參數(shù)資料
型號: SAF-XC161CJ-16F40F
廠商: INFINEON TECHNOLOGIES AG
元件分類: 微控制器/微處理器
英文描述: 16-BIT, FLASH, 40 MHz, MICROCONTROLLER, PQFP144
封裝: 0.50 MM PITCH, GREEN, PLASTIC, TQFP-144
文件頁數(shù): 68/88頁
文件大?。?/td> 1191K
代理商: SAF-XC161CJ-16F40F
XC161CJ-16F
Derivatives
Electrical Parameters
Data Sheet
68
V2.4, 2006-08
generation or measurement, lower baudrates, etc.) the deviation caused by the PLL jitter
is negligible.
The value of the accumulated PLL jitter depends on the number of consecutive VCO
output cycles within the respective timeframe. The VCO output clock is divided by the
output prescaler (K = PLLODIV+1) to generate the master clock signal
f
MC. Therefore,
the number of VCO cycles can be represented as K
× N, where N is the number of
consecutive
f
MC cycles (TCM).
For a period of N
× TCM the accumulated PLL jitter is defined by the deviation D
N:
DN [ns] = ±(1.5 + 6.32 × N / fMC); fMC in [MHz], N = number of consecutive TCMs.
So, for a period of 3 TCMs @ 20 MHz and K = 12: D3 = ±(1.5 + 6.32 × 3 / 20) = 2.448 ns.
This formula is applicable for K
× N < 95. For longer periods the K × N = 95 value can be
used. This steady value can be approximated by: DNmax [ns] = ±(1.5 + 600 / (K × fMC)).
Figure 15
Approximated Accumulated PLL Jitter
Note: The bold lines indicate the minimum accumulated jitter which can be achieved by
selecting the maximum possible output prescaler factor K.
Different frequency bands can be selected for the VCO, so the operation of the PLL can
be adjusted to a wide range of input and output frequencies:
MCD05566
N
0
±1
±2
±3
±4
±5
±6
±7
±8
Acc. jitter
D
N
05
10
15
20
25
ns
K = 15
K = 12
K = 10
K = 8
K = 6 K = 5
1
10 MHz
20 MHz
40 MHz
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
SAF-XC161CJ-16F40F BB 功能描述:16位微控制器 - MCU 16 BIT SNGL CHIP 5V 40MHz Flash RoHS:否 制造商:Texas Instruments 核心:RISC 處理器系列:MSP430FR572x 數(shù)據(jù)總線寬度:16 bit 最大時鐘頻率:24 MHz 程序存儲器大小:8 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:2 V to 3.6 V 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:VQFN-40 安裝風(fēng)格:SMD/SMT
SAFXC161CJ16F40FACT 制造商:Infineon Technologies AG 功能描述:MCU 16-Bit XC166 CISC/DSP/RISC 128KB Flash 2.5V/5V 144-Pin TQFP T/R
SAFXC161CJ16F40FBB 制造商:Infineon Technologies AG 功能描述:MCU 16-Bit XC166 CISC/DSP/RISC 128KB Flash 2.5V/5V 144-Pin TQFP
SAF-XC161CJ-16F40FBB 功能描述:16位微控制器 - MCU 128KB Flash 8 KB RAM 2xASC 2xSSC SDLM I2C RoHS:否 制造商:Texas Instruments 核心:RISC 處理器系列:MSP430FR572x 數(shù)據(jù)總線寬度:16 bit 最大時鐘頻率:24 MHz 程序存儲器大小:8 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:2 V to 3.6 V 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:VQFN-40 安裝風(fēng)格:SMD/SMT
SAFXC161CJ16F40FBB TR 制造商:Infineon Technologies AG 功能描述: