MC9S08MM128 Datasheet, PDF (35/50 Pages) Freescale Semiconductor, Inc – Advanced Information

2.11 AC Characteristics
This section describes ac timing characteristics for each peripheral system.
Preliminary Electrical Characteristics
2.11.1 Control Timing
Table 19. Control Timing
# Symbol
Parameter
Min
1
f_Bus
Bus frequency (t_cyc = 1/f_Bus)
V_DD ≥ 1.8 V
dc
V_DD > 2.1 V
dc
Typical¹
Max
C Unit
MHz
—
10
D
—
20
D
2
t_LPO
Internal low-power oscillator
period
3
t_extrst
External reset pulse width²
(t_cyc = 1/f_{Self_reset})
4
t_rstdrv
Reset low drive
5
t_MSSU
Active background debug
mode latch setup time
6
t_MSH
Active background debug
mode latch hold time
IRQ pulse width
7
t_ILIH, t_IHIL • Asynchronous path²
• Synchronous path³
KBIPx pulse width
8
t_ILIH, t_IHIL • Asynchronous path²
• Synchronous path³
V_DD > 2.4 V
dc
800
100
—
990
(TBD)
—
66 x t_cyc
—
500
—
100
—
100
—
1.5 x t_cyc
100
—
1.5 x t_cyc
D
24
1500 D μs
—
D ns
—
D ns
—
D ns
—
D ns
D
—
ns
D
—
ns
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Preliminary — Subject to Change