参数资料
型号: MB90F498GPFM
元件分类: 微控制器/微处理器
英文描述: 16-BIT, FLASH, 16 MHz, MICROCONTROLLER, PQFP64
封装: PLASTIC, LQFP-64
文件页数: 8/90页
文件大小: 849K
代理商: MB90F498GPFM
MB90495G Series
16
Figure 1 - Timing Chart of Undefined Output from Ports 0/1 (with RST pin set to “H”)
Figure 2 - Timing Chart of High Impedance State for Ports 0/1 (when RST pin is “L”)
Caution on Operations during PLL Clock Mode
If the PLL clock mode is selected in the microcontroller, it may attempt to continue the operation using the free-
running frequency of the automatic oscillating circuit in the PLL circuitry even if the oscillator is out of place or
the clock input is stopped. Performance of this operation, however, cannot be guaranteed.
VCC (power supply pin)
PONR (power-on reset) signal
RST (external asynchronous reset) signal
RST (internal reset) signal
Oscillation clock signal
KA (internal operating clock A) signal
KB (internal operating clock B) signal
PORT (port output) signal
Time in standby for oscillation to stabilize
*2
Time in standby for step-
down circuit to stabilize
*1
Time of undefined output
*1 : Step-down circuit stabilization standby time : 217/oscillation clock frequency
(with 16-MHz oscillation clock frequency, about 8.19 ms)
*2 : Oscillation stabilization standby time : 218/oscillation clock frequency
(with 16-MHz oscillation clock frequency, about 16.36 ms)
VCC (power supply pin)
PONR (power-on reset) signal
RST (external asynchronous reset) signal
RST (internal reset) signal
Oscillation clock signal
KA (internal operation clock A) signal
KB (internal operating clock B) signal
PORT (port output) signal
Time in standby for oscillation to stabilize
*2
Step-down circuit
stabilization standby time
*1
High impedance
*1 : Step-down circuit stabilization standby time : 217/oscillation clock frequency
(with 16-MHz oscillation clock frequency, about 8.19 ms)
*2 : Oscillation stabilization standby time : 218/oscillation clock frequency
(with 16-MHz oscillation clock frequency, about 16.38 ms)
相关PDF资料
PDF描述
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