UC3C-EK

UC3C-Specific Information

Table 1. UC3C Pinout for the EEPROM
QFP144 pin GPIO GPIO Alternate functions Feature
73 PC02 TWIMS0_TWD TWI Data
74 PC03 TWIMS0_TWCK TWI Clock
Table 2. UC3C Pinout for the Atmel DataFlash
QFP144 pin GPIO GPIO Alternate functions Feature
58 PB19 SPI1.MISO Dataflash SO
59 PB20 SPI1.MOSI Dataflash SI
60 PB21 SPI1.SCK Dataflash SCK
63 PB24 SPI1.NPCS1 Dataflash #CS
142 N.A. N.A. RESET_N pin Dataflash #RESET
Table 3. UC3C Pinout for the SD/MMC Slot
QFP144 pin GPIO GPIO Alternate functions Feature
58 PB19 SPI1.MISO SD SO
59 PB20 SPI1.MOSI SD SI
60 PB21 SPI1.SCK SD SCK
61 PB22 SPI1.NPCS3 SD #CS
139 PD30 GPIO[28] SD Write Protect
47 PA28 GPIO[126] SD Card Protect
Table 4. UC3C Pinout for the SDRAM
QFP144 pin GPIO GPIO Alternate functions Feature

92-106

107-109

PC19-31

PD0-2

EBI D0 - EBI D12

EBI D13- EBI D15

SDRAM Data Bus

112-124

126-127

129-130

PD5-15

PD17-18

PD20-21

EBI A2-A11

EBI A13-A14

EBI A16-A17

SDRAM Address Bus
122 PD13 EBI SDCK SDRAM Clock
87 PC14 EBI SDCKE SDRAM SDCKE
88 PC15 EBI SDWEN SDRAM SDWEN
89 PC16 EBI CASn SDRAM CASn
90 PC17 EBI RASn SDRAM RASn
91 PC18 EBI SDA10 SDRAM SDA10
97 PD24 EBI DQM1 SDRAM DQM1
110 PD3 EBI DQM0 SDRAM DQM0
136 PD27 EBI CS SDRAM CS