GMS84512 Datasheet, PDF (56/123 Pages) Hynix Semiconductor – 8-BIT SINGLE CHIP MICROCOMPUTER

3.5.5 The Method to Test Correct Transmission with S/W
GMS 84512 / 84524
Serial I/O Interrupt
SERVICE ROUTINE
SIOSF ?
1
SE = 0
0
Abnormal
Operation
WRITE SIOM
SR ?
0
Normal Operation
1
OVERRUN ERROR
Note) SE: Interrupt Enable Regist Low IENL ( Bit3 )
SR : Interrupt Request Flag Regist Low IRQL ( Bit3 )
FIG. 3.5.4 Serial Method to Teset Transmission.
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