參數(shù)資料
型號: MC68HC05C9AFB
廠商: MOTOROLA INC
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 2.1 MHz, MICROCONTROLLER, PQFP44
封裝: QFP-44
文件頁數(shù): 66/162頁
文件大?。?/td> 1093K
代理商: MC68HC05C9AFB
N
O
N-D
I
SC
L
O
SU
R
E
AG
R
EEMENT
R
E
Q
U
IR
ED
Self-Check Mode
Advance Information
MC68HC05C9A Rev. 5.0
158
Self-Check Mode
MOTOROLA
C.3.2 Self-Check Results
Table C-1 shows the LED codes that indicate self-check test results.
Perform these steps to activate the self-check tests:
1. Apply 10 V (2 x V
DD) to the IRQ pin.
2. Apply a logic 1 to the TCAP pin.
3. Apply a logic 0 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 value of tRL, see 12.8 5.0-Volt
Control Timing and 12.9 3.3-Volt Control Timing.
Table C-1. Self-Check Circuit LED Codes
PC3
PC2
PC1
PC0
Remarks
Off
OnOnOff
I/O failure
Off
On
Off
On
RAM failure
Off
On
Off
Timer failure
Off
On
SCI failure
Off
On
Off
ROM failure
OffOff
OffOn
SPI failure
Flashing
No failure
All others
Device failure
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