参数资料
型号: M38C29FFAHP
元件分类: 微控制器/微处理器
英文描述: 8-BIT, FLASH, 5 MHz, MICROCONTROLLER, PQFP64
封装: 10 X 10 MM, 0.50 MM PITCH, PLASTIC, LQFP-64
文件页数: 79/104页
文件大小: 1327K
代理商: M38C29FFAHP
Rev.2.00
May 28, 2004
page 74 of 100
38C2 Group (A Version)
Table 18 Recommended operating conditions (Flash memory version)
(Vcc = 2.5 to 5.5 V, Ta = – 20 to 85 °C, unless otherwise noted)
Timer X and Timer Y
Input frequency (duty cycle 50%)
Timer X, Timer Y, Timer 1, Timer 2, Timer 3 and
Timer 4 Clock input frequency
(Count source frequency of each timer)
System clock
φ frequency
Main clock input oscillation frequency
(Notes 1, 3)
Sub-clock input oscillation frequency (Notes 1, 2, 3)
f(CNTR0)
f(CNTR1)
f(Tclk)
f(
φ)
f(XIN)
f(XCIN)
Limits
MHz
kHz
Parameter
Min.
1.0
Typ.
32.768
Max.
5.0
2 VCC– 4
VCC
10.0
4 VCC– 8
2 VCC
5.0
2 VCC– 4
VCC
10.0
8.0
50
Symbol
Unit
(4.5 V
≤ VCC ≤ 5.5 V)
(4.0 V
≤ VCC < 4.5 V)
(VCC
< 4.0 V)
(4.5 V
≤ VCC ≤ 5.5 V)
(4.0 V
≤ VCC < 4.5 V)
(VCC
< 4.0 V)
(4.5 V
≤ VCC ≤ 5.5 V)
(4.0 V
≤ VCC < 4.5 V)
(VCC
< 4.0 V)
(4.5 V
≤ VCC ≤ 5.5 V)
(2.5 V
≤ VCC < 4.5 V)
Notes 1: When the oscillation frequency has a duty cycle of 50%.
2: When using the microcomputer in low-speed mode, set the clock input oscillation frequency on condition that f(XCIN) < f(XIN)/3.
3: The oscillation start voltage and the oscillation start time differ in accordance with an oscillator, a circuit constant, or temperature, etc. When power supply
voltage is low and the high frequency oscillator is used, an oscillation start will require sufficient conditions.
Test conditions
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