参数资料
型号: SAB-C161S-LM 3V AA
厂商: Infineon Technologies
文件页数: 47/75页
文件大小: 0K
描述: IC MICROCONTROLLER 16BIT MQFP80
标准包装: 850
系列: C16xx
核心处理器: C166
芯体尺寸: 16-位
速度: 20MHz
连通性: EBI/EMI,SPI,UART/USART
外围设备: POR,PWM,WDT
输入/输出数: 63
程序存储器类型: ROMless
RAM 容量: 2K x 8
电压 - 电源 (Vcc/Vdd): 3 V ~ 3.6 V
振荡器型: 外部
工作温度: 0°C ~ 70°C
封装/外壳: 80-QFP
包装: 带卷 (TR)
其它名称: B161SLM3VAAXT
C161SLM3VAABAUMA1
C161SLM3VAABXUMA1
SABC161SLM3VAAXT
SP000014946
C161S
Timing Characteristics
Data Sheet
47
V1.0, 2003-11
Direct Drive
When direct drive is configured (CLKCFG = 011
B) the on-chip phase locked loop is
disabled and the CPU clock is directly driven from the internal oscillator with the input
clock signal.
The frequency of
f
CPU directly follows the frequency of fOSC so the high and low time of
f
CPU (i.e. the duration of an individual TCL) is defined by the duty cycle of the input clock
f
OSC.
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:
TCL
min = 1/fOSC × DCmin (DC = duty cycle)
(2)
For two consecutive TCLs the deviation caused by the duty cycle of
f
OSC is compensated
so the duration of 2TCL is always 1/
f
OSC. 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/
f
OSC.
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