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参数资料
| 型号： | SPC5604BF2MLH6 |
| 厂商： | Freescale Semiconductor |
| 文件页数： | 80/109页 |
| 文件大小： | 0K |
| 描述： | IC MCU 32BIT 512KB FLASH 64LQFP |
| 标准包装： | 160 |
| 系列： | MPC56xx Qorivva |
| 核心处理器： | e200z0h |
| 芯体尺寸： | 32-位 |
| 速度： | 64MHz |
| 连通性： | CAN，I²C，LIN，SCI，SPI |
| 外围设备： | DMA，POR，PWM，WDT |
| 输入/输出数： | 45 |
| 程序存储器容量： | 512KB（512K x 8） |
| 程序存储器类型： | 闪存 |
| RAM 容量： | 32K x 8 |
| 电压 - 电源 (Vcc/Vdd)： | 3 V ~ 5.5 V |
| 数据转换器： | A/D 12x10b |
| 振荡器型： | 内部 |
| 工作温度： | -40°C ~ 125°C |
| 封装/外壳： | 64-LQFP |
| 包装： | 托盘 |
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MPC5604B/C Microcontroller Data Sheet, Rev. 11.1
Package pinouts and signal descriptions
Freescale Semiconductor
72
1. A first and quick charge transfer from the internal capacitance CP1 and CP2 to the sampling capacitance CS occurs (CS
is supposed initially completely discharged): considering a worst case (since the time constant in reality would be
faster) in which CP2 is reported in parallel to CP1 (call CP = CP1 + CP2), the two capacitances CP and CS are in series,
and the time constant is
Eqn. 5
Equation 5 can again be simplified considering only CS as an additional worst condition. In reality, the transient is
faster, but the A/D converter circuitry has been designed to be robust also in the very worst case: the sampling time ts
is always much longer than the internal time constant:
Eqn. 6
The charge of CP1 and CP2 is redistributed also on CS, determining a new value of the voltage VA1 on the capacitance
according to Equation 7:
Eqn. 7
2. A second charge transfer involves also CF (that is typically bigger than the on-chip capacitance) through the resistance
RL: again considering the worst case in which CP2 and CS were in parallel to CP1 (since the time constant in reality
would be faster), the time constant is:
Eqn. 8
In this case, the time constant depends on the external circuit: in particular imposing that the transient is completed
well before the end of sampling time ts, a constraints on RL sizing is obtained:
Eqn. 9
Of course, RL shall be sized also according to the current limitation constraints, in combination with RS (source
impedance) and RF (filter resistance). Being CF definitively bigger than CP1, CP2 and CS, then the final voltage VA2
(at the end of the charge transfer transient) will be much higher than VA1. Equation 10 must be respected (charge
balance assuming now CS already charged at VA1):
Eqn. 10
The two transients above are not influenced by the voltage source that, due to the presence of the RFCF filter, is not able to
provide the extra charge to compensate the voltage drop on CS with respect to the ideal source VA; the time constant RFCF of
the filter is very high with respect to the sampling time (ts). The filter is typically designed to act as anti-aliasing.
1 RSW RAD
+
=
CP CS
CP CS
+
---------------------
1 RSW RAD
+
CS ts
VA1 CS CP1 CP2
++
VA CP1 CP2
+
=
2 RL
CS CP1 CP2
++
8.5
2
8.5
RL CS CP1 CP2
++
=
ts
VA2 CS CP1 CP2 CF
++
+
VA CF
VA1
+CP1 CP2
+CS
+
=
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相关代理商/技术参数 |
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|---|---|
| SPC5604BF2MLL4R | 制造商:Freescale Semiconductor 功能描述:SPC5604BF2MLL4R - Tape and Reel |
| SPC5604BF2MLL6 | 功能描述:32位微控制器 - MCU 512K FLASH, 32K RAM RoHS:否 制造商:Texas Instruments 核心:C28x 处理器系列:TMS320F28x 数据总线宽度:32 bit 最大时钟频率:90 MHz 程序存储器大小:64 KB 数据 RAM 大小:26 KB 片上 ADC:Yes 工作电源电压:2.97 V to 3.63 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:LQFP-80 安装风格:SMD/SMT |
| SPC5604BF2MLQ6 | 功能描述:32位微控制器 - MCU SPC5604B BOLERO 512K RoHS:否 制造商:Texas Instruments 核心:C28x 处理器系列:TMS320F28x 数据总线宽度:32 bit 最大时钟频率:90 MHz 程序存储器大小:64 KB 数据 RAM 大小:26 KB 片上 ADC:Yes 工作电源电压:2.97 V to 3.63 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:LQFP-80 安装风格:SMD/SMT |
| SPC5604BF2VLQ6 | 制造商:Freescale Semiconductor 功能描述: |
| SPC5604BK0MLQ6 | 功能描述:e200z0h MPC56xx Qorivva Microcontroller IC 32-Bit 64MHz 512KB (512K x 8) FLASH 144-LQFP (20x20) 制造商:nxp usa inc. 系列:MPC56xx Qorivva 包装:托盘 零件状态:在售 核心处理器:e200z0h 核心尺寸:32-位 速度:64MHz 连接性:CAN，I2C，LIN，SCI，SPI 外设:DMA，POR，PWM，WDT I/O 数:123 程序存储容量:512KB（512K x 8） 程序存储器类型:闪存 EEPROM 容量:4K x 16 RAM 容量:32K x 8 电压 - 电源（Vcc/Vdd）:3 V ~ 5.5 V 数据转换器:A/D 36x10b 振荡器类型:内部 工作温度:-40°C ~ 125°C（TA） 封装/外壳:144-LQFP 供应商器件封装:144-LQFP（20x20） 标准包装:300 |
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