MC68HC05B4 Datasheet, PDF (156/298 Pages) Motorola, Inc – High-density Complementary Metal Oxide Semiconductor (HCMOS) Microcomputer Unit

Table A-3 MC68HC05B4 self-check results
PC3 PC2 PC1 PC0
Remarks
1
0
0
1 Bad port
0
1
1
0 Bad port
1
0
1
0 Bad RAM
1
0
1
1 Bad ROM
1
1
0
0 Bad Timer
1
1
0
1 Bad SCI
1
1
1
0 Bad A/D
0
0
0
1 Bad PLM
0
0
1
0 Bad interrupts
0
0
1
1 Bad watchdog
Flashing
Good device
All others
Bad device, bad port etc.
‘0’ indicates LED on; ‘1’ indicates LED off
14
MOTOROLA
A-6
MC68HC05B4
TPG
MC68HC05B6
Rev. 4