HD64570 Datasheet, PDF (54/469 Pages) Hitachi Semiconductor – Serial Communications Adaptor

MSCI status
UDRN
register 1 (ST1) _IDL
CLMD
SYNCD/FLGD
CCTS
CDCD
BRXD/ABTD
BRXE/IDLD
MSCI interrupt
enable register 1
(IE1)
UDRNE
IDLE
CLMDE
SYNCDE/FLGDE
CCTSE
CDCDE
BRXDE/ABTDE
BRXEE/IDLDE
MSCI status
EOM
register 2 (ST2) _PMP/SHRT
PE/ABT
FRME/RBIT
OVRN
CRCE
—
—
MSCI interrupt EOME
enable register 2_PMPE/SHRTE
(IE2)
PEE/ABTE
FRMEE/RBITE
OVRNE
CRCEE
—
—
MSCI frame
status register
(FST)
EOMF
—
—
—
—
—
—
—
MSCI frame
interrupt enable
register (FIE)
EOMFE
—
—
—
—
—
—
—
MSCI status
register 0 (ST0)
TXINT
RXINT
—
—
—
—
TXRDY
RXRDY
TXINTE
RXINTE
—
—
—
—
TXRDYE
RXRDYE
MSCI interrupt
enable register 0
(IE0)
TXINT interrupt reque
RXINT interrupt reque
TXRDY interrupt requ
RXRDY interrupt requ
Figure 1.25 Logic Flow for Interrupt Requests, Status, and Enable Bits in MSCI Module
Rev. 0, 07/98, page 38 of 453