Epson S1C33210 410

III PERIPHERAL BLOCK: MONITORED MOBILE ACCESS INTERFACES

Register name

Address

Bit

Name

Function

Setting

Init.

R/W

Remarks

HDLC receive

0200312

D15–2

–

–

–

–

–

0 when being read.

interrupt mode

(HW)

D1

RXINTS1

HDLC receive interrupt setup

RXINTS[1:0]

Operating Mode

0

R/W

settings

D0

RXINTS0

1

1

(Not allowed)

0

R/W

register

1

0

Sp INT Only

0

1

Rx INT and Sp

INT On FIFO

Threshold Level

0

0

Rx INT and Sp

INT On First Rx

Character

HDLC receive

0200314

D15–3

–

–

–

–

–

0 when being read.

control register

(HW)

D2

RXFR

HDLC receive queue reset

1

Reset

0

Ignored

0

W

D1

ENTHM

HDLC enter Hunt mode

1

Force shift

0

Ignored

0

W

D0

RXINXT

HDLC Rx INT on next receive character

1

Specify interrupt

0

Ignored

0

W

HDLC receive

0200316

D15–8

–

–

–

–

–

0 when being read.

data register

(HW)

D7

RXD7

HDLC receive data

0x00 to 0xFF

X

R

D6

RXD6

RXD7 = MSB

X

D5

RXD5

RXD0 = LSB

X

D4

RXD4

X

D3

RXD3

X

D2

RXD2

X

D1

RXD1

X

D0

RXD0

X

HDLC transmit

0200318

D15–2

–

–

–

–

–

0 when being read.

operation

(HW)

D1

ABTCRC

HDLC CRC/Abort on underrun/EOM

1

Transmit abort

0

Transmit CRC

0

R/W

settings

and flag patterns

and flag

register

D0

MRKFLG

HDLC Mark/Flag on idle

1

Transmit

0

Transmit flag

0

R/W

mark pattern

HDLC transmit

020031A

D15–2

–

–

–

–

–

0 when being read.

queue

(HW)

D1

TXFTH1

HDLC transmit queue interrupt

TXFTH[1:0]

Level

0

R/W

threshold

D0

TXFTH0

threshold

1

1

1 empty

0

R/W

register

1

0

2 empty

0

1

3 empty

0

0

All 4 empty

HDLC transmit

020031C

D15–8

–

–

–

–

–

0 when being read.

control register

(HW)

D7

RTXUEL

HDLC reset Tx underrun/EOM latch

1

Reset latch

0

Ignored

0

W

Writes of "0" are ignored

D6

SNDABT

HDLC sent Abort

1

Transmit

0

Ignored

0

W

Writes of "0" are ignored

abort pattern

D5

TXFR

HDLC transmit queue reset

1

Reset queue

0

Ignored

0

W

Writes of "0" are ignored

D4–1

–

–

–

–

–

0 when being read.

D0

RTXU

HDLC reset Tx underrun

1

Reset flag

0

Ignored

0

W

Writes of "0" are ignored

HDLC transmit

020031E

D15–8

–

–

–

–

–

Indeterminate value

data register

(HW)

when read

D7

TXD7

HDLC transmit data

0x00 to 0xFF

X

W

Indeterminate value

D6

TXD6

TXD7 = MSB

X

when read

D5

TXD5

TXD0 = LSB

X

D4

TXD4

X

D3

TXD3

X

D2

TXD2

X

D1

TXD1

X

D0

TXD0

X

HDLC E/S INT

020032C

D15–8

–

–

–

–

–

0 when being read.

receive status

(HW)

D7

ABORT

HDLC Abort detected

1

Detected

0

Not detected

X

R

register

D6

–

–

–

–

–

0 when being read.

D5

TXUE

HDLC Tx underrun/EOM detected

1

Detected

0

Not detected

X

R

D4–2

–

–

–

–

–

0 when being read.

D1

HUNT

HDLC Hunt detected

1

Hunting

0

Not hunting

X

R

D0

IDLED

HDLC Idle detected

1

Detected

0

Not detected

X

R

HDLC Sp INT

020032E

D15–8

–

–

–

–

–

0 when being read.

receive status

(HW)

D7

RXOVR

HDLC Rx overrun detected

1

Detected

0

Not detected

X

R

register

D6

EOF

HDLC end of frame detected

1

Detected

0

Not detected

X

R

D5–1

–

–

–

–

–

0 when being read.

D0

SHFD

HDLC short frame detected

1

Detected

0

Not detected

X

R

HDLC receive

0200330

D15–3

–

–

–

–

–

0 when being read.

status register

(HW)

D2

RESID

HDLC residue detected

1

Detected

0

Not detected

X

R

D1

RCA

HDLC receive character available

1

Available

0

Not available

X

R

D0

CRCER

HDLC CRC error detected

1

Detected

0

Not detected

X

R

B-III-10-24

EPSON

S1C33210 FUNCTION PART