![](http://datasheet.mmic.net.cn/Freescale-Semiconductor/MC68E360ZQ25VLR2_datasheet_98730/MC68E360ZQ25VLR2_23.png)
Table of Contents
Paragraph
Title
Page
Number
MC68360 USER’S MANUAL
7.13.5.2
Pulsed Handshake Timing .................................................................. 7-336
7.13.6
Transparent Data Transfers ................................................................ 7-338
7.13.7
Programming Model ............................................................................ 7-338
7.13.7.1
Parameter RAM................................................................................... 7-338
7.13.7.2
PIP Configuration Register (PIPC) ...................................................... 7-339
7.13.7.3
PIP Timing Parameters Register (PTPR)............................................ 7-341
7.13.7.4
PIP Buffer Descriptors......................................................................... 7-341
7.13.7.5
PIP Event Register (PIPE) .................................................................. 7-341
7.13.7.6
PIP Mask Register (PIPM) .................................................................. 7-342
7.13.8
Centronics Controller Overview........................................................... 7-342
7.13.8.1
Centronics Controller Key Features .................................................... 7-344
7.13.8.2
Centronics Channel Transmission ...................................................... 7-345
7.13.8.3
Centronics Transmitter Memory Map .................................................. 7-345
7.13.8.4
Buffer Descriptor Table Pointer (TBASE)............................................ 7-346
7.13.8.5
Status Mask Register (SMASK) .......................................................... 7-346
7.13.8.6
Centronics Function Code Register (CFCR) ....................................... 7-346
7.13.8.7
Transmitter Buffer Descriptor Pointer (TBPTR)................................... 7-347
7.13.8.8
Centronics Transmitter Programming Model....................................... 7-347
7.13.8.9
Centronics Transmitter Command Set ................................................ 7-347
7.13.8.9.1
STOP TRANSMIT Command.............................................................. 7-347
7.13.8.9.2
RESTART TRANSMIT Command....................................................... 7-347
7.13.8.9.3
INIT TX PARAMETERS Command..................................................... 7-348
7.13.8.10
Transmission Errors ............................................................................ 7-348
7.13.8.10.1
Buffer Descriptor Not Ready ............................................................... 7-348
7.13.8.10.2
Printer Off-Line Error ........................................................................... 7-348
7.13.8.10.3
Printer Fault......................................................................................... 7-348
7.13.8.10.4
Paper Error.......................................................................................... 7-348
7.13.8.10.5
Centronics Transmitter Buffer Descriptor ............................................ 7-348
7.13.8.11
Centronics Transmitter Event Register (PIPE).................................... 7-349
7.13.8.12
Centronics Channel Reception............................................................ 7-350
7.13.8.13
Centronics Receiver Memory Map ...................................................... 7-350
7.13.8.14
Buffer Descriptor Table Pointer (RBASE) ........................................... 7-351
7.13.8.15
Centronics Function Code Register (CFCR) ....................................... 7-351
7.13.8.16
Receiver Buffer Descriptor Pointer (RBPTR) ...................................... 7-352
7.13.8.17
Centronics Receiver Programming Model........................................... 7-352
7.13.8.18
Centronics Control Characters ............................................................ 7-352
7.13.8.19
Centronics Silence Period ................................................................... 7-354
7.13.8.20
Centronics Receiver Command Set .................................................... 7-354
7.13.8.20.1
INIT RX PARAMETERS Command .................................................... 7-354
7.13.8.20.2
CLOSE RX BD Command................................................................... 7-354
7.13.8.21
Receiver Errors ................................................................................... 7-354
7.13.8.21.1
Buffer Descriptor Busy ........................................................................ 7-354
7.13.8.22
Centronics Receive Buffer Descriptor ................................................. 7-354
7.13.8.23
Centronics Receiver Event Register (PIPE)........................................ 7-355
7.13.9
Port B Registers .................................................................................. 7-356
F
re
e
sc
a
le
S
e
m
ic
o
n
d
u
c
to
r,
I
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
n
c
..
.