MC9S12T64 Datasheet, PDF (580/608 Pages) Motorola, Inc – Specification

Freescale Semiconductor, Inc.
Electrical Characteristics
Table 117 Oscillator Characteristics ⁽¹⁾
Conditions are shown in Table 106 unless otherwise noted
Num
Rating
Symbol Min
Typ
Max
1 Crystal oscillator range (Colpitts)
f_OSC
2
2 Startup Current
3
Oscillator start-up time ⁽²⁾
i_OSC
100
t_UPOSC
4 Clock Quality check time-out
t_CQOUT
0.45
5 Clock Monitor Failure Assert Frequency
6
External square wave input frequency⁽⁵⁾
f_CMFA
50
f_EXT
2
7 External square wave pulse width low
t_EXTL
30
8 External square wave pulse width high
t_EXTH
30
9 External square wave rise time
t_EXTR
10 External square wave fall time
t_EXTF
11 Input Capacitance (EXTAL, XTAL inputs)
C_IN
12
DC Operating Bias in Colpitts Configuration on
EXTAL Pin
V_DCBIAS
16
8 ⁽³⁾
400 ⁽⁴⁾
2.5
100
200
32
1
1
9
1.1
1. When Colpitts Oscillator is selected during reset.
2. The oscillator start-up time is measured as the time necessary to detect a stable ECLK on pin PE4 after POR.
3. f_osc = 4MHz, C = 22pF
4. Maximum value is for extreme cases using high Q, low frequency crystals
5. XCLKS =0 during reset
Unit
MHz
µA
ms
s
KHz
MHz
ns
ns
ns
ns
pF
V
MC9S12T64Revision 1.1.1
Electrical Characteristics
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