Sharp LC-32LE631E Service Manual page 81

IC Data Sheets (continued)
8.8 Diagram Ethernet & Service
Block diagram
MODE0
MODE1
MODE Control
MODE2
Reset
nRST
Control
RMIISEL
TXD[0:3]
TXEN
TXER
TXCLK
RXD[0:3]
RXDV
RXER
RXCLK
CRS
COL/CRS_DV
MDC
MDIO
Pinning information
B04C, LAN8710A-EZKH (IC 7E10)
Auto-
Negotiation
100M Tx
Management
SMI
Control
100M Rx
DSP System:
Logic
Clock
Data Recovery
Equalizer
Receive Section
10M Rx
Logic
10M PLL
VDD2A 1
LED2/nINTSEL 2
LED1/REGOFF 3
LAN8710/LAN8710i
XTAL2 4
XTAL1/CLKIN 5
VDDCR 6
RXCLK/PHYAD1 7
RXD3/PHYAD2 8
Figure 8-8 Internal block diagram and pin configuration
10M Tx 10M
Logic Transmitter
Transmit Section
100M
Logic Transmitter
Analog-to-
Digital
100M PLL
Squelch &
Filters
24 TXD2
23 TXD1
22 TXD0
SMSC
21 TXEN
32 PIN QFN
20 TXCLK
(Top View)
19 nRST
18 nINT/TXER/TXD4
VSS
17 MDC
81
LC-32LE631
LC-40LE631
LC-46LE631
HP Auto-MDIX
TXP / TXN
RXP / RXN
MDIX
Control
XTAL1/CLKIN
PLL
XTAL2
Interrupt
nINT
Generator
LED1
LED Circuitry
LED2
Central
RBIAS
Bias
PHY
Address PHYAD[0:2]
Latches
18770_302_100217.eps
100217