Zilog Z16C30 - Manual (Page 133)

7-5
Z16C30 USC ®
U SER ' S M ANUAL Z ILOG
UM97USC0100
Figure 7-3. USC Interrupt Types and Sources
Exited Hunt
IA
Idle Received
IA
Break/Abort
IA
Rx Boundary
IA
Abort/Parity Error
IA
Rx Overrun
IA
Sources
Rx Status
IE IP IUS
Types
IEI Pin
Highest Priority
Rx Data
IE IP IUS
Tx Status
IE IP IUS
Tx Data
IE IP IUS
RCC Underflow
IA
DPLL Desync
IA
BRG1 Zero
IA
BRG0 Zero
IA
I/O Pins
Internal Daisy Chain
Preamble Sent
IA
Idle Set
IA
Abort Sent
IA
EOF/EOM Sent
IA
CRC Sent
IA
Tx Underrun
IA
/RxC Fall
IA
/RxC Rise
IA
/TxC Fall
IA
/TxC Rise
IA
/RxREQ Fall
IA
/RxREQ Rise
IA
/TxREQ Fall
IA
TxCREQ Rise
IA
/DCD Fall
IA
/DCD Rise
IA
/CTS Fall
IA
/CTS Rise
IA
RxFIFO Fill Level
Rx Int Threshold
TxFIFO Fill Level
Tx Int Threshold
Miscellaneous
IE IP IUS
Channel
Channel Interrupts
MIE Vector
Lowest Priority
IEO pin
IE IP IUS
Internal Daisy Chain
UM009402-0201