NEC UPD98413 User Manual page 300

(148) Receive 1st Z2 drop register 2 (Z2FMR)
The Z2FMR register is used for storing the receive 1st Z2 byte.
Register
Name
Port0:
Z2FMR 0384 H
31 30 29 28
15 14 13 12
Reserved
Bit Field
D31-D8 Reserved
D7-D0 Z2FM[7:0] Stores the receive 1st Z2 byte. This field is updated when 12 contiguous frames
containing the same bit 7-8 of 1st Z2 byte are received after the contents of the
register are changed.
(149) Receive J1 drop register (J1R)
The J1R register is used for storing the receive J1 byte.
Register
Name
Port0:
J1R 0388 H
31 30 29 28
15 14 13 12
Reserved
Bit Field
D31-D8 Reserved
D7-D0 J1[7:0] Stores the receive J1 byte. This field is updated each time a frame is received.
300
CHAPTER 5 REGISTERS
Address
Port1: Port2: Port3:
0784 H 0B84 H 0F84 H
27 26 25 24
Reserved
11 10 9 8
Address
Port1: Port2: Port3:
0788 H 0B88 H 0F88 H
27 26 25 24
Reserved
11 10 9 8
PRELIMINARY
Access Default
R
00000000 H
23 22 21 20
7 6 5 4
Z2FM[7:0]
Function
Access Default
R
00000000 H
23 22 21 20
7 6 5 4
J1[7:0]
Function
19 18 17 16
3 2 1 0
Default
0
0
19 18 17 16
3 2 1 0
Default
0
0
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