User's Manual

JukeBlox Networked Media Modules – CX Series
Datasheet
SMSC CX860/CX870 25 Revision 2.2 (11-08-11)
SMSC CONFIDENTIAL
J1 – LCD Connector
Function GPIO IC PIN Signal Signal IC PIN GPIO Function
GND
12
GND
Y7 LCDD0
34
LCDD1 W7
V7 LCDD2
56
LCDD3 Y6
W6 LCDD4
78
LCDD5 V6
U6 LCDD6
910
LCDD7 Y5
W5 LCDD8
11 12
LCDD9 V5
U5 LCDD10
13 14
LCDD11 Y4
W4 LCDD12
15 16
LCDD13 V4
U4 LCDD14
17 18
LCDD15 Y3
W3 LCDD16
19 20
LCDD17 Y2
GND
21 22
GND
Y9 LCDCLK
23 24
LCDCTRL0 W9
Y8 LCDCTRL1
25 26
LCDCTRL2 W8
V8 LCDCTRL3
27 28
GND
GND
29 30
GND
PIN Number
LCD Interface
LCD Interface
LCD Interface
LCD Interface
Note: The IC PIN column indicates the pin number on the DM860 or DM870 integrated circuit. This
allows for easy cross-reference to the DM860 or DM870 data sheet information.
J3 – Low Density Connector
Function GPIO IC PIN Signal Signal IC PIN GPIO Function
GND 12GND
VIN (+3.3) 34RXD0
VIN (+3.3) 56TXD0
GND 78GND
VIN (+1.9) 910VIN (+1.2)
VIN (+1.9) 11 12 VIN (+1.2)
GND 13 14 GND
Free GPIO-15
N18 NWAIT 15 16 RXD1 B17
iPod NDETECT GPIO-19
L18 NCS2 17 18 TXD1 A17
NRESET 19 20 GND
F4 3V3RTC
21 22
AV2CTRL1 T1 MCLK
GND 23 24 AV2CTRL0 T2 LRCK
F17 SPI_DIN 25 26 AV2CLK R4 SCLK
E17 SPI_DOUT 27 28 AV2DATA2 T4 A/D data 0
D17 SPI_CLK 29 30 AV2DATA0 U2 D/A data 0
D16 SPI_NCS0 31 32 AV4DATA1 W2 SPDIF output
Free GPIO-17 D15 NCS3 33 34 AV4DATA0 Y1 SPDIF input
GND 35 36 GND
E-GPIO_NCS/TBA GPIO-11
C16 SSMD7 37 38 USB_DN A1
I2C SDA GPIO-14
V1 AV3CTRL1 39 40 USB_DP B1
I2C SCL GPIO-13 V2 AV3CTRL0 41 42 USBVBUSDRV
GND 43 44 USB_VBUS
SPI_REQ GPIO-06 L1 PDOUT1
45 46
GND
Factory Reset GPIO-04 M1 PDOUT0 47 48 SSMD5 K20
GPIO-09
E-GPIO_SDI/TBA
IR input GPIO-05 M2 VCO0 49 50 SSMD4 C15 GPIO-08
E-GPIO_SDO/TBA
GND 51 52 GND
ETH_LED_SPEED 53 54 ETH_LED_ACT
iPod Access Power
GPIO-03 V11 MIITXCLK 55 56 SSMD6 B16 GPIO-10
E-GPIO_CLK/TBA
ETH_RXN 57 58 ETH_RXP
ETH_TXN 59 60 ETH_TXP
Free GPIO-00 MMIICRS 61 62 MIICOL
GPIO-01 Free
GND
63 64
GND
PIN Number
Debug UART
USB
SPI
Ethernet
EthernetEthernet
Ethernet
Note: The IC PIN column indicates the pin number on the DM860 or DM870 integrated circuit. This
allows for easy cross-reference to the DM860 or DM870 data sheet information.