MPC8280 datasheet(1376/1386 Pages) FREESCALE

1376 / 1386 page

MPC8280 PowerQUICC II Family Reference Manual, Rev. 1

Index-22

Freescale Semiconductor

overview, 20-15

RISC microcontroller, seeCommunications processor (CP)

RISC timer tables

CP loading tracking, 14-32

features list, 14-27

initializing RISC timer tables, 14-30

interrupt handling, 14-31

overview, 14-27

parameter RAM, 14-27

RAM usage, 14-28

RTMR, 14-29

scan algorithm, 14-31

SET TIMER command, 14-30

table entries, 14-29

timer counts, comparing, 14-32

TM_CMD, 14-29

tracking CP loading, 14-32

RMR (reset mode) register, 5-5

RSR (reset status) register, 5-4

RSTATE (internal receiver state) register, 29-10

RTMR (RISC timer mask register), 14-29

RTSCR (RISC time-stamp control register), 14-11

RTSR (RISC time-stamp register), 14-12

SCC memory map, 3-19

SCCE (SCC event) register

BISYNC mode, 23-15

HDLC mode, 22-12

transparent mode, 24-12

UART mode, 21-19

SCCE register

Ethernet mode, 25-20

SCCM (SCC mask) register

BISYNC mode, 23-15

HDLC mode, 22-12

transparent mode, 24-12

UART mode, 21-19

SCCM register

Ethernet mode, 25-20

SCCS (SCC status) register

BISYNC mode, 23-16

HDLC mode, 22-14

transparent mode, 24-13

UART mode, 21-21

SCIT programming, 15-33

SCPRR_H (CPM high interrupt priority register), 4-19

SCPRR_L (CPM low interrupt priority register), 4-20

SDMA channels

bus arbitration, 19-2

bus transfers, 19-2

LDTEA, 19-4

LDTEM, 19-4

overview, 19-1

PDTEA, 19-4

PDTEM, 19-4

programming model, 19-3

registers, 19-3

SDMR, 19-4

SDSR, 19-3

SDMR (SDMA mask register), 19-4

SDRAM interface, see SDRAM machine

SDSR (SDMA status register), 19-3

Serial communications controllers (SCCs)

AppleTalk mode

connecting to AppleTalk, 26-2

operating LocalTalk frame, 26-1

overview, 26-1

programming example, 22-22, 26-4

programming the controller, 26-3

BISYNC mode

commands, 23-4

control character recognition, 23-5

error handling, 23-9

frame reception, 23-3

frame transmission, 23-2

overview, 23-1

parameter RAM, 23-3

programming example, 23-18

programming the controller, 23-17

receiving synchronization sequence, 23-9

RxBD, 23-12

sending synchronization sequence, 23-9

TxBD, 23-14

Ethernet mode

address recognition, 25-11

collision handling, 25-12

commands, 25-9

connecting to Ethernet, 25-4

error handling, 25-13

frame reception, 25-6

hash table algorithm, 25-12

loopback, 25-13

overview, 25-1

programming example, 25-22

programming the controller, 25-9

receive buffer, 25-16

transmit buffer, 25-18

HDLC mode

accessing the bus, 22-18

bus controller, 22-16

collision detection, 22-16, 22-19

commands, 22-5

delayed RTS mode, 22-20

MPC8280 Datasheet(PDF) 1376 Page - Freescale Semiconductor, Inc

MPC8280 Datasheet(HTML) 1376 Page - Freescale Semiconductor, Inc

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