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| 型号： | MC13224V |
| 厂商： | FREESCALE SEMICONDUCTOR INC |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | SPECIALTY MICROPROCESSOR CIRCUIT, PBGA99 |
| 封装： | 9.50 X 9.50 MM, 1.20 MM HEIGHT, ROHS COMPLIANT, LGA-99 |
| 文件页数： | 38/54页 |
| 文件大小： | 490K |
| 代理商： | MC13224V |
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MC1322x Technical Data, Rev. 1.3
Freescale Semiconductor
43
7.8
Internal Low Speed Reference Oscillator Specifications
7.9
Control Timing and CPU Bus Specifications
7.9.1
Timer Module Input Characteristics
Four-bit synchronizer circuits determine the shortest input pulses that can be recognized or the fastest
clock that can be used as the optional external source to the timer counter. These synchronizers operate
from the peripheral clock rate. Table 17 shows timer input timing values.
Load capacitance
11
12.5
13
pF
Equivalent series resistance (ESR)
60
k
Ω
Shunt capacitance
1.35
pF
Tolerated drive level
1
μW
1 Recommended crystal Abracom Corporation crystal part number ABS25-32.768-12.5-B
2 Example; Stability at -20×C is: -0.034 x (25-[-20])2= -68.8ppm.
Table 15. Internal 2 KHz Oscillator Specifications
Characteristic
Symbol
Min
Typ
Max
Unit
Default Frequency @ 25 °C
2.5
1.7
3.5
KHz
Oscillator frequency variation over full temperature range
-
+/- 13
-
%
Calibration time (in terms of 2KHz osc clocks)
-
216-1
osc clks
Table 16. MCU Control Timing
(VBATT, LREG_BK_FB = 3.3 V, TA = 25 °C, fref = 24 MHz, unless otherwise noted.)
Parameter
Symbol
Min
Typical
Max
Unit
CPU Bus frequency (tcyc = 1/fBus)fBus
fref/64
1
1 Normal operation uses a 24 MHz reference. The MC1322x allows up to a 26 MHz max reference oscillator.
—fref
MHz
CPU Bus frequency with active TX or RX
2
MHz
Real-time interrupt internal oscillator frequency
2
KHz
External reset pulse width2
2 This is the shortest pulse that is guaranteed to be recognized as a reset pin request. There always must be 3 clocks of the
operating oscillator; this can vary from the low power oscillators to the reference oscillator.
-
4
—
osc clks
External minimum interrupt pulse width (KBI[7:4])
-
4
—
osc clks
Table 14. 32.768 Oscillator Specifications (continued)
Characteristic
Symbol
Min
Typ
Max
Unit
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MC13224V | 制造商:Freescale Semiconductor 功能描述:; Controller Family/Series:(ARM7); Memor |
| MC13224V_09 | 制造商:FREESCALE 制造商全称:Freescale Semiconductor, Inc 功能描述:Advanced ZigBee?- Compliant Platform-in-Package (PiP) for the 2.4 GHz IEEE? 802.15.4 Standard |
| MC13224VR2 | 功能描述:射频收发器 PIP 802.15.4 2.4G IND RoHS:否 制造商:Atmel 频率范围:2322 MHz to 2527 MHz 最大数据速率:2000 Kbps 调制格式:OQPSK 输出功率:4 dBm 类型: 工作电源电压:1.8 V to 3.6 V 最大工作温度:+ 85 C 接口类型:SPI 封装 / 箱体:QFN-32 封装:Tray |
| MC13224VR2 | 制造商:Freescale Semiconductor 功能描述:IC 32BIT MCU ARM7 26MHZ LGA-99 |
| MC13224VR2-CUT TAPE | 制造商:Freescale 功能描述:MC13224 Series 2.4 GHz PIP 250 KBps Surface Mount RF Transceiver - LGA-99 |
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