MC68000 MOTOROLA [Motorola, Inc], MC68000 Datasheet - Page 15

• Manufacturer Part Number: MC68000
• Manufacturer: MOTOROLA [Motorola, Inc]

E.1.1.3.6
E.1.1.3.7
E.1.1.3.8
E.1.1.3.9
E.1.1.3.10
E.1.1.3.11
E.1.1.4
E.1.1.4.1
E.1.1.4.2
E.1.1.4.3
E.1.1.5
E.1.1.5.1
E.1.1.5.2
E.1.1.5.3
E.1.2
E.1.2.1
E.1.2.2
E.1.2.3
E.1.2.4
E.1.2.5
E.2
E.2.1
E.2.1.1
E.2.1.1.1
E.2.1.1.2
E.2.1.1.3
E.2.1.2
E.2.1.2.1
E.2.1.2.2
E.2.1.2.3
E.2.1.2.4
E.2.1.2.5
E.2.1.2.6
E.2.1.3
E.2.1.3.1
E.2.1.3.2
E.2.1.3.3
E.2.1.3.4
E.2.1.3.5
E.2.1.3.6
E.2.1.3.7
E.2.1.3.8
E.2.1.3.9
E.2.1.4
E.2.1.4.1
Paragraph
Number
MOTOROLA
ABTSC—Abort Sequence Counter. ......................................................E-10
NMARC—Nonmatching Address Received Counter. ........................... E-10
RETRC—Frame Retransmission Counter. ........................................... E-10
MFLR—Maximum Frame Length Register............................................E-10
HMASK—HDLC Frame Address Mask ................................................. E-10
HADDR1, HADDR2, HADDR3, and HADDR4-HDLC Frame Address..E-10
Receive Buffer Descriptors.................................................................... E-10
Receive BD Control/Status Word. .........................................................E-11
Receive Buffer Data Length. ................................................................. E-12
Receive Buffer Pointer. ......................................................................... E-12
Transmit Buffer Descriptors................................................................... E-12
Transmit BD Control/Status Word. ........................................................E-12
Transmit Buffer Data Length. ................................................................ E-13
Transmit Buffer Pointer. ........................................................................ E-13
Programming the SCC for HDLC ..........................................................E-13
CP Initialization...................................................................................... E-13
General and HDLC Protocol-Specific RAM Initialization .......................E-13
SCC Initialization ................................................................................... E-14
SCC Operation ...................................................................................... E-14
SCC Interrupt Handling ......................................................................... E-14
UART Programming Reference Section ...............................................E-15
UART Programming Model ................................................................... E-15
Communications Processor (CP) Registers.......................................... E-17
Command Register (CR)....................................................................... E-17
Serial lnterface Mode Register (SlMODE)............................................. E-18
Serial Interface Mask Register (SIMASK). ............................................E-19
Per SCC Registers. ............................................................................... E-19
Serial Configuration Register (SCON)................................................... E-19
SCC Mode Register (SCM). ..................................................................E-20
SCC Data Synchronization Register (DSR). ......................................... E-22
UART Event Register (SCCE)...............................................................E-22
UART Mask Register (SCCM)...............................................................E-23
UART Status Register (SCCS)..............................................................E-23
General and UART Protocol-specific Parameter RAM..........................E-23
RFCR/TFCR—Rx Function Code/Tx Function Code. ........................... E-24
MRBLR—Maximum Rx Buffer Length................................................... E-24
MAX_IDL—Maximum IDLE Characters. ...............................................E-24
BRKCR—Break Count Register............................................................E-24
PAREC—Receive Parity Error Counter. ............................................... E-24
FRMEC—Receive Framing Error Counter. ........................................... E-24
NOSEC—Receive Noise Counter. ........................................................E-24
BRKEC—Receive Break Condition Counter. ........................................ E-24
UADDR1 and UADDR2......................................................................... E-24
Receive Buffer Descriptors.................................................................... E-25
Receive BD Control/Status Word. .........................................................E-26
MC68302 USER’S MANUAL
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