User Manual

Chapter 3. Hardware Description
J1 Pin Description
Pin No Name Description
1 MCDB1 Multimedia Card Slot B Data
2 MCCK Multimedia Card Clock
3
MCDB3
(SPI0_NPCS0)
Multimedia Card Slot B Data
SPI Peripheral Chip Select 0
4 MCDB2 Multimedia Card Slot B Data
5
MCCDB
(SPI0_MOSI)
Multimedia Card Slot B Command
SPI Master Out Slave In
6 SPI0_SPCK SPI Serial Clock
7 HDMA USB Host Port A Data -
8 SPI0_MISO SPI Master In Slave Out
9 HDPA USB Host Port A Data +
10 DDM USB Device Port Data -
11 USBCNX Used when implementing USB Device Port
12 DDP USB Device Port Data +
13 RDY# Output signal for CPU operation status
14 nRESET Microcontroller Reset input
ICE and JTAG
15 NTRST Test Reset Signal
16 RTCK Return Test Clock
17 TDO Test Data Out
18 TMS Test Mode Select
19 TDI Test Data In
20 TCK Test Clock
Power Supplies
21 3.3V 3.0V to 3.6V power input
22 GND Ground
23 3.3V 3.0V to 3.6V power input
24 GND Ground
Universal Synchronous Asynchronous Receiver Transmitter USART1
25 CTS1 USART1 Clear To Send
26 RTS1 USART1 Request To Send
27 TXD1 USART1 Transmit Data
28 RXD1 USART1 Receive Data
29 NC No Connection
30 NC No Connection
Ethernet 10/100
31 LED_Speed
LAN connection speed
Speed Pin State LED
Definition
10Base-T H OFF
100Base-TX L ON
3-4