MC68HC58 Motorola, MC68HC58 Datasheet - Page 4
MC68HC58
Manufacturer Part Number
MC68HC58
Description
Data Link Controller
Manufacturer
Motorola
Datasheet
1.MC68HC58.pdf
(102 pages)
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Paragraph
2.2.1.14
2.2.1.15
2.2.1.16
2.2.1.17
2.2.1.18
2.2.1.19
2.2.2
2.3
2.4
2.4.1
2.4.2
2.5
2.5.1
2.5.2
2.5.3
2.6
3.1
3.1.1
3.1.2
3.1.2.1
3.1.2.2
3.1.3
3.1.4
3.1.5
3.1.6
3.1.7
3.1.8
3.1.9
3.1.10
3.2
3.2.1
3.2.2
3.2.3
3.2.4
3.2.5
3.2.6
3.2.7
3.2.8
3.2.9
iv
MOTOROLA
Bus Loading ............................................................................................ 2-12
DLC Clock Sources ................................................................................. 2-12
Power Supply Connections ..................................................................... 2-13
Reset ....................................................................................................... 2-17
J1850 Frame Format ................................................................................. 3-1
J1850 VPW Valid/Invalid Bits and Symbols .............................................. 3-5
Example DLC Serial Mode System ................................................. 2-10
Logic Clock ...................................................................................... 2-12
Host Interface Clock ........................................................................ 2-12
Method 1 — All Supplies Applied .................................................... 2-14
Method 2 — Switching VDD With PSEN ......................................... 2-15
Method 3 — Switching VDD and VCC Simultaneously ................... 2-16
SOF — Start of Frame Symbol ......................................................... 3-2
Data — In Frame Data Bytes ............................................................ 3-2
CRC — Cyclical Redundancy Check Byte ........................................ 3-3
EOD — End of Data Symbol ............................................................. 3-3
NB — Normalization Bit ..................................................................... 3-3
IFR — In-Frame Response Bytes ..................................................... 3-4
EOF — End of Frame Symbol ........................................................... 3-4
IFS — Inter-Frame Separation Symbol ............................................. 3-4
BREAK — Break ............................................................................... 3-4
Idle Bus ............................................................................................. 3-5
Invalid Passive Bit ............................................................................. 3-7
Valid Passive Logic Zero ................................................................... 3-7
Valid Passive Logic One ................................................................... 3-7
Valid EOD Symbol ............................................................................. 3-7
Valid EOF and IFS Symbol ............................................................... 3-7
Idle Bus ............................................................................................. 3-7
Invalid Active Bit ................................................................................ 3-7
Valid Active Logic One ...................................................................... 3-8
Valid Active Logic Zero ...................................................................... 3-8
SOMI — Slave Out Master In .................................................... 2-9
VBATT — Battery Voltage ........................................................ 2-9
VCC — Analog Power Supply Voltage ..................................... 2-9
VDD — Digital Power Supply Voltage ....................................... 2-9
VSSA — Analog Power Ground ................................................ 2-9
VSSD — Digital Power Ground ................................................. 2-9
Logic Zero ................................................................................. 3-3
Logic One .................................................................................. 3-3
SECTION 3 J1850 FRAME FORMAT
TABLE OF CONTENTS
(Continued)
Title
TECHNICAL DATA
MC68HC58
Page