CM68HC05C4ACFB Motorola / Freescale Semiconductor, CM68HC05C4ACFB Datasheet - Page 93

• Manufacturer Part Number: CM68HC05C4ACFB
• Description: Microcontroller
• Manufacturer: Motorola / Freescale Semiconductor

11.4.2 Self-Check Results
MC68HC05C4A
MOTOROLA
—
Rev. 4.0
The self-check circuit is shown in
Table 11-2
Perform these three steps to activate the self-check tests:
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, t
Control
5. ROM — Exclusive OR with odd ones parity result
6. SPI — Transmission test checks for SPIF and WCOL flags
1. Apply 10 V (2 x V
2. Apply a logic 1 to the TCAP pin.
3. Apply a logic 0 to the RESET pin.
PC3
Off
Off
Off
Off
Off
Off
Timing.)
RL
shows the LED codes that indicate self-check test results.
Table 11-2. Self-Check Circuit LED Codes
, for any other reset. (For the t
PC2
On
On
On
Off
Off
Off
Operating Modes
All Others
Flashing
DD
)
PC1
On
Off
Off
On
On
Off
to the IRQ pin.
Figure
PC0
Off
On
Off
On
Off
On
11-2.
RL
General Release Specification
value, see
Device Failure
Timer Failure
ROM Failure
RAM Failure
Remarks
SCI Failure
SPI Failure
I/O Failure
No Failure
Operating Modes
Self-Check Mode
13.9 5.0 V
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