HD64570 HITACHI [Hitachi Semiconductor], HD64570 Datasheet - Page 344

• Manufacturer Part Number: HD64570
• Description: Serial Communications Adaptor
• Manufacturer: HITACHI [Hitachi Semiconductor]

CMD fl 21H........................................ Resets channel.
MD0
MD2
CTL
TRC0 fl 00H........................................ TXRDY bit = 1 when the transmit buffer is empty.
TRC1 fl 00H........................................ TXRDY bit = 0 when the transmit buffer is not empty.
TXS
IE0
IE1
SA0
SA1
IDL
CMD fl 02H........................................ Enables transmission.
TRB
CMD: Command register
MD0:
MD2:
CTL:
TRC0: TX ready control register 0
TRC1: TX ready control register 1
TXS:
IE0:
IE1:
SA0:
SA1:
IDL:
Transmit Processing Routine: Two examples of transmission processing routines are given in
figures 9.1 and 9.2.
Rev. 0, 07/98, page 328 of 453
fl 44H........................................ Specifies bi-sync mode.
fl 00H........................................ Specifies the NRZ code.
fl 11H........................................ Specifies idle pattern transmission.
fl 00H........................................ Specifies TXC line input for the transmit clock.
fl 82H........................................ Enables TXINT interrupts.
fl 80H........................................ Enables underrun interrupts.
fl 16H........................................ Specifies a SYN character.
fl 16H........................................ Specifies a SYN character.
fl XXH ...................................... Specifies a leading pad or SYN character.
fl Transmit data......................... Transmits a leading pad, and a SYN character, followed
Mode register 0
Mode register 2
Control register
TX clock source register
Interrupt enable register 0
Interrupt enable register 1
Synchronous/address register 0
Synchronous/address register 1
Idle pattern register
Disables the auto-enable function.
Specifies CRC-16 mode, and presets to all 0s.
Specifies full-duplex mode.
Specifies RTS line high-level output.
Enables TXRDY interrupts.
by transmit data.