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| 型号： | SAK-XC164TM-8F40F |
| 厂商： | INFINEON TECHNOLOGIES AG |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 16-BIT, FLASH, 40 MHz, MICROCONTROLLER, PQFP64 |
| 封装： | PLASTIC, TQFP-64 |
| 文件页数： | 55/65页 |
| 文件大小： | 602K |
| 代理商： | SAK-XC164TM-8F40F |
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XC164TM
Derivatives
Electrical Parameters
Data Sheet
57
V1.0, 2005-11
This is especially important for bus cycles using waitstates and e.g. 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.
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:
D
N [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: D
3 = ±(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: D
Nmax [ns] = ±(1.5 + 600 / (K × fMC)).
Figure 4-6
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.
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
相关PDF资料 |
PDF描述 |
|---|---|
| SAK-XC164TM-8F20F | 16-BIT, FLASH, 20 MHz, MICROCONTROLLER, PQFP64 |
| SAB80286-12-N | 16-BIT, 12.5 MHz, MICROPROCESSOR, PQCC68 |
| SAB8031A-16-N | 8-BIT, 16 MHz, MICROCONTROLLER, PQCC44 |
| SAB8051A-16-P | 8-BIT, MROM, 16 MHz, MICROCONTROLLER, PDIP40 |
| SAB8051A-16-N | 8-BIT, MROM, 16 MHz, MICROCONTROLLER, PQCC44 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| SAK-XC167CI-16F20F | 制造商:INFINEON 制造商全称:Infineon Technologies AG 功能描述:16-Bi t Single-Chip Microcontroller Preliminary |
| SAK-XC167CI-16F20F BB | 功能描述:16位微控制器 - MCU MICROCONTROLLER 16-BIT RoHS:否 制造商:Texas Instruments 核心:RISC 处理器系列:MSP430FR572x 数据总线宽度:16 bit 最大时钟频率:24 MHz 程序存储器大小:8 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:2 V to 3.6 V 工作温度范围:- 40 C to + 85 C 封装 / 箱体:VQFN-40 安装风格:SMD/SMT |
| SAK-XC167CI-16F40F | 制造商:Infineon Technologies AG 功能描述: |
| SAK-XC167CI-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 处理器系列:MSP430FR572x 数据总线宽度:16 bit 最大时钟频率:24 MHz 程序存储器大小:8 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:2 V to 3.6 V 工作温度范围:- 40 C to + 85 C 封装 / 箱体:VQFN-40 安装风格:SMD/SMT |
| SAKXC167CI16F40FBB | 制造商:Infineon Technologies AG 功能描述: |
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