MC9S08DZ128 Datasheet, PDF (438/458 Pages) Freescale Semiconductor, Inc – Microcontrollers

Appendix A Electrical Characteristics
+2%
+1%
0
–1%
–2%
–40
0
25
85 105 125
Temperature (˚C)
Figure A-9. Typical Frequency Deviation vs Temperature (ICS Trimmed to 16MHz bus@25˚C, 5V, FEI)¹
A.12 AC Characteristics
This section describes ac timing characteristics for each peripheral system.
A.12.1 Control Timing
Table A-13. Control Timing
Num C
Rating
Symbol
Min
Typical¹ Max Unit
1
D Bus frequency (t_cyc = 1/f_Bus)
f_Bus
dc
—
20
MHz
2 D Internal low-power oscillator period
t_LPO
800
1500 μs
3
D _{External reset pulse width}²
t_extrst
100
—
ns
4
D _{Reset low drive}³
t_rstdrv
34 x t_cyc
—
ns
5 D Active background debug mode latch setup time
t_MSSU
500
—
ns
6 D Active background debug mode latch hold time
t_MSH
100
—
ns
IRQ/PIAx/ PIBx/PIDx/PIJx pulse width
7
D
Asynchronous path²
Synchronous path³
Port rise and fall time (load = 50 pF)⁴
t_ILIH, t_IHIL
100
—
1.5 t_cyc
—
ns
8C
Slew rate control disabled t_Rise, t_Fall
—
3
ns
Slew rate control enabled
—
30
1 _{Typical data was characterized at 5.0 V, 25°C unless otherwise stated.}
2 _{This is the shortest pulse that is guaranteed to be recognized as a RESET pin or pin interrupt request. Shorter pulses are not}
guaranteed to override reset requests from internal sources.
1. Based on the average of several hundred units from a typical characterization lot.
MC9S08DZ128 Series Data Sheet, Rev. 1
438
Freescale Semiconductor