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參數(shù)資料
| 型號(hào)： | SAF-XC164TM-8F20F |
| 廠商： | INFINEON TECHNOLOGIES AG |
| 英文描述： | 16-Bit Single-Chip Microcontroller with C166SV2 Core |
| 中文描述： | 16位單片機(jī)與C166SV2核心 |
| 文件頁(yè)數(shù)： | 58/65頁(yè) |
| 文件大?。?/td> | 587K |
| 代理商： | SAF-XC164TM-8F20F |
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XC164TM
Derivatives
Electrical Parameters
Data Sheet
56
V1.0, 2005-11
The used mechanism to generate the master clock is selected by register PLLCON.
CPU and EBC are clocked with the CPU clock signal f
CPU
. The CPU clock can have the
same frequency as the master clock (
f
CPU
=
f
MC
) or can be the master clock divided by
two:
f
CPU
=
f
MC
/ 2. This factor is selected by bit CPSYS in register SYSCON1.
The specification of the external timing (AC Characteristics) depends on the period of the
CPU clock, called “TCP”.
The other peripherals are supplied with the system clock signal
f
SYS
which has the same
frequency as the CPU clock signal
f
CPU
.
Bypass Operation
When bypass operation is configured (PLLCTRL = 0x
B
) the master clock is derived from
the internal oscillator (input clock signal XTAL1) through the input- and output-
prescalers:
f
MC
=
f
OSC
/ ((PLLIDIV+1)
×
(PLLODIV+1)).
If both divider factors are selected as ‘1’ (PLLIDIV = PLLODIV = ‘0’) the frequency of
f
MC
directly follows the frequency of
f
OSC
so the high and low time of
f
MC
is defined by the duty
cycle of the input clock
f
OSC
.
The lowest master clock frequency is achieved by selecting the maximum values for both
divider factors:
f
MC
=
f
OSC
/ ((3 + 1)
×
(14 + 1)) =
f
OSC
/ 60.
Phase Locked Loop (PLL)
When PLL operation is configured (PLLCTRL = 11
B
) the on-chip phase locked loop is
enabled and provides the master clock. The PLL multiplies the input frequency by the
factor
F
(
f
MC
=
f
OSC
×
F
) which results from the input divider, the multiplication factor, and
the output divider (
F
= PLLMUL+1 / (PLLIDIV+1
×
PLLODIV+1)). The PLL circuit
synchronizes the master clock to the input clock. This synchronization is done smoothly,
i.e. the master clock frequency does not change abruptly.
Due to this adaptation to the input clock the frequency of
f
MC
is constantly adjusted so it
is locked to
f
OSC
. The slight variation causes a jitter of
f
MC
which also affects the duration
of individual TCMs.
The timing listed in the AC Characteristics refers to TCPs. Because
f
CPU
is derived from
f
MC
, the timing must be calculated using the minimum TCP possible under the respective
circumstances.
The actual minimum value for TCP depends on the jitter of the PLL. As the PLL is
constantly adjusting its output frequency so it corresponds to the applied input frequency
(crystal or oscillator) the relative deviation for periods of more than one TCP is lower than
for one single TCP (see formula and
Figure 4-6
).
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SAF-XC164TM-8F20F AA | 功能描述:16位微控制器 - MCU 16-Bit Single-Chip 5V 20MHz 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(shí)鐘頻率:24 MHz 程序存儲(chǔ)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 |
| SAFXC164TM8F20FAAXT | 制造商:Infineon Technologies AG 功能描述:MCU 16-Bit XC166 CISC/DSP/RISC 64KB Flash 2.5V/5V 64-Pin TQFP |
| SAF-XC164TM-8F40F | 制造商:Infineon Technologies AG 功能描述:16BIT MCU 64K FLASH SMD 164TM-8 |
| SAF-XC164TM-8F40F AA | 功能描述:IC MCU 16BIT 64KB TQFP-64-8 RoHS:是 類別:集成電路 (IC) >> 嵌入式 - 微控制器， 系列:XC16x 標(biāo)準(zhǔn)包裝:330 系列:- 核心處理器:- 芯體尺寸:8/16-位 速度:40MHz 連通性:UART/USART 外圍設(shè)備:DMA，PWM，WDT 輸入/輸出數(shù):32 程序存儲(chǔ)器容量:- 程序存儲(chǔ)器類型:外部程序存儲(chǔ)器 EEPROM 大小:- RAM 容量:- 電壓 - 電源 (Vcc/Vdd):4.5 V ~ 5.5 V 數(shù)據(jù)轉(zhuǎn)換器:- 振蕩器型:內(nèi)部 工作溫度:-40°C ~ 85°C 封裝/外殼:100-BQFP 包裝:管件 |
| SAF-XC164TM-8F40FAA | 功能描述:16位微控制器 - MCU MICROCONTROLLER 16-BIT 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(shí)鐘頻率:24 MHz 程序存儲(chǔ)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 |
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