SAK-XC161CJ-16F20F INFINEON [Infineon Technologies AG], SAK-XC161CJ-16F20F Datasheet - Page 62

• Manufacturer Part Number: SAK-XC161CJ-16F20F
• Description: 16-Bi t Single-Chip Microcontroller Preliminary
• Manufacturer: INFINEON [Infineon Technologies AG]

Preliminary
Sample time and conversion time of the XC161’s A/D Converter are programmable. In
compatibility mode, the above timing can be calculated using
The limit values for
Table 14
ADCON.15|14
(ADCTC)
00
01
10
11
1)
Converter Timing Example:
Assumptions:
Basic clock
Sample time
Conversion 8-bit
Conversion 10-bit
Data Sheet
These selections are available in compatibility mode. An improved mechanism to control the ADC input clock
can be selected.
A/D Converter Computation Table
A/D Converter
Basic Clock
f
f
f
f
SYS
SYS
SYS
SYS
f
f
t
t
t
f
SYS
BC
S
C8
C10
BC
/ 4
/ 2
/ 16
/ 8
must not be exceeded when selecting ADCTC.
= 40 MHz (i.e.
=
=
=
=
f
t
t
t
SYS
BC
S
S
f
+ 40
+ 48
BC
/ 2 = 20 MHz, i.e.
8 = 400 ns.
t
t
BC
BC
t
+ 2
+ 2
SYS
58
ADCON.13|12
(ADSTC)
00
01
10
11
= 25 ns), ADCTC = ‘01’, ADSTC = ‘00’.
t
t
SYS
SYS
1)
t
BC
= (400 + 2000 + 50) ns = 2.45 s.
= (400 + 2400 + 50) ns = 2.85 s.
= 50 ns.
Sample time
t
t
t
t
t
S
BC
BC
BC
BC
Table
Electrical Parameters
8
16
32
64
14.
Derivatives
V1.0, 2002-03
XC161