144TCC8600 Pin DescriptionTELECHIPS Inc. www.telechips.com2.1 TCC8600 Pin DescriptionTable 2.1 TCC8600 Pin DescriptionSignal Name Pin# Type Description – TCC8600SD_CLK 44 I/O SDRAM ClockSD_CKE / GPIO_B[0] 46 I/O SDRAM Clock Enable signal. Active high. / GPIO_B[0]SD_nCS / GPIO_B[1] 47 I/O Chip select signal for SDRAM, Active low / GPIO_B[1]XA[21] / DQM[0] 42 I/O External Bus Address Bit [21] / Data I/O Mask 0XA[20] / DQM[1] 41 I/O External Bus Address Bit [20] / Data I/O Mask 1XA[19] / DQM[1] 39 I/O External Bus Address Bit [19] / Data I/O Mask 1XA[18] / DQM[0] 38 I/O External Bus Address Bit [18] / Data I/O Mask 0XA[17] / ND_CLE 37 I/O External Bus Address Bit [17] / CLE for NAND FlashXA[16] / SD_nRAS / ND_ALE 36 I/O External Bus Address Bit [16] / SDRAM RAS signal / ALE for NAND FlashXA[15] / SD_nCAS 35 I/O External Bus Address Bit [15] / SDRAM CAS signalXA[14] / SD_BA[1] 34 I/O External Bus Address Bit [14] / SDRAM Bank Address 1XA[13] / SD_BA[0] 33 I/O External Bus Address Bit [13] / SDRAM Bank Address 0.XA[12] 32 I/O External Bus Address Bit [12]XA[11] 31 I/O External Bus Address Bit [11]XA[10] 30 I/O External Bus Address Bit [10]XA[9] 29 I/O External Bus Address Bit [9]XA[8] 28 I/O External Bus Address Bit [8]XA[7] 27 I/O External Bus Address Bit [7]XA[6] 23 I/O External Bus Address Bit [6]XA[5] 22 I/O External Bus Address Bit [5]XA[4] 21 I/O External Bus Address Bit [4]XA[3] 20 I/O External Bus Address Bit [3]XA[2] 19 I/O External Bus Address Bit [2]XA[1] 18 I/O External Bus Address Bit [1]XA[0] 17 I/O External Bus Address Bit [0]XD[15] 16 I/O External Bus Data Bit [15]. Internal pull-up resistor enabled at reset.XD[14] 15 I/O External Bus Data Bit [14]. Internal pull-up resistor enabled at reset.XD[13] 14 I/O External Bus Data Bit [13]. Internal pull-up resistor enabled at reset.XD[12] 13 I/O External Bus Data Bit [12]. Internal pull-up resistor enabled at reset.XD[11] 12 I/O External Bus Data Bit [11]. Internal pull-up resistor enabled at reset.XD[10] 11 I/O External Bus Data Bit [10]. Internal pull-up resistor enabled at reset.XD[9] 10 I/O External Bus Data Bit [9]. Internal pull-up resistor enabled at reset.XD[8] 6 I/O External Bus Data Bit [8]. Internal pull-up resistor enabled at reset.XD[7] 5 I/O External Bus Data Bit [7]. Internal pull-up resistor enabled at reset.XD[6] 4 I/O External Bus Data Bit [6]. Internal pull-up resistor enabled at reset.XD[5] 3 I/O External Bus Data Bit [5]. Internal pull-up resistor enabled at reset.XD[4] 2 I/O External Bus Data Bit [4]. Internal pull-up resistor enabled at reset.XD[3] 128 I/O External Bus Data Bit [3]. Internal pull-up resistor enabled at reset.XD[2] 127 I/O External Bus Data Bit [2]. Internal pull-up resistor enabled at reset.XD[1] 126 I/O External Bus Data Bit [1]. Internal pull-up resistor enabled at reset.XD[0] 125 I/O External Bus Data Bit [0]. Internal pull-up resistor enabled at reset.nWE 48 I/O Static Memory Write Enable signal. Active low.nOE 49 I/O Static Memory Output Enable signal. Active low.ND_nWE / GPIO_B[7] 61 I/O NAND flash WE. Active low. / GPIO_B[7]nCS[3] / ND_nOE[3] / GPIO_B[5] 53 I/O External Bus Chip Select [3] / NAND Flash Output Enable [3] / GPIO_B[5]nCS[2] / ND_nOE[2] / GPIO_B[4] 52 I/O External Bus Chip Select [2] / NAND Flash Output Enable [2] / GPIO_B[4]nCS[1] / ND_nOE[1] / GPIO_B[3] 51 I/O External Bus Chip Select [1] / NAND Flash Output Enable [1] / GPIO_B[3]nCS[0] / ND_nOE[0] / GPIO_B[2] 50 I/O External Bus Chip Select [0] / NAND Flash Output Enable [0] / GPIO_B[2]READY / MODE0 64 I Ready information from external device.USBH1_DP / GPIO_B[26] 83 I/O USB Host Port 1 D+ signal / GPIO_B[26]USBH1_DN / GPIO_B[27] 82 I/O USB Host Port 1 D- signal / GPIO_B[27]USBH0_DP / GPIO_B[28] 80 I/O USB Host Port 0 D+ signal / GPIO_B[28]USBH0_DN / GPIO_B[29] 79 I/O USB Host Port 0 D- signal / GPIO_B[29]