参数资料
型号: DEMOEM
厂商: Freescale Semiconductor
文件页数: 31/47页
文件大小: 0K
描述: BOARD DEMO HARDWARE ONLY
标准包装: 1
系列: MCF51EM
类型: MCU
适用于相关产品: MCF51EM
所含物品: 板,线缆,DVD 和指南
产品目录页面: 733 (CN2011-ZH PDF)
Figure 7-8: SPI Port Header
7.5
7.6
7.6.1
EEPROM Enable
The DEMOEM includes a serial SPI memory for non-volatile data storage.
Header J14 configures control signals for the EEPROM IC (U4).
Figure 7-9: EEPROM Enable (J14)
LED Display Port
The DEMOEM has 4 LEDs connected to signals PTE4, PTE5, PTA5, and
PTA6 that may be driven by 5V. They can be enabled or disabled by installing
or removing the corresponding jumpers, J15 & J41, in the LED_EN header.
J15 - LED Display Enable Port Port 1 LED_ENABLE1
Enables port connections PTE5 and PTE4 to LED circuits. This is the default
setting.
Figure 7-10: LED Display Enable Header LED_EN (J15)
DEMOEM User Manual
27
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