參數(shù)資料
型號： M38C89EFFP
元件分類： 微控制器/微處理器
英文描述： 8-BIT, OTPROM, 4 MHz, MICROCONTROLLER, PQFP144
封裝： 20 X 20 MM, 0.50 MM PITCH, PLASTIC, LQFP-144
文件頁數(shù)： 40/54頁
文件大小： 805K
代理商： M38C89EFFP
45
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
MITSUBISHI MICROCOMPUTERS
38C8 Group
Table 13 Recommended operating conditions (mask ROM version) (Vcc = 2.2 to 5.5 V, Ta = –20 to 85°C, unless otherwise noted)
Timer X, timer Y input frequency (duty cycle 50%)
Main clock input oscillation frequency (Note 1)
Sub-clock input oscillation frequency (Notes 1, 2)
f(CNTR0)
f(CNTR1)
f(XIN)
f(XCIN)
Limits
Hz
MHz
kHz
Parameter
Min.
Typ.
32.768
Max.
f(XIN)/2
8.0
2.9VCC–3.6
8.0
8(VCC–1.7)
50
Symbol
Unit
High-speed mode
(4.0 V
≤ VCC ≤ 5.5 V)
High-speed mode
(2.2 V
≤ VCC < 4.0 V)
Middle-speed mode
(2.7 V
≤ VCC ≤ 5.5 V)
Middle-speed mode
(2.2 V
≤ VCC < 2.7 V)
Notes 1: When the oscillation frequency has a duty cycle of 50 %.
2: When using the microcomputer in low-speed mode, set the sub-clock input oscillation frequency on condition that f(XCIN) < f(XIN)/3.
Table 14 Recommended operating conditions (PROM version) (Vcc = 2.5 to 5.5 V, Ta = –20 to 85°C, unless otherwise noted)
Timer X, timer Y input frequency (duty cycle 50%)
Main clock input oscillation frequency (Note 1)
Sub-clock input oscillation frequency (Notes 1, 2)
f(CNTR0)
f(CNTR1)
f(XIN)
f(XCIN)
Limits
Hz
MHz
kHz
Parameter
Min.
Typ.
32.768
Max.
f(XIN)/2
8.0
4VCC–8
8.0
20(VCC–2.3)
50
Symbol
Unit
High-speed mode
(4.0 V
≤ VCC ≤ 5.5 V)
High-speed mode
(2.5 V
≤ VCC < 4.0 V)
Middle-speed mode
(2.7 V
≤ VCC ≤ 5.5 V)
Middle-speed mode
(2.5 V
≤ VCC < 2.7 V)
Notes 1: When the oscillation frequency has a duty cycle of 50 %.
2: When using the microcomputer in low-speed mode, set the sub-clock input oscillation frequency on condition that f(XCIN) < f(XIN)/3.
Conditions
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