TCC76 datasheet(26/259 Pages) ETC2

26 / 259 page

TCC76x

Specification Rev. 0.07

February 23, 2005

32-bit RISC Microprocessor for Digital Media Player

INTRODUCTION

Preliminary

1-16

1.4.3 TCC763 / TCC764 Pin Description

Table 1.5 TCC763 / TCC764 Pin Description

Signal Name

Shared Signal

Ball

Type Description – TCC763/ TCC764

External Memory Interface Pins

SD_CKE

GPIO_B[0]

I/O

SDRAM Clock Enable signal. Active high. / GPIO_B[0]

SD_CLK

GPO

I/O

SDRAM Clock / GPO. SD_CLK can be used as a general

purpose output. Refer to section “MEMORY CONTROLLER”.

(MCFG register Bit[3] and Bit[1])

SD_nCS

SD_nCLK / GPIO_B[1]

I/O

Chip select signal for SDRAM, Active low / Inverted SD_CLK for

DDR SDRAM / GPIO_B[1]

XA[21:20]

DQM[0:1]

L4,K4

I/O

External Bus Address Bit [21:20] / Data I/O Mask 0, 1

XA[19:18]

DQS[1:0]

K3,L2

I/O

External BusAddress Bit [19:18] / DDR SDRAM Data Strobe [1:0]

XA[17]

ND_CLE

I/O

External Bus Address Bit [17] / CLE for NAND Flash

XA[16]

SD_nRAS / ND_ALE

I/O

External Bus Address Bit [16] / SDRAM RAS signal / ALE

for NAND Flash

XA[15]

SD_nCAS

I/O

External Bus Address Bit [15] / SDRAM CAS signal

XA[14]

SD_BA[1]

I/O

External Bus Address Bit [14] / SDRAM Bank Address 1

XA[13]

SD_BA[0]

I/O

External Bus Address Bit [13] / SDRAM Bank Address 0.

XA[12:0]

J4, K2

M4, J1

H4, H5

H1, G6

H2, G5

G4, G7

I/O

External Bus Address Bits [12:0]

XD[15:0],

A3, F4

E2, E5

D8, F7

E1, F6

E3, D4

C2, B1

A7, B2

A10, F8

I/O

External Bus Data Bit [15:0]

NCS[3]

ND_nOE[3] / GPIO_B[5]

I/O

NCS[2]

ND_nOE[2] / GPIO_B[4]

I/O

NCS[1]

ND_nOE[1] / GPIO_B[3]

I/O

NCS[0]

ND_nOE[0] / GPIO_B[2]

I/O

External Bus Chip Select [3:0] / NAND Flash Output Enable

[3:0] / GPIO_B[5:2]

ND_nWE

GPIO_B[7]

L10

I/O

NAND flash WE.Active low. / GPIO_B[7]

nWE

I/O

Static Memory Write Enable signal. Active low.

nOE

I/O

Static Memory Output Enable signal. Active low.

READY

J11

Ready information from external device.

FCSN

A12

NOR Flash Chip Select. Should be connected to nCS[3].

USB/UART/IrDA Interface Pins

USB_DP

GPIO_B[26]

I/O

USB Function D+ signal / GPIO_B[26]

USB_DN

GPIO_B[27]

I/O

USB Function D- signal / GPIO_B[27]

USBH_DP

GPIO_B[28]

I/O

USB Host D+ signal / GPIO_B[28]

USBH_DN

GPIO_B[29]

I/O

USB Host D- signal / GPIO_B[29]

UT_TX

GPIO_B[8] / SD_nCS

M10

I/O

UART or IrDA TX data / GPIO_B[8] / DDR SDRAM Chip

Select

UT_RX

GPIO_B[9] / IDE_nCS1

I/O

UART or IrDARX data / GPIO_B[9] / IDE Chip Select 1

Audio Interface Pins

TCC76 Datasheet(PDF) 26 Page - List of Unclassifed Manufacturers

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