參數(shù)資料
型號(hào)： MC68HC705V8B
廠商： MOTOROLA INC
元件分類： 微控制器/微處理器
英文描述： 8-BIT, OTPROM, 2.1 MHz, MICROCONTROLLER, PDIP56
封裝： SDIP-56
文件頁數(shù)： 129/172頁
文件大?。?/td> 615K
代理商： MC68HC705V8B
MOTOROLA
Page vii
MC68HC705V8 Specification Rev. 2.1
15.2.4
MDLC TX CONTROL REGISTER (MTCR) $10 ................106
15.2.5
MDLC RX STATUS REGISTER (MRSR) $11...................107
15.3
MDLC Rx/Tx BUFFERS .........................................................108
15.3.1
OUTLINE ...........................................................................108
15.3.2
RX BUFFERS....................................................................110
15.3.3
TX BUFFER ......................................................................111
15.4
MDLC PROTOCOL HANDLER ..............................................113
15.4.1
OUTLINE ...........................................................................113
15.4.2
Rx & Tx SHIFT REGISTERS ............................................114
15.4.3
STATE MACHINE .............................................................114
15.5
MDLC MUX INTERFACE .......................................................117
15.5.1
Rx DIGITAL FILTER..........................................................117
15.5.2
J1850 FRAME FORMAT ...................................................119
15.5.3
J1850 VPW SYMBOLS .....................................................121
15.5.4
J1850 VPW VALID/INVALID BITS & SYMBOLS ..............123
15.5.5
MESSAGE ARBITRATION ...............................................127
15.6
MDLC PHYSICAL INTERFACE .............................................129
15.6.1
OUTLINE ...........................................................................129
15.6.2
MUX INTERFACE SIGNALS ............................................131
15.6.3
PINS ..................................................................................132
15.7
MDLC APPLICATION NOTES ...............................................133
15.7.1
INITIALIZATION ................................................................133
15.7.2
TRANSMITTING A MESSAGE .........................................133
15.7.3
RECEIVING A MESSAGE ................................................133
15.7.4
RECEIVING A MESSAGE IN BLOCK MODE ...................134
15.7.5
MDLC STOP MODE..........................................................135
15.7.6
MDLC WAIT MODE ..........................................................135
15.7.7
CONTROLLING EXTERNAL VOLTAGE
REGULATORS................................................................135
SECTION 16
INSTRUCTION SET ..................................................... 137
16.1
REGISTER/MEMORY INSTRUCTIONS ................................137
16.2
READ-MODIFY-WRITE INSTRUCTIONS ..............................137
16.3
BRANCH INSTRUCTIONS.....................................................138
16.4
BIT MANIPULATION INSTRUCTIONS...................................138
16.5
CONTROL INSTRUCTIONS ..................................................139
16.6
ADDRESSING MODES ..........................................................139
16.6.1
IMMEDIATE ......................................................................140
16.6.2
DIRECT .............................................................................140
16.6.3
EXTENDED .......................................................................140
16.6.4
RELATIVE .........................................................................140
16.6.5
INDEXED, NO OFFSET ....................................................140
16.6.6
INDEXED, 8-BIT OFFSET ................................................140
16.6.7
INDEXED, 16-BIT OFFSET ..............................................141
16.6.8
BIT SET/CLEAR ................................................................141
16.6.9
BIT TEST AND BRANCH ..................................................141
16.6.10
INHERENT ........................................................................141
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