HCD-CZ1/NAS-CZ1
28
28
HCD-CZ1/NAS-CZ1
6-2. BLOCK DIAGRAM – ETHERNET SECTION –
R-CH
PDOWN
NRESET
IICDATA
IICCLK
80 TXEN_N
82 TXCLK_N
83 TXER_N
75 COL_N
74 CRS_N
86 RXCLK_N
84 RXER_N
94 MDC
95 MDIO
RAS
MD0-15
MD0-15
MA1-19
MA1-19
MA1-12
CAS
LDQM
UDQM
CLK
CKE
WE
CS
RAS
CAS
LDQM
UDQM
CLK
CKE
WE
CS
OE
NC
RXD–
RXD+
TXD–
TXD+
NC
108
FLASH MEMORY
IC504
SD-RAM
IC503
SYSTEM CONTROLLER
IC601(2/3)
ETHERNET CONTROLLER
IC502
D/A CONVERTER
IC505
ETHERNET INTERFACE
IC501
PULSE
TRANSFORMER
T501
128
114
115
124
125
122
X502
24.576MHz
X501
25MHz
X503
11.2896MHz
+2.5V
EVER+3.3V
1
2
6
3
4, 5
7, 8
1
16
J501
(ETHERNET)
14
15
11
9
10
2
3
6
7
8
•
SIGNAL PATH
: ETHERNET
•
R-ch is omitted due to same as L-ch.
w w w . x i a o y u 1 6 3 . c o m
Q Q 3 7 6 3 1 5 1 5 0
9
9
2
8
9
4
2
9
8
T E L
1 3 9 4 2 2 9 6 5 1 3
9
9
2
8
9
4
2
9
8
0
5
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299