XR82C684JTR/44-F Exar Corporation, XR82C684JTR/44-F Datasheet - Page 48

• Manufacturer Part Number: XR82C684JTR/44-F
• Description: Quad Channel UART
• Manufacturer: Exar Corporation

Specifications of XR82C684JTR/44-F

• Features: *
• Number Of Channels: 4, QUART
• Fifo's: 3 Byte
• Voltage - Supply: 5V
• Mounting Type: Surface Mount
• Package / Case: 44-LCC (J-Lead)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

External Vectored Interrupt Processing (Interrupt
Mode 0)
Op-Code (hex)
XR82C684
Used with Vectored Interrupts (Mode 0)
Table 9. Z-80 CPU Restart Instructions
•
Mnemonic
Table 9
Address (hex)
Restart
Table 9
Direct Interrupt Processing (Interrupt Mode 1)
Peripheral Vectored Interrupt Processing (Interrupt
Mode 2)
that if the IEI input to the QUART (or Zilog peripheral
device) is “low” then the QUART (or Zilog peripheral
device) will be disabled from generating any interrupt
requests to the CPU.
Figure 23
Section C.6.2.3
•
•
Please note