Philips ME8 Service Manual page 133

Circuit Descriptions, Abbreviation List, and IC Data Sheets
9.4.11 Diagram B09B, STE100P (IC 7NA1)
Block Diagram
LEDS
LEDS
TX_CLK
TXD[3:0]
TX_ER
TX_EN
MDC
MDIO
RXD[3:0]
RX_ER
RX_DV
RX_CLK
HW
configuration
pins
HW Config
Power Down
Pin Configuration
TX Channel
100Mb/s
Parallel to
Scrambler
4B/5B
Serial
10Mb/s
NRZ To Manchester
Encoder
REGISTERS
RX Channel
100Mb/s
Descrambler
Serial to
4B/5B Code Align
Parallel
NRZ To Manchester
10Mb/s
Encoder
64 63 62 61 60
1
mf4
2
mf3
3
mf2
4
mf1
5
mf0
6
fde
7
gnda
8
nc
9
vcca
gnda 10
x2 11
12
x1
13
vcca
14
gnda
iref 15
vcca 16
17 18 19 20 21
Figure 9-14 Internal block diagram and pin configuration
NRZ To NRZI Binary To MLT3
Encoder
Encoder
Link Pulse
Generator
Auto
Loopback
Negotiation
Binary To MLT3
Decoder
NRZI To NRZ
Clock Recovery
Decoder
10 TX Filter
Link Pulse
Detector
Clock Recovery
59 58 57 56 55 54 53 52 51 50 49
STE100P
22 23 24 25 26 27 28 29 30 31 32
Q528.2E LA
TRANSMITTER
10/100
10 TX
Filter
Clock
Generation
Adaptive
Equalization
BaseLine
Wander
RECEIVER
10/100
SMART
Squelch
48
rx_dv
47 rxd0
46 rxd1
45 vcce/i
44 rdx2
43
rdx3
42 mdc
41 mdio
40 gnde/i
39 vcce/i
38 ledr10
37 ledtr
36 ledl
35 ledc
34 leds
33 test_se
9. EN 133
TXP
TXN
System
Clock
RXP
RXN
H_17650_081.eps
150108