Z0847006PSG Zilog, Z0847006PSG Datasheet - Page 329

• Manufacturer Part Number: Z0847006PSG
• Description: IC 6MHZ Z80 NMOS DART 40-DIP
• Manufacturer: Zilog
• Series: Z80r

Specifications of Z0847006PSG

• Processor Type: Z80
• Features: Dual Channel Asynchronous Receiver/Transmitter (DART)
• Speed: 6MHz
• Voltage: 5V
• Mounting Type: Through Hole
• Package / Case: 40-DIP (0.620", 15.75mm)
• Mounting Style: Through Hole
• Cpu Speed: 6MHz
• Digital Ic Case Style: DIP
• No. Of Pins: 40
• Supply Voltage Range: 5V
• Operating Temperature Range: 0°C To +70°C
• Svhc: No SVHC (18-Jun-2010)
• Base Number: 847006
• Rohs Compliant: Yes
• Clock Frequency: 6MHz
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

UM008101-0601
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4. Channel A External/Status Routine Complete, RETI Issued, Channel B Transmitter Service Resumed.
2. Channel B Transmitter Interrupts and is Acknowledged.
3. External/Status Channel A Interrupts Suspending Service of Channel B Transmitter.
5. Channel B Transmitter Service Routine Complete, Second RETI Issued.
1. Priority Interrupt Daisy Chain before Any Interrupt Occurs.
High
High
High
High
High
IEI
IEI
IEI
IEI
IEI
Channel A
Receiver
IEO
IEO
IEO
IEO
IEO
executed or a RETI command is written to the Z80 SIO, resetting the
interrupt-under-service latch of the Channel A interrupt. At this time, the
service routine for Channel B is resumed. When the service routine is
completed, another RETI instruction is executed to complete the interrupt
service.
Figure 132. Typical Interrupt Service
High
High
High
High
High
Transmitter
IEI
IEI
Channel A
IEI
IEI
IEI
IEO
IEO
IEO
IEO
IEO
High
High
High
High
High
External Status
IEI
IEI
IEI
IEI
IEI
Channel A
IEO
IEO
IEO
IEO
IEO
High
High
High
High
High
IEI
IEI
IEI
IEI
IEI
Channel B
Receiver
IEO
IEO
IEO
IEO
IEO
High
High
High
High
High
Service Completed
Service Resumed
Service Suspended
Under Service
IEI
IEI
IEI
IEI
Transmitter
IEI
Channel B
Z80 CPU Peripherals
IEO
IEO
IEO
IEO
IEO
Serial Input/Output
High
High
Low
Low
Low
User Manual
External Status
IEI
IEI
IEI
IEI
IEI
Channel B
IEO
IEO
IEO
IEO
IEO
High
Low
Low
High
Low
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