Digi NS7520B-1-C36 Hardware Reference Manual page 240

S e r i a l C h a n n e l r e g i s t e r s
Transmitter interrupts
Bit
D04
D03
D02
D01
Table 87: Transmitter interrupt enable bits
2 2 8
Mnemonic
ERXCTS
ETXRDY
ETXHALF
ERXBC
N S 7 5 2 0 H a r d w a r e R e f e r e n c e , R e v G 9 / 2 0 0 7
Description
Change in CTS interrupt enable
Transmit register empty interrupt enable
Transmit FIFO half-empty interrupt enable
Transmit buffer closed interrupt enable