参数资料
型号: MC68HSC05C9AP
厂商: FREESCALE SEMICONDUCTOR INC
元件分类: 微控制器/微处理器
英文描述: 8-BIT, MROM, 4.1 MHz, MICROCONTROLLER, PDIP40
封装: PLASTIC, DIP-40
文件页数: 64/160页
文件大小: 4128K
代理商: MC68HSC05C9AP
NON-DISCLOSURE
AGREEMENT
REQUIRED
Self-Check Mode
General Release Specification
MC68HC05C9A Rev. 4.0
Self-Check Mode
C.3.2 Self-Check Results
Table C-1 shows the LED codes that indicate self-check test results.
Perform the following steps to activate the self-check tests:
1. Apply 10 V (2 x V
DD) to the IRQ pin.
2. Apply a logic one to the TCAP pin.
3. Apply a logic zero to the RESET pin.
The self-check tests begin on the rising edge of the RESET pin.
RESET must be held low for 4064 cycles after power-on reset (POR), or
for a time, tRL, for any other reset. (For the tRL value, see Table 12-3.)
Table C-1. Self-Check Circuit LED Codes
PC3
PC2
PC1
PC0
Remarks
Off
On
Off
I/O Failure
Off
On
Off
On
RAM Failure
Off
On
Off
Timer Failure
Off
On
SCI Failure
Off
On
Off
ROM Failure
Off
On
SPI Failure
Flashing
No Failure
All Others
Device Failure
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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