参数资料
型号: MPC5604BF1CMG6R
厂商: FREESCALE SEMICONDUCTOR INC
元件分类: 微控制器/微处理器
英文描述: MICROCONTROLLER, PBGA208
封装: 17 X 17 MM, 1 MM PITCH, PLASTIC, MO-151AAF-1, MAPBGA-208
文件页数: 66/104页
文件大小: 953K
代理商: MPC5604BF1CMG6R
MPC5604B/C Microcontroller Data Sheet, Rev. 9
Electrical characteristics
Freescale Semiconductor
64
Figure 18. Slow external crystal oscillator (32 kHz) timing diagram
4.15
FMPLL electrical characteristics
The device provides a frequency-modulated phase-locked loop (FMPLL) module to generate a fast system clock from the main
oscillator driver.
2 This is the recommended range of load capacitance at OSC32K_XTAL and OSC32K_EXTAL with respect to
ground. It includes all the parasitics due to board traces, crystal and package.
3 Maximum ESR (R
m) of the crystal is 50 k
4 C0 includes a parasitic capacitance of 2.0 pF between OSC32K_XTAL and OSC32K_EXTAL pins
Table 39. Slow external crystal oscillator (32 kHz) electrical characteristics
Symbol
C
Parameter
Conditions1
1 V
DD = 3.3 V ± 10% / 5.0 V ± 10%, TA = 40 to 125 °C, unless otherwise specified. Values are specified for no
neighbor GPIO pin activity. If oscillator is enabled (OSC32K_XTAL and OSC32K_EXTAL pins), neighboring pins
should not toggle.
Value
Unit
Min
Typ
Max
fSXOSC
SR — Slow external crystal oscillator frequency
32
32.768
40
kHz
VSXOSC
CC T Oscillation amplitude
2.1
V
ISXOSCBIAS CC T Oscillation bias current
2.5
A
ISXOSC
CC T Slow external crystal oscillator consumption
8
A
TSXOSCSU CC T Slow external crystal oscillator start-up time
22
2 Start-up time has been measured with EPSON TOYOCOM MC306 crystal. Variation may be seen with other crystal.
s
OSCON bit (OSC_CTL register)
TSXOSCSU
1
VOSC32K_XTAL
VSXOSC
valid internal clock
90%
10%
1/fSXOSC
0
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