SAF-XC164GM-8F20F INFINEON [Infineon Technologies AG], SAF-XC164GM-8F20F Datasheet - Page 58

• Manufacturer Part Number: SAF-XC164GM-8F20F
• Description: 16-Bit Single-Chip Microcontroller with C166SV2 Core
• Manufacturer: INFINEON [Infineon Technologies AG]

Sample time and conversion time of the XC164GM’s A/D Converter are programmable.
In compatibility mode, the above timing can be calculated using
The limit values for
Table 4-7
ADCON.15|14
(ADCTC)
00
01
10
11
1) These selections are available in compatibility mode. An improved mechanism to control the ADC input clock
Converter Timing Example:
Assumptions:
Basic clock
Sample time
Conversion 10-bit:
With post-calibr. t
Post-calibr. off
Conversion 8-bit:
With post-calibr. t
Post-calibr. off
Data Sheet
can be selected.
A/D Converter Computation Table
f
f
t
t
t
A/D Converter
Basic Clock
f
f
f
f
SYS
BC
S
C10P
C10
C8P
C8
f
SYS
SYS
SYS
SYS
BC
must not be exceeded when selecting ADCTC.
/ 4
/ 2
/ 16
/ 8
= 40 MHz (i.e. t
= f
= t
= 52
= 40
= 44
= 32
SYS
BC
/ 2 = 20 MHz, i.e.
t
t
t
t
f
8 = 400 ns
BC
BC
BC
BC
BC
+
+
+
+
t
t
t
t
S
S
S
S
+ 6
+ 6
+ 6
+ 6
SYS
56
ADCON.13|12
(ADSTC)
00
01
10
11
= 25 ns), ADCTC = ‘01’, ADSTC = ‘00’
t
t
t
t
SYS
SYS
SYS
SYS
t
BC
= (2600 + 400 + 150) ns = 3.15 s
= (2000 + 400 + 150) ns = 2.55 s
= (2200 + 400 + 150) ns = 2.75 s
= (1600 + 400 + 150) ns = 2.15 s
1)
= 50 ns
Sample Time
t
t
t
t
t
S
BC
BC
BC
BC
Electrical Parameters
Table
8
16
32
64
4-7.
Derivatives
V1.0, 2005-11
XC164GM