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參數(shù)資料
| 型號： | SAF-C161O-L25M HA |
| 廠商： | Infineon Technologies |
| 文件頁數(shù)： | 36/66頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC MCU 16BIT ROM/LESS MQFP-80-1 |
| 標準包裝： | 1 |
| 系列： | C16xx |
| 核心處理器： | C166 |
| 芯體尺寸： | 16-位 |
| 速度： | 25MHz |
| 連通性： | EBI/EMI，SPI，UART/USART |
| 外圍設備： | POR，PWM，WDT |
| 輸入/輸出數(shù)： | 63 |
| 程序存儲器類型： | ROMless |
| RAM 容量： | 2K x 8 |
| 電壓 - 電源 (Vcc/Vdd)： | 4.5 V ~ 5.5 V |
| 振蕩器型： | 外部 |
| 工作溫度： | -40°C ~ 85°C |
| 封裝/外殼： | 80-QFP |
| 包裝： | 剪切帶 (CT) |
| 產品目錄頁面： | 736 (CN2011-ZH PDF) |
| 其它名稱： | SAF-C161O-L25MHACT SAF-C161O-L25MHACT-ND SAF-C161O-L25MHAINCT |
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C161K
C161O
Data Sheet
37
V2.0, 2001-01
Prescaler Operation
When prescaler operation is configured (CLKCFG = 1XXB) the CPU clock is derived
from the internal oscillator (input clock signal) by a 2:1 prescaler.
The frequency of
fCPU is half the frequency of fOSC and the high and low time of fCPU (i.e.
the duration of an individual TCL) is defined by the period of the input clock
fOSC.
The timings listed in the AC Characteristics that refer to TCLs therefore can be
calculated using the period of
fOSC for any TCL.
Direct Drive
When direct drive is configured (CLKCFG = 0XXB) the CPU clock is directly driven from
the internal oscillator with the input clock signal.
The frequency of
fCPU directly follows the frequency of fOSC so the high and low time of
fCPU (i.e. the duration of an individual TCL) is defined by the duty cycle of the input clock
fOSC.
The timings listed below that refer to TCLs therefore must be calculated using the
minimum TCL that is possible under the respective circumstances. This minimum value
can be calculated via the following formula:
TCLmin = 1/fOSC × DCmin
(DC = duty cycle)
For two consecutive TCLs the deviation caused by the duty cycle of
fOSC is compensated
so the duration of 2TCL is always 1/
fOSC. The minimum value TCLmin therefore has to
be used only once for timings that require an odd number of TCLs (1, 3, …). Timings that
require an even number of TCLs (2, 4, …) may use the formula 2TCL = 1/
fOSC.
Table 9
C161K/O Clock Generation Modes
CLKCFG
(P0H.7-5)
CPU Frequency
fCPU = fOSC × F
External Clock
Input Range
Notes
0X X
fOSC × 1
1 to 25 MHz
Direct drive1)
1X X
fOSC / 2
2 to 50 MHz
CPU clock via prescaler
1) The maximum frequency depends on the duty cycle of the external clock signal.
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| SAF-C161O-LM | 制造商:Infineon Technologies AG 功能描述:16BIT MCU ROM/ROMLESS MQFP80 161 |
| SAF-C161O-LM 3V | 制造商:Infineon Technologies AG 功能描述:16BIT MCU ROM/ROMLESS MQFP80 161 |
| SAF-C161O-LM 3V HA | 功能描述:16位微控制器 - MCU 16-Bit Single-Chip 3.3V 20MHz ROM less 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 安裝風格:SMD/SMT |
| SAF-C161O-LM HA | 功能描述:16位微控制器 - MCU 16BIT SNGLChip MICRO CONTROLLER 5V 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 安裝風格:SMD/SMT |
| SAFC161OLM3V | 制造商:Infineon Technologies AG 功能描述: |
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