NEC UPD98413 User Manual page 212

(41) Transmit pointer pseudo error register (PEPTR)
The PEPTR register sets pseudo error frame transmission related to the pointer operation as a test function.
Register
Name
Port0:
PEPTR 00CC H
31 30 29 28
15 14 13 12
Bit Field
D31-D1 Reserved Set to 0.
D0 PLOP 1: Transmits pseudo frame for LOP generation. Pseudo frames are successively
0: Normal operation
212
CHAPTER 5 REGISTERS
Address
Port1: Port2: Port3:
04CC H 08CC H 0CCC H
27 26 25 24
Reserved
11 10 9 8
Reserved
transmitted while this bit is 1.
PRELIMINARY
Access Default
R/W 00000000 H
23 22 21 20
7 6 5 4
Function
NEC confidential and Proprietary
19 18 17 16
3 2 1 0
PLOP
Default
0
0