SPEAR-09-H022 datasheet(21/55 Pages) STMICROELECTRONICS

No. de pieza	SPEAR-09-H022

Descripción Electrónicos	SPEAr Head ARM 926, 200K customizable eASIC gates, large IP portfolio SoC

PDF	55 Pages

Scroll/Zoom	100%

Fabricante Electrónico	STMICROELECTRONICS [STMicroelectronics]

Página de inicio	http://www.st.com

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21 / 55 page

SPEAR-09-H022

4 Pin Description

21/55

SMI

SMINCS[1]

G21

Serial Flash chip select

TTL bidirectional

buffer,

3.3 V capable,

4 mA drive capability

SMINCS[2]

F22

SMINCS[3]

F21

SMICLK

H20

Output

Serial Flash output clock

TTL bidirectional

buffer,

3.3 V capable,

8 mA drive capability

SMIDATAIN

H21

Input

Serial Flash data in

TTL bidirectional

buffer,

3.3 V capable,

8 mA drive capability,

with Pull Up

SMIDATAOUT

H22

Output

Serial Flash data out

TTL bidirectional

buffer,

3.3 V capable,

8 mA drive capability

UARTs

UART1_RXD

P19

Input

Uart1 RX data

TTL bidirectional

buffer,

3.3 V capable,

4 mA drive capability,

with Pull Down

UART1_TXD

P20

Output

Uart1 TX data

TTL bidirectional

buffer,

3.3 V capable,

4 mA drive capability

UART2_RXD

P21

Input

Uart2 RX data

TTL bidirectional

buffer,

3.3 V capable,

4 mA drive capability,

with Pull Down

UART2_TXD

P22

Output

Uart2 TX data

TTL bidirectional

buffer,

3.3 V capable,

4 mA drive capability

UART3_RXD

R19

Input

Uart3 RX data

TTL bidirectional

buffer,

3.3 V capable,

4 mA drive capability,

with Pull Down

UART3_TXD

R20

Output

Uart3 TX data

TTL bidirectional

buffer,

3.3 V capable,

4 mA drive capability

Table 1.

Pin description by functional groups (continued)

Group

Signal Name

Ball

Direction

Function

Pin Type

SPEAR-09-H022 Datasheet(PDF) 21 Page - STMicroelectronics

SPEAR-09-H022 Datasheet(HTML) 21 Page - STMicroelectronics

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