参数资料
型号: MB91F356BPMT
元件分类: 微控制器/微处理器
英文描述: RISC MICROCONTROLLER, PQFP176
封装: 24 X 24 MM, 1.70 MM HEIGHT, 0.50 MM PPITCH, LEAD FREE, PLASTIC, LQFP-176
文件页数: 139/140页
文件大小: 3803K
代理商: MB91F356BPMT
MB91350A Series
98
DS07-16503-5E
4.
AC Characteristics
(1) Clock Timing
(VCC
= 3.0 V to 3.6 V, VCC = 2.7 V to 3.6 V (MB91F356B/F357B only) ,
VSS
= DAVS = AVSS = 0 V, Ta = 40 °C to + 85 °C)
* : The values assume a gear cycle of 1/16.
Conditions for measuring the clock timing ratings
Parameter
Symbol
Pin
name
Conditions
Value
Unit
Remarks
Min
Typ
Max
Clock
frequency
fC
X0,
X1
10
12.5
MHz
MAIN PLL
(When operating at max
internal frequency
(50 MHz)
= 12.5 MHz
self-oscillation with
×
4 PLL)
Clock cycle time
tC
80
100
ns
Clock
frequency
fC
10
25
MHz
MAIN self-oscillation
(frequency-halved input)
Internal operating
clock frequency
fCP
When a minimum
value of 12.5 MHz is
input as the X0 clock
frequency and x4
multiplication is set
for the PLL of the
oscillator circuit
3.13*
50
MHz
CPU
fCPP
25
Peripheral
fCPT
External bus
Internal operating
clock cycle time
tCP
20
320*
ns
CPU
tCPP
40
Peripheral
tCPT
External bus
Clock
frequency
fC
X0A,
X1A
30
32.768
35
kHz
SUB self-oscillation
Clock cycle time
tC
28.6
30.51
33.3
s
Input clock pulse
width
X0,
X1
PWH/tC
PWL/tC
40
60
%
Internal operating
clock frequency
fCP,
fCPP,
fCPT
When a standard
value of 32.768 kHz is
input as the X0A
clock frequency
2*
32.768 kHz
Internal operating
clock cycle time
tCP,
tCPP,
tCPT
30.51
500*
s
0.8 VCC
0.2 VCC
tC
PWH
PWL
C
= 50 pF
Output pin
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