參數(shù)資料
型號: SAL-XC886CLM-8FFA5V
廠商: INFINEON TECHNOLOGIES AG
元件分類: 微控制器/微處理器
英文描述: 8-BIT, FLASH, 80 MHz, MICROCONTROLLER, PQFP48
封裝: GREEN, PLASTIC, TQFP-48
文件頁數(shù): 7/134頁
文件大小: 864K
代理商: SAL-XC886CLM-8FFA5V
SAL-XC886CLM
Functional Description
Data Sheet
97
V1.0, 2010-05
GLOBCTR. A prescaling ratio of 32 can be selected when the maximum performance of
the ADC is not required.
Figure 34
ADC Clocking Scheme
For module clock
f
ADC = 20 MHz, the analog clock fADCI frequency can be selected as
shown in Table 33.
As
f
ADCI cannot exceed 10 MHz, bit field CTC should not be set to 00B when fADC is more
than 20 MHz. During slow-down mode where
f
ADC may be reduced to 10 MHz, 5 MHz
etc., CTC can be set to 00
B as long as the divided analog clock fADCI does not exceed
Table 33
f
ADCI Frequency Selection
Module Clock
f
ADC
CTC
Prescaling Ratio
Analog Clock
f
ADCI
20 MHz
00
B
÷2
10 MHz
01
B
÷3
6.67 MHz
10
B
÷4
5MHz
11
B (default)
÷ 32
625 kHz
analog
components
f
ADCI
f
ADC = fPCLK
MUX
arbiter
registers
interrupts
analog part
digital part
f
ADCD
f
ADCA
32
÷
4
÷
3
÷
clock prescaler
CTC
Condition: f
ADCI
10 MHz, where t
ADCI =
f
ADCI
1
2
÷
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