ez80190 ZiLOG Semiconductor, ez80190 Datasheet - Page 152

• Manufacturer Part Number: ez80190
• Description: Ez80190 Microprocessor
• Manufacturer: ZiLOG Semiconductor

eZ80190 Product Specification
138
Table 75. Vectored Interrupt Operation (Continued)
ADL Mode
1
1
Read the LSB of the interrupt vector placed on the internal vectored
interrupt bus, IVECT [7:0], by the interrupting peripheral.
• IEF1 ← 0
• IEF2 ← 0
• The Starting Program Counter is PC[23:0].
• Push the 3-byte return address, PC[23:0], onto the SPL stack.
• Push a 03h byte onto the SPL stack to indicate an interrupt from ADL
mode (because ADL = 1).
• The ADL mode bit remains set to 1.
• The interrupt vector address is {00h, I[7:0], IVECT[7:0]}.
• PC[23:0] ← ({00h, I[7:0], IVECT[7:0]}).
• The Ending Program Counter is PC[23:0] = ({00h, I[7:0], IVECT[7:0]}).
• The interrupt service routine must end with RETI.L
PS006613-0306
PRELIMINARY
Interrupt Controller