SPEAR320 datasheet(28/73 Pages) STMICROELECTRONICS

28 / 73 page

Pin description

SPEAr320

28/73

Doc ID 16755 Rev 5

Table 5.

Debug pin description

Signal name

Ball

Direction

Function

Pin type

TEST_0

K16

Test configuration

ports. For functional

mode, they have to be

set to zero.

TTL input buffer, 3.3 V

tolerant, PD

TEST_1

K15

TEST_2

K14

TEST_3

K13

TEST_4

J15

BOOT_SEL

J14

Reserved, to be fixed

at high level

nTRST

L16

Test reset input

TTL Schmitt trigger

input buffer, 3.3 V

tolerant, PU

TDO

L15

Out

Test data output

TTL output buffer,

3.3 V capable 4 mA

TCK

L17

Test clock

TTL Schmitt trigger

input buffer, 3.3 V

tolerant, PU

TDI

L14

Test data input

TMS

L13

Test mode select

Table 6.

SMI pin description

Signal name

Ball

Direction

Function

Pin type

SMI_DATAIN

M13

Serial Flash input

data

TTL Input Buffer 3.3 V

tolerant, PU

SMI_DATAOUT

M14

Out

Serial Flash output

data

TTL output buffer

3.3 V capable 4 mA

SMI_CLK

N17

I/O

Serial Flash clock

SMI_CS_0

M15

Out

Serial Flash chip

select

SMI_CS_1

M16

Table 7.

USB pin description

Group

Signal name

Ball

Direction

Function

Pin type

USB

Device

USB_DEVICE_DP

I/O

USB Device D+

Bidirectional

analog buffer 5 V

tolerant

USB_DEVICE_DM

USB Device D-

USB_DEVICE_VBUS

USB Device

VBUS

TTL input buffer

3.3 V tolerant, PD

SPEAR320 数据表(PDF) 28 Page - STMicroelectronics

SPEAR320 数据表(HTML) 28 Page - STMicroelectronics

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73

数据表下载

链接网址

SPEAR320 数据表(PDF) 28 Page - STMicroelectronics

SPEAR320 数据表(HTML) 28 Page - STMicroelectronics

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73

数据表 下载

链接网址

数据表下载