參數(shù)資料
型號(hào): SAF-TC1910-LEBBA
廠商: INFINEON TECHNOLOGIES AG
元件分類: 微控制器/微處理器
英文描述: 32-BIT, 66 MHz, RISC MICROCONTROLLER, PBGA208
封裝: PLASTIC, LBGA-208
文件頁(yè)數(shù): 42/68頁(yè)
文件大小: 2700K
代理商: SAF-TC1910-LEBBA
TC1910
PRELIMINARY
Data Sheet
43
V 1.0, 2003-10
PLL Parameters
Note: When TC1910 starts-up with the PLL not bypassed, first user instructions are
executed with the frequency defined by the VCO free-running frequency
(
fPLLBASE) and by the reset value of the PLL_CLC register (the K-divider and
VCOSEL bitfields). It is software responsibility to initialize its own appropriate
values in the bitfields in this register, before giving the command for the VCO to
lock to the input frequency. For more information, see the Users Manual, System
Units, System Control Unit chapter.
Parameter
Symbol
Limit Values1)
1)
Not subject to production test, verified by design/characterization.
Unit
min.
max.
Accumulated jitter
DN
VCO frequency range
fVCO
100
1502)
2)
@ vcosel = ’00’
MHz
150
2003)
3)
@ vcosel = ’01’
MHz
200
2504)
4)
@ vcosel = ’10’
MHz
250
3005)
5)
@ vcosel = ’11’
MHz
PLL base frequency
fPLLBASE
20
MHz
20
1303)
MHz
20
1804)
MHz
20
2305)
MHz
PLL lock-in time
tL
200
s
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