參數(shù)資料
型號： SAK-TC1767-256F133HL
廠商： INFINEON TECHNOLOGIES AG
元件分類： 微控制器/微處理器
英文描述： 32-BIT, FLASH, 133 MHz, RISC MICROCONTROLLER, PQFP176
封裝： 0.50 MM PITCH, GREEN, PLASTIC, LQFP-176
文件頁數(shù)： 14/126頁
文件大?。?/td> 826K
代理商： SAK-TC1767-256F133HL
TC1767
Electrical Parameters
Data Sheet
106
V1.3, 2009-09
5.3.5
Phase Locked Loop (PLL)
Note: All PLL characteristics defined on this and the next page are not subject to
production test, but verified by design characterization.
Phase Locked Loop Operation
When PLL operation is enabled and configured, the PLL clock
f
VCO (and with it the LMB-
Bus clock
f
LMB) is constantly adjusted to the selected frequency. The PLL is constantly
adjusting its output frequency to correspond to the input frequency (from crystal or clock
source), resulting in an accumulated jitter that is limited. This means that the relative
deviation for periods of more than one clock cycle is lower than for a single clock cycle.
This is especially important for bus cycles using waitstates and for the operation of
timers, serial interfaces, etc. For all slower operations and longer periods (e.g. pulse train
generation or measurement, lower baudrates, etc.) the deviation caused by the PLL jitter
is negligible.
Two formulas are defined for the (absolute) approximate maximum value of jitter
D
m in
[ns] dependent on the K2 - factor, the LMB clock frequency
f
LMB in [MHz], and the
number
m of consecutive f
LMB clock periods.
(2)
(3)
Table 20
PLL Parameters (Operating Conditions apply)
Parameter
Symbol
Values
Unit
Note /
Test Con
dition
Min.
Typ.
Max.
Accumulated jitter
|D
m|–
–
7
ns
–
VCO frequency range
f
VCO
400
–
800
MHz –
VCO input frequency range
f
REF
8–
16
MHz –
PLL base frequency
1)
1) The CPU base frequency with which the application software starts after PORST is calculated by dividing the
limit values by 16 (this is the K2 factor after reset).
f
PLLBASE
50
200
320
MHz –
PLL lock-in time
t
L
––
200
s–
for
K2
100
≤
()
and
m
f
LMB MHz
[]
() 2
≤
()
Dmns
[]
740
K2
f
LMB MHz
[]
×
---------------------------------------------5
+
10 01
,
K2
×
–
()
m1
–
()
×
05
,
f
LMB MHz
[] 1
–
×
----------------------------------------------------------------
0 01
,
K2
×
+
×
=
else
Dmns
[]
740
K2
f
LMB MHz
[]
×
---------------------------------------------5
+
=
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
SAK-TC1767-256F133HL AD 功能描述:32位微控制器 - MCU 32 BIT FLASH RoHS:否 制造商:Texas Instruments 核心:C28x 處理器系列:TMS320F28x 數(shù)據(jù)總線寬度:32 bit 最大時鐘頻率:90 MHz 程序存儲器大小:64 KB 數(shù)據(jù) RAM 大小:26 KB 片上 ADC:Yes 工作電源電壓:2.97 V to 3.63 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:LQFP-80 安裝風(fēng)格:SMD/SMT
SAK-TC1767-256F133HLAD 制造商:Infineon Technologies AG 功能描述:
SAK-TC1767-256F80HL 制造商:INFINEON 制造商全稱:Infineon Technologies AG 功能描述:32-Bit Single-Chip Microcontroller
SAK-TC1767-256F80HL AD 功能描述:32位微控制器 - MCU 32 BIT FLASH RoHS:否 制造商:Texas Instruments 核心:C28x 處理器系列:TMS320F28x 數(shù)據(jù)總線寬度:32 bit 最大時鐘頻率:90 MHz 程序存儲器大小:64 KB 數(shù)據(jù) RAM 大小:26 KB 片上 ADC:Yes 工作電源電壓:2.97 V to 3.63 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:LQFP-80 安裝風(fēng)格:SMD/SMT
SAK-TC1767-256F80HLAD 制造商:Rochester Electronics LLC 功能描述: 制造商:Infineon Technologies AG 功能描述:
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