Introduction

Table 1-4. PXA250 Applications Processor Pinout — Ballpad Number Order (Sheet 1 of 3)

Ball #

Signal

Ball #

Signal

Ball #

Signal

 

 

 

 

 

 

A1

VCCN

F7

GPIO[10]

L13

GPIO[2]

 

 

 

 

 

 

A2

L_DD[13]/GPIO[71]

F8

FFRTS/GPIO[41]

L14

VSSQ

 

 

 

 

 

 

A3

L_DD[12]/GPIO[70]

F9

SSPSCLK/GPIO[23]

L15

TEXTAL

 

 

 

 

 

 

A4

L_DD[11]/GPIO[69]

F10

FFDTR/GPIO[40]

L16

TXTAL

 

 

 

 

 

 

A5

L_DD[9]/GPIO[67]

F11

VCC

M1

MA[14]

 

 

 

 

 

 

A6

L_DD[7]/GPIO[65]

F12

GPIO[9]

M2

MD[21]

 

 

 

 

 

 

A7

GPIO[11]

F13

BOOT_SEL[2]

M3

MA[15]

 

 

 

 

 

 

A8

L_BIAS/GPIO[77]

F14

GPIO[8]

M4

VCCN

 

 

 

 

 

 

A9

SSPRXD/GPIO[26]

F15

VSSQ

M5

MD[1]

 

 

 

 

 

 

A10

SDATA_OUT/GPIO[30]

F16

VSSQ

M6

MD[6]

 

 

 

 

 

 

A11

SDA

G1

MA[0]

M7

MD[7]

 

 

 

 

 

 

A12

FFDCD/GPIO[36]

G2

VSSN

M8

DQM[0]

 

 

 

 

 

 

A13

FFRXD/GPIO[34]

G3

nSDCS[2]

M9

MD[8]

 

 

 

 

 

 

A14

FFCTS/GPIO[35]

G4

nWE

M10

MD[15]

 

 

 

 

 

 

A15

BTCTS/GPIO[44]

G5

nOE

M11

BATT_VCC

 

 

 

 

 

 

A16

SDATA_IN1/GPIO[32]

G6

nSDCS[1]

M12

GPIO[22]

 

 

 

 

 

 

B1

DQM[1]

G7

VCC

M13

nPREG/GPIO[55]

 

 

 

 

 

 

B2

DQM[2]

G8

VSSQ

M14

VCCN

 

 

 

 

 

 

B3

L_DD[15]/GPIO[73]

G9

VCC

M15

VSSN

 

 

 

 

 

 

B4

GPIO[14]

G10

VSSQ

M16

nIOIS16/GPIO[57]

 

 

 

 

 

 

B5

GPIO[13]

G11

TESTCLK

N1

MD[22]

 

 

 

 

 

 

B6

GPIO[12]

G12

TEST

N2

VSSN

 

 

 

 

 

 

B7

L_DD[3]/GPIO[61]

G13

BOOT_SEL[1]

N3

MA[16]

 

 

 

 

 

 

B8

L_PCLK/GPIO[76]

G14

VCCQ

N4

MD[0]

 

 

 

 

 

 

B9

SSPEXTCLK/GPIO[27]

G15

GPIO[7]

N5

VCCN

 

 

 

 

 

 

B10

FFRI/GPIO[38]

G16

BOOT_SEL[0]

N6

MD[4]

 

 

 

 

 

 

B11

FFDSR/GPIO[37]

H1

MA[2]

N7

VCCN

 

 

 

 

 

 

B12

USB_N

H2

MA[1]

N8

nCS[0]

 

 

 

 

 

 

B13

BTRXD/GPIO[42]

H3

MD[16]

N9

VCCN

 

 

 

 

 

 

B14

BTRTS/GPIO[45]

H4

VCCN

N10

MD[13]

 

 

 

 

 

 

B15

IRRXD/GPIO[46]

H5

MD[17]

N11

VCCN

 

 

 

 

 

 

B16

MMDAT

H6

MA[3]

N12

DREQ[0]/GPIO[20]

 

 

 

 

 

 

C1

RDY/GPIO[18]

H7

VSSQ

N13

VCCN

 

 

 

 

 

 

C2

VSSN

H8

VSS

N14

DREQ[1]/GPIO[19]

 

 

 

 

 

 

C3

L_DD[14]/GPIO[72]

H9

VSS

N15

GPIO[21]

 

 

 

 

 

 

C4

VSSQ

H10

VCC

N16

nPWAIT/GPIO[56]

 

 

 

 

 

 

C5

L_DD[8]/GPIO[66]

H11

nTRST

P1

MA[17]

 

 

 

 

 

 

1-12

PXA250 and PXA210 Applications Processors Design Guide

Page 20
Image 20
Intel PXA250 and PXA210 manual Ball # Signal

PXA250 and PXA210 specifications

The Intel PXA250 and PXA210 processors, part of the Intel XScale architecture, were introduced in the early 2000s, targeting mobile and embedded applications. They are known for their low power consumption, high performance, and advanced multimedia capabilities, making them suitable for a wide range of devices, including PDAs, smartphones, and other portable computing devices.

The PXA250, which operates at clock speeds ranging from 400 MHz to 624 MHz, features a superscalar architecture that allows it to issue multiple instructions per clock cycle. This enhances the overall performance for demanding applications while maintaining low power usage. It supports a variety of peripheral interfaces, including USB, Ethernet, and various memory types, which contributes to its versatility in different product designs.

One of the key technologies in the PXA250 is the integrated Intel Smart Repeat Technology, which optimizes data processing, thereby reducing the amount of power consumed during operation. This feature is particularly important for battery-powered devices, as it extends the overall battery life, allowing for longer usage times in mobile environments. Additionally, the PXA250 includes a dedicated graphics acceleration unit, which enables enhanced graphics and multimedia performance suited to modern applications at the time.

In contrast, the PXA210 is a more entry-level processor, aimed at cost-sensitive applications. Operating at lower clock speeds, typically around 200 MHz to 400 MHz, it forgoes some of the advanced performance features of the PXA250 while still offering a good balance of performance and power efficiency. The PXA210 is less complex, making it suitable for simpler devices that do not require the extensive capabilities of the PXA250.

Both processors utilize the Intel XScale architecture, which is based on the ARM instruction set. They are built on a 0.13-micron process technology, enabling higher density and lower power consumption compared to their predecessors. With integrated memory controllers and bus interfaces, they facilitate efficient data handling and connectivity options.

In summary, both the Intel PXA250 and PXA210 processors played a crucial role in the evolution of mobile computing by providing powerful processing capabilities with energy efficiency. Their features and technologies enabled device manufacturers to create innovative products that catered to the growing demand for portable devices during that era.