參數(shù)資料
型號(hào): MC68HC05C9ACB
廠商: MOTOROLA INC
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 4.2 MHz, MICROCONTROLLER, PDIP42
封裝: PLASTIC, SHRINK, DIP-42
文件頁數(shù): 64/160頁
文件大?。?/td> 783K
代理商: MC68HC05C9ACB
NON-DISCLOSURE
AGREEMENT
REQUIRED
Self-Check Mode
General Release Specification
MC68HC05C9A Rev. 4.0
156
Self-Check Mode
MOTOROLA
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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