參數(shù)資料
型號(hào)： MC13214R2
廠商： FREESCALE SEMICONDUCTOR INC
元件分類： 微控制器/微處理器
英文描述： SPECIALTY MICROPROCESSOR CIRCUIT, BGA71
封裝： 9 X 9 MM, 1 MM HEIGHT, ROHS COMPLIANT, LGA-71
文件頁數(shù)： 53/70頁
文件大小： 802K
代理商： MC13214R2
MC13211/212/213/214 Technical Data, Rev. 0.0,
Freescale Semiconductor
57
6.3.5
MCU ICG Frequency Specifications
Table 16. MCU ICG Frequency Specifications
(VDDA = VDDA (min) to VDDA (max), Temperature Range = –40 to 85°C Ambient)
Characteristic
Symbol
Min
Typical
Max
Unit
Oscillator crystal or resonator (REFS = 1)
(Fundamental mode crystal or ceramic resonator)
Low range
High range , FLL bypassed external (CLKS = 10)
High range , FLL engaged external (CLKS = 11)
flo
fhi_byp
fhi_eng
32
2
—
100
16
10
kHz
MHz
Input clock frequency (CLKS = 11, REFS = 0)
Low range
High range
flo
fhi_eng
32
2
—
100
10
kHz
MHz
Input clock frequency (CLKS = 10, REFS = 0)
fExtal
0—
40
MHz
Internal reference frequency (untrimmed)
fICGIRCLK
182.25
243
303.75
kHz
Duty cycle of input clock 4 (REFS = 0)
tdc
40
—
60
%
Output clock ICGOUT frequency
CLKS = 10, REFS = 0
All other cases
fICGOUT
fExtal (min)
flo (min)
fExtal (max)
fICGDCLKma
x(max)
MHz
Minimum DCO clock (ICGDCLK) frequency
fICGDCLKmin
8—
MHz
Maximum DCO clock (ICGDCLK) frequency
fICGDCLKma
x
—40
MHz
Self-clock mode (ICGOUT) frequency 1
fSelf
fICGDCLKmin
fICGDCLKma
x
MHz
Self-clock mode reset (ICGOUT) frequency
fSelf_reset
5.5
8
10.5
MHz
Loss of reference frequency 2
Low range
High range
fLOR
5
50
25
500
kHz
Loss of DCO frequency 3
fLOD
0.5
1.5
MHz
Crystal start-up time 4, 5
Low range
High range
t
CSTL
t
CSTH
—
430
4
—
ms
FLL lock time 4, 6
Low range
High range
tLockl
tLockh
—
2
ms
FLL frequency unlock range
nUnlock
–4*N
4*N
counts
FLL frequency lock range
nLock
–2*N
2*N
counts
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