參數(shù)資料
型號(hào): SAA-XC886LM-6FFA5V
廠商: INFINEON TECHNOLOGIES AG
元件分類: 微控制器/微處理器
英文描述: 8-BIT, FLASH, 96 MHz, MICROCONTROLLER, PQFP48
封裝: GREEN, PLASTIC, TQFP-48
文件頁數(shù): 7/134頁
文件大?。?/td> 4390K
代理商: SAA-XC886LM-6FFA5V
SAA-XC886CLM
Functional Description
Data Sheet
97
V1.1, 2010-08
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 = 24 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
24 MHz. During slow-down mode where
f
ADC may be reduced to 12 MHz, 6 MHz etc.,
CTC can be set to 00
B as long as the divided analog clock fADCI does not exceed 10 MHz.
Table 33
f
ADCI Frequency Selection
Module Clock
f
ADC
CTC
Prescaling Ratio
Analog Clock
f
ADCI
24 MHz
00
B
÷ 2
12 MHz (N.A)
01
B
÷3
8MHz
10
B
÷4
6MHz
11
B (default)
÷ 32
750 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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