MC68HC58 Motorola, MC68HC58 Datasheet - Page 40

• Manufacturer Part Number: MC68HC58
• Description: Data Link Controller
• Manufacturer: Motorola

3-6
MOTOROLA
Figure 3-4 displays the J1850 passive to active transition symbols. Figure 3-5
displays the J1850 active to passive transition symbols.
ACTIVE
PASSIVE
ACTIVE
PASSIVE
ACTIVE
PASSIVE
ACTIVE
PASSIVE
ACTIVE
PASSIVE
ACTIVE
PASSIVE
A
(1) INVALID PASSIVE BIT - A TO B
(2) VALID PASSIVE LOGIC ZERO - B TO C
(3) VALID PASSIVE LOGIC ONE - C TO D
(4) VALID EOD SYMBOL - D TO E
64 S
B
B
Figure 3-4 J1850 VPW Passive Symbols
128 S
200 S
C
C
J1850 FRAME FORMAT
280 S
300 S
D
D
(5) VALID EOF SYMBOL - E TO F
(6) VALID EOF + IFS SYMBOL - F TO G
E
E
F
F
TECHNICAL DATA
J1850 PASSIVE SYMBOLS
MC68HC58
G