EZ80190AZ050EC Zilog, EZ80190AZ050EC Datasheet - Page 149
EZ80190AZ050EC
Manufacturer Part Number
EZ80190AZ050EC
Description
IC WEBSERVER 50MHZ XTEMP 100lQFP
Manufacturer
Zilog
Datasheet
1.EZ80190AZ050SG.pdf
(221 pages)
Specifications of EZ80190AZ050EC
Processor Type
eZ80
Features
High Speed, Single-Cycle Instruction-Fetch
Speed
50MHz
Voltage
3.3V
Mounting Type
Surface Mount
Package / Case
100-LQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Other names
269-3123
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Table 75. Vectored Interrupt Operation (Continued)
PS006614-1208
Z80
ADL Mode
®
Mode 0
1
1
1
Read the LSB of the interrupt vector placed on the internal vectored interrupt
bus, IVECT[7:0], bus by the interrupting peripheral.
•
•
•
•
•
•
•
•
•
•
Read the LSB of the interrupt vector placed on the internal vectored interrupt
bus, IVECT [7:0], by the interrupting peripheral.
•
•
•
•
•
•
•
•
•
•
IEF1
IEF2
The Starting Program Counter is effectively {MBASE, PC[15:0]}.
Push the 2-byte return address, PC[15:0], onto the SPL stack.
Push a 02h byte onto the SPL stack to indicate an interrupt from Z80
mode (because ADL = 0).
Set the ADL mode bit to 1.
The interrupt vector address is {00h, I[7:0], IVECT[7:0]}.
PC[23:0]
The Ending Program Counter is PC[23:0] = ({00h, I[7:0], IVECT[7:0]}).
The interrupt service routine must end with RETI.L
IEF1
IEF2
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]
The Ending Program Counter is PC[23:0] = ({00h, I[7:0], IVECT[7:0]}).
The interrupt service routine must end with RETI.L
←
←
←
←
0
0
0
0
←
←
({00h, I[7:0], IVECT[7:0]})
({00h, I[7:0], IVECT[7:0]})
.
.
Product Specification
Interrupt Controller
eZ80190
139
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