MB90350E Datasheet, PDF (59/85 Pages) Fujitsu Component Limited. – 16-bit Proprietary Microcontrollers

MB90350E Series
4. AC Characteristics
(1) Clock Timing
(TA = −40 °C to +125 °C, VCC = 5.0 V ± 10%, fCP ≤ 24 MHz, VSS = AVSS = 0 V)
Parameter
Symbol Pin
Value
Unit
Min Typ Max
Remarks
3
⎯
16
MHz
1/2 (at PLL stop)
When using an oscillation circuit
4
⎯
16
MHz
1 multiplied PLL
When using an oscillation circuit
4
X0, X1
4
⎯
12
MHz
2 multiplied PLL
When using an oscillation circuit
⎯
8
MHz
3 multiplied PLL
When using an oscillation circuit
4
⎯
6
MHz
4 multiplied PLL
When using an oscillation circuit
fC
Clock frequency
⎯
⎯
4
MHz
6 multiplied PLL
When using an oscillation circuit
3
⎯
24
MHz
1/2 (at PLL stop),
When using an external clock
4
⎯
24
MHz
1 multiplied PLL
When using an external clock
4
⎯
12
MHz
2 multiplied PLL
When using an external clock
X0
4
⎯
8
MHz
3 multiplied PLL
When using an external clock
4
⎯
6
MHz
4 multiplied PLL
When using an external clock
⎯
⎯
4
MHz
6 multiplied PLL
When using an external clock
fCL X0A, X1A — 32.768 100 kHz When using sub clock
Clock cycle time
X0, X1 62.5 ⎯ 333 ns When using an oscillation circuit
tCYL
X0 41.67 ⎯ 333 ns When using an external clock
tCYLL X0A, X1A 10 30.5 —
µs
PWH, PWL
Input clock pulse width
PWHL, PWLL
X0
X0A
10
⎯
⎯
5 15.2 ⎯
ns _{Duty ratio should be about}
µs ^{30% to 70%.}
Input clock rise and fall
time
tCR, tCF
X0
⎯
⎯
5
ns When using an external clock
(Continued)
59