Microcontroller User's Manual

8XC196L X SUPPLEMENT
8-20
J_DLY
Address:
Reset State:
1F58H
00H
The J1850 delay (J_DLY) register allows you compensate for the inherent propagation delays and to
accurately resolve bus contention during arbitration. This byte register can be directly addressed
through
windowing .
7 0
— — — DLY4 DLY3 DLY2 DLY1 DLY0
Bit
Number
Bit
Mnemonic
Function
7:5 — Reserved; for compatibility with future devices, write zeros to these bits.
4:0 DLY4:0 Delay Time
These five bits specify the desired propagation delay between the J1850
controller circuitry and the off-chip transceiver device, in units of
microseconds (µs).
Figure 8-18. J1850 Delay (J_DLY) Register