参数资料
型号: SPC560B50L3-ENG
厂商: STMICROELECTRONICS
元件分类: 微控制器/微处理器
英文描述: 32-BIT, FLASH, 64 MHz, MICROCONTROLLER, PQFP100
封装: 14 X 14 MM, 1.40 MM HEIGHT, ROHS COMPLIANT, LQFP-100
文件页数: 86/113页
文件大小: 983K
代理商: SPC560B50L3-ENG
Electrical characteristics
SPC560Bx, SPC560Cx
Doc ID 14619 Rev 7
Figure 15. Slow external crystal oscillator (32 kHz) electrical characteristics
Table 35.
Crystal motional characteristics(1)
1.
The crystal used is Epson Toyocom MC306.
Symbol
Parameter
Conditions
Value
Unit
Min
Typ
Max
Lm
Motional inductance
11.796
KH
Cm
Motional capacitance
2
fF
C1/C2
Load capacitance at OSC32K_XTAL
and OSC32K_EXTAL with respect to
ground(2)
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.
18
28
pF
Rm
(3)
3.
Maximum ESR (Rm) of the crystal is 50 k
Motional resistance
AC coupled @ C0 = 2.85 pF(4)
4.
C0 Includes a parasitic capacitance of 2.0 pF between OSC32K_XTAL and OSC32K_EXTAL pins
——
65
kW
AC coupled @ C0 = 4.9 pF(4)
——
50
AC coupled @ C0 = 7.0 pF(4)
——
35
AC coupled @ C0 = 9.0 pF(4)
——
30
OSCON bit (OSC_CTL register)
TSXOSCSU
1
VOSC32K_XTAL
VSXOSC
valid internal clock
90%
10%
1/fSXOSC
0
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