SPEAR600 datasheet(24/97 Pages) STMICROELECTRONICS

24 / 97 page

Pin description

SPEAr600

24/97

Doc ID 16259 Rev 3

Pin description

The following tables describe the pinout of the SPEAr600 listed by functional block.

This description refers to the default configuration of SPEAr600 (full features).

More details on the configuration of each pin are given in Table 16: Multiplexing scheme.

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Table 2: System reset, master clock, RTC and configuration pins

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Table 3: Power supply pins

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Table 4: Debug pins

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Table 5: SMI, SSP, UART, FIRDA and I2C pins

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Table 6: USB pins

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Table 7: Ethernet pins

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Table 8: GPIO pins

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Table 9: ADC pins

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Table 10: NAND Flash I/F pins

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Table 11: DDR I/F pins

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Table 12: LCD I/F pins

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Table 13: LVDS I/F pins

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Table 14: EXPI/I2S pins

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Table 15: EXPI pins

List of abbreviations:

PU = Pull Up

PD = Pull Down

3.1

Required external components

DDR_COMP_1V8: place an external 121 k

Ω resistor between ball V7 and ball V8

DDR_COMP_2V5: place an external 121 k

Ω resistor between ball V9 and ball V8

USB_RREF: connect an external 1.5 k

Ω pull-down resistor to ball U4

DIGITAL_REXT: place an external 121 k

Ω resistor between ball E11 and ball E126.

3.2

Pin descriptions listed by functional block

Table 2.

System reset, master clock, RTC and configuration pins

Group

Signal name

Ball

Direction

Function

Pin type

SYSTEM

RESET

MRESET

C17

Input

Main reset

TTL Schmitt

trigger input

buffer,

3.3 V tolerant, PU

CONFIG

DIGITAL_REXT

E11

Ref

Configuration

Analog,

3.3 V capable,

See Note 4

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