參數(shù)資料
型號: MC68QH302
廠商: Motorola, Inc.
英文描述: 32-Bit Microprocessor(32位微處理器)
中文描述: 32位微處理器(32位微處理器)
文件頁數(shù): 4/50頁
文件大?。?/td> 6613K
代理商: MC68QH302
MOTOROLA
Contents
iii
CONTENTS
Paragraph
Number
Title
Page
Number
1.1
1.2
2.1
2.1.1
2.1.2
2.2
2.2.1
2.2.2
2.3
2.4
2.5
2.6
2.6.1
2.6.2
2.6.3
2.6.4
2.6.5
2.6.6
2.6.6.1
2.6.7
2.6.7.1
2.6.8
2.6.9
2.6.10
2.6.11
2.6.12
2.6.13
2.6.14
2.7
2.8
2.8.1
2.8.2
2.8.3
2.8.4
2.8.5
2.9
Overview..................................................................................................................1
Features....................................................................................................................2
Dual-Port RAM Map...............................................................................................3
Non-QH Mode Parameter RAM Map .................................................................4
QH Mode Parameter RAM Map..........................................................................5
Global QH Parameters.............................................................................................7
Global QH Mode .................................................................................................7
QH Type and Revision Number ..........................................................................7
B1-Channel Parameter RAM...................................................................................8
B2-Channel Parameter RAM.................................................................................10
D-Channel Parameter RAM...................................................................................13
Channel Parameter Descriptions............................................................................14
RSTATEReceive Internal State.....................................................................14
T_MODETransmit Mode ..............................................................................16
TSTATETransmit Internal State....................................................................16
BTMODEB-Channel Transmit Mode ...........................................................17
BNOFB-Channel Number of Flags ...............................................................17
B_STAT1B-Channel Receiver Status ...........................................................18
B-Channel-Overrun and B-Channel-Receiver-Valid Flags...........................18
B_STAT2B-Channel Transmitter Status.......................................................19
B-Channel-Underrun and B-Channel-Transmitter-Valid Flags ....................19
RBASE and TBASEDescriptor Table Base Addresses.................................20
TBDPTR and RBDPTRTx/Rx Buffer Descriptor Pointers...........................20
TFCR and RFCRData Buffer Function Code Registers................................20
MRBLRMaximum Receive Buffer Length Register.....................................20
C_MASK_L/HConstant for CRC Check.......................................................21
T_F_MASK and R_F_MASKTx/Rx Framer Bit Masks...............................21
Other Channel Parameters.................................................................................21
Non-QH Channel Parameter RAM........................................................................22
SCC Mode Register (SCM)...................................................................................23
HDLC Mode Settings ........................................................................................23
UART Mode Settings ........................................................................................24
V.110 Mode Settings .........................................................................................24
Totally Transparent Mode Settings....................................................................24
QH Mode Settings .............................................................................................24
QH302 Buffer Descriptor (BD) Structure..............................................................25
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