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参数资料
| 型号： | M5253DEMO |
| 厂商： | Freescale Semiconductor |
| 文件页数： | 4/14页 |
| 文件大小： | 0K |
| 描述： | DEMO BOARD FOR MCF5253 |
| 标准包装： | 1 |
| 系列： | ColdFire® |
| 类型： | MCU |
| 适用于相关产品： | MCF5253 |
| 所含物品： | 板 |
Hardware Submodules
3
Hardware Submodules
This section describes the major sections of the M5253 demo board.
3.1
Processor
The MCF5253 processor is the fundamental control chip on the M5253 demo board. This is a
version 2 (V2) ColdFire processor running at a maximum core speed of 140 MHz. MCF5253 implements
an 8 KB instruction cache, three UART channels, two timers, 128 KB of SRAM, a QSPI (queued serial
peripheral interface) module, two I 2 C modules, three I 2 S modules, an IDE module, a dedicated ATA
interface with DMA support, two FlexCAN modules, an OTG USB 2.0 controller with integrated physical
interface, real-time clock (RTC), a flash memory stick interface, 60 parallel I/O ports (which are
multiplexed with other signals), and the system integration module (SIM). All of the core-processor
registers are 32 bits wide except for the status register (SR) which is 16 bits wide. This processor
communicates with the external devices over a 16 bits wide data bus, D[31:16]. The processor has a logic
to generate up to four chip selects, and support for a bank of SDRAMs. This board has brought out almost
every silicon feature for evaluation and developing the customer design.
3.2
Resets
The system reset signal is coming from the power management IC MC34702 with a reset button. The reset
signal feeds the CPU, flash, BDM, and DM9000 devices. This signal also appears on the connector J17 for
external use.
3.3
System Clock
This board uses a 11.2896 MHz crystal for the system main clock input CRIN.
The system PLL output-clock equation is as follows:
Eqn. 1
PSTCLK =
Fin ? ×
2 ? × VCXODIV
PLLDIV × ? CPUDIV × * VCXOOUT
Following table is the clock configuration:
Table 2. System Clock Configuration
Fin (MHz)
11.2896
11.2896
11.2896
11.2896
CPUDIV
2
2
3
4
CRSEL
0
0
0
0
VCXODIV
62
42
51
51
PLLDIV
5
4
4
4
VCXOOUT
1
1
1
1
PSTCLK (MHz)
140 (default)
120
96
72
Here is the example code to configure the system running at 140 MHz:
M5253 Demo Board User Manual, Rev. 0
4
Freescale Semiconductor
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| M5253EVB | 功能描述:开发板和工具包 - COLDFIRE MCF5253VM140 EVAL BOARD RoHS:否 制造商:Freescale Semiconductor 产品:Development Kits 工具用于评估:MCF53017 核心:ColdFire V3 接口类型:Ethernet, UART, USB 工作电源电压:12 V |
| M5253EVBE | 功能描述:开发板和工具包 - 其他处理器 MCF5253VM140 EVAL RoHS:否 制造商:Freescale Semiconductor 产品:Development Systems 工具用于评估:P3041 核心:e500mc 接口类型:I2C, SPI, USB 工作电源电压: |
| M5254-000002-020BG | 功能描述:Pressure Sensor 290.08 PSI (2000 kPa) Vented Gauge Male - 1/4" (6.35mm) BSPP 4 mA ~ 20 mA Cylinder 制造商:te connectivity measurement specialties 系列:M52 零件状态:有效 压力类型:排气式压力计 工作压力:290.08 PSI（2000 kPa） 输出类型:模拟电流 输出:4 mA ~ 20 mA 精度:±0.25% 电压 - 电源:9 V ~ 30 V 端口尺寸:公型 - 1/4"（6.35mm） BSPP 端口样式:有螺纹 特性:温度补偿 端子类型:连接器 最高压力:580.15 PSI（4000 kPa） 工作温度:-40°C ~ 125°C 封装/外壳:圆柱型 供应商器件封装:- 标准包装:1 |
| M5254-000002-070BG | 功能描述:Pressure Sensor 1015.26 PSI (7000 kPa) Vented Gauge Male - 1/4" (6.35mm) BSPP 4 mA ~ 20 mA Cylinder 制造商:te connectivity measurement specialties 系列:M52 零件状态:有效 压力类型:排气式压力计 工作压力:1015.26 PSI（7000 kPa） 输出类型:模拟电流 输出:4 mA ~ 20 mA 精度:±0.25% 电压 - 电源:9 V ~ 30 V 端口尺寸:公型 - 1/4"（6.35mm） BSPP 端口样式:有螺纹 特性:温度补偿 端子类型:连接器 最高压力:2030.53 PSI（14000 kPa） 工作温度:-40°C ~ 125°C 封装/外壳:圆柱型 供应商器件封装:- 标准包装:1 |
| M5254-000002-350BG | 功能描述:Pressure Sensor 5076.32 PSI (35000 kPa) Vented Gauge Male - 1/4" (6.35mm) BSPP 4 mA ~ 20 mA Cylinder 制造商:te connectivity measurement specialties 系列:M52 零件状态:有效 压力类型:排气式压力计 工作压力:5076.32 PSI（35000 kPa） 输出类型:模拟电流 输出:4 mA ~ 20 mA 精度:±0.25% 电压 - 电源:9 V ~ 30 V 端口尺寸:公型 - 1/4"（6.35mm） BSPP 端口样式:有螺纹 特性:温度补偿 端子类型:连接器 最高压力:10152.64 PSI（70000 kPa） 工作温度:-40°C ~ 125°C 封装/外壳:圆柱型 供应商器件封装:- 标准包装:1 |
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