
× 2
× 3
× 4
× (STC+2)
× 256
× 257
V0.1, 2007-02
Draft Version
H
H