Техническая Спецификация для Freescale Semiconductor Tower System Eval Kit for MC9S12GN32 TWR-S12GN32-KIT TWR-S12GN32-KIT
Модели
TWR-S12GN32-KIT
Electrical Characteristics
MC9S12G Family Reference Manual, Rev.1.23
Freescale Semiconductor
1239
A.11
Reset Characteristics
Table A-41. XOSCLCP Characteristics (Junction Temperature From +150
°C To +160°C)
Conditions are shown in
Num
C
Rating
Symbol
Min
Typ
Max
Unit
1
C
Nominal crystal or resonator frequency
f
OSC
4.0
16
MHz
2
C
Startup Current
i
OSC
100
µA
3a
C
Oscillator start-up time (4MHz)
1
1
These values apply for carefully designed PCB layouts with capacitors that match the crystal/resonator requirements.
t
UPOSC
—
2
10
ms
3b
C
Oscillator start-up time (8MHz)
t
UPOSC
—
1.6
8
ms
3c
C
Oscillator start-up time (16MHz)
t
UPOSC
—
1
5
ms
4
P
Clock Monitor Failure Assert Frequency
f
CMFA
200
450
1200
KHz
5
D
Input Capacitance (EXTAL, XTAL pins)
C
IN
7
pF
6
C
EXTAL Pin Input Hysteresis
V
HYS,EXTAL
—
120
—
mV
7
C
EXTAL Pin oscillation amplitude
(loop controlled Pierce)
all mask sets except for 2N75C
all mask sets except for 2N75C
V
PP,EXTAL
—
1.0
—
V
8
D
EXTAL Pin oscillation required amplitude
2
(loop controlled Pierce)
all mask sets except for 2N75C
all mask sets except for 2N75C
2
Needs to be measured at room temperature on the application board using a probe with very low (<=5pF) input
capacitance.
capacitance.
V
PP,EXTAL
0.8
—
1.5
V
Table A-42. Reset and Stop Characteristics
Conditions are shown in
Num
C
Rating
Symbol
Min
Typ
Max
Unit
1
C Reset input pulse width, minimum input time
PW
RSTL
2
t
VCORST
2
C Startup from Reset
n
RST
768
t
VCORST
3
C STOP recovery time
t
STP_REC
23
µs