参数资料
型号: SPC560B50L5C5E0R
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, PQFP144
封装: 20 X 20 MM, 1.40 MM HEIGHT, ROHS COMPLIANT, LQFP-144
文件页数: 38/74页
文件大小: 971K
代理商: SPC560B50L5C5E0R
Electrical characteristics
SPC560Bx, SPC560Cx
Doc ID 14619 Rev 4
Figure 14. Slow external crystal oscillator (32 kHz) electrical characteristics
Table 34.
Crystal motional characteristics(1)
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)
18
28
pF
Rm
(3)
Motional resistance
AC coupled @ C0 = 2.85 pF(4)
——
65
k
Ω
AC coupled @ C0 = 4.9 pF(4)
——
50
AC coupled @ C0 = 7.0 pF(4)
——
35
AC coupled @ C0 = 9.0 pF(4)
——
30
1.
The crystal used is Epson Toyocom MC306.
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 (Rm) of the crystal is 50 kΩ
4.
C0 Includes a parasitic capacitance of 2.0 pF between OSC32K_XTAL and OSC32K_EXTAL pins
OSCON bit (OSC_CTL register)
TSXOSCSU
1
VOSC32K_XTAL
VSXOSC
valid internal clock
90%
10%
1/fSXOSC
0
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