參數(shù)資料
型號(hào): MB91340PMT
元件分類: 微控制器/微處理器
英文描述: 32-BIT, MROM, 66 MHz, RISC MICROCONTROLLER, PQFP176
封裝: PLASTIC, LQFP-176
文件頁(yè)數(shù): 4/126頁(yè)
文件大小: 1501K
代理商: MB91340PMT
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MB91340/MB91V340
101
4.
AC Characteristics
(1) Clock Timing Ratings
(VCC3
= 3.0 V to 3.6 V , VCC2 = 2.3 V to 2.7 V , VSS = DAVS = AVSS = 0 V, Ta = 10 °C to +70 °C)
*1 : The frequency fluctuation value is the maximum percentage deviation from the preset central frequency when
using the multiplier (when PLL is locked).
*2 : Values are for minimum clock frequency (12.5 MHz) input to X0, oscillation circuit uses PLL, and gear ratio
= 1/16.
Conditions for measuring the clock timing ratings
Parameter
Sym-
bol
Pin
name
Condi-
tion
Value
Unit
Remarks
Min
Max
Clock frequency (1)
fC
X0
X1
12.5
16.5
MHz
Using PLL
(When operating at max in-
ternal frequency (66 MHz)
=
16.5 MHz self-oscillation with
×4 PLL)
Clock cycle time
tC
X0
X1
60.6
ns
Frequency fluctuation*1
(PLL locked)
f
5%
Clock frequency (2)
fC
X0
X1
10
33
MHz
Self-oscillation (1/2 division
input)
Clock frequency (3)
fC
X0
X1
10
33
MHz
External clock
Clock cycle time
tC
X0
X1
40
100
ns
Input clock pulse width
PWH
PWL
X0
X1
16
ns
Input clock rise, fall time
tCR
tCF
X0
X1
8ns
(tCR
+ tCF)
Internal operation clock
frequency
fCP
0.78*2
66
MHz
CPU
fCPP
0.78*2
33
MHz
Peripherals
fCPT
0.78*2
33
MHz
External bus
Internal operation clock cy-
cle time
tCP
15.2
1280*2
ns
CPU
tCPP
30.3
1280*2
ns
Peripherals
tCPT
30.3
1280*2
ns
External bus
+
α
fo
α
f =
× 100 (%)
Central
frequency
0.8 VCC3
0.2 VCC3
tCF
tCR
tC
PWH
PWL
C
= 50 pF
Output pin
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