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ST SPEAr320 User Manual Download Page 22

Schematics

UM1015

Doc ID 18124 Rev 1

6 Schematics

Figure 5.

Schematic interconnections

In

●

02: DDR2 intrface and power

●

03: USB interface

●

04: Miscellaneous (serial flash, RTC power, boot options, JTAG, reset)

●

05: Power supply

●

06: PL_GPIO interface, extended boot options

●

07: Daughterboard and UART connectors

PL_GPIO[0..97]
PL_CLK[1..4]

AIN[0..7]

ADC_VREFP
ADC_VREFN

VREF

INRESET

nRESET

03 - USB Interface.SchDoc

03 - USB Interface

06 - PL_GPIO.SchDoc

06 - PL_GPIO

PL_GPIO[0..97]
PL_CLK[1..4]

04 - Misc.SchDoc

04 - Misc

ADC_VREFP
ADC_VREFN
AIN[0..7]
INRESET

nRESET

07 - OutCon.SchDoc

07 - OutCon

AIN[0..7]
ADC_VREFN
ADC_VREFP
PL_GPIO[0..97]
PL_CLK[1..4]

INRESET

nRESET

02 - DDR Interface.SchDoc

02 - DDR Interface

VREF

05 - Power.SchDoc

05 - Power

VREF

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Summary of Contents for SPEAr320

Page 1: ...EVALSPEAr320CPU SPEAr320 CPU evaluation board UM1015 User manual Doc ID 18124 Rev 1 October 2010 www st com STMicroelectronics...

Page 2: ...BLANK...

Page 3: ...20 microprocessors the evaluation board kit comprises one board one serial cable interface and one power supply CPU board features SPEAr320 embedded MPU Up to 2 Gbit DDR2 333 MHz standard 128 Mbytes U...

Page 4: ...k diagram 8 3 Expansion connectors 11 4 Switch and jumper settings 15 4 1 Switch 1 settings 15 4 2 Switch 2 settings 16 4 3 Jumpers and connectors 17 5 Board components 18 6 Schematics 22 7 Board layo...

Page 5: ...rd extension connector J12 11 Table 3 CPU board extension connector J13 13 Table 4 Switch 1 SoC functional configuration 15 Table 5 Switch 1 debug configuration 15 Table 6 Switch 1 functional configur...

Page 6: ...2 Figure 6 DDR interface schematic 23 Figure 7 USB interface schematic 24 Figure 8 USB power and optional part schematic 25 Figure 9 Miscellaneous interfaces schematic 26 Figure 10 Power supply schema...

Page 7: ...connector J17 serial link to a host PC 2 On the host PC running Windows or Linux start the Terminal program 3 Connect the 5 V voltage adapter supplied in the EVALSPEAR320CPU package to the J11 power v...

Page 8: ...ts size is 128 Mbits x 8 16 Mbits x 8 x 8 banks Local power supply The local power supply is based on a monolithic voltage regulator for the chip set and DDR2 3 PM6641 It is generated locally in order...

Page 9: ...tion in case of a short circuit in the USB cable Device port The board has one USB 2 0 device port 2 0 4 Debug interface The JTAG interface can be used for static debugging which means that it is poss...

Page 10: ...generates all the required voltages as follows 1 2V Switching regulator PM6641 to supply the internal logic of the SPEAr320 MPU 1 8V Switching regulator PM6641 for the DDR2 memory 2 5V LDO regulator f...

Page 11: ...h hole pins 10 pins are connected to GND Figure 4 86 pin connectors J12 and J13 Table 2 CPU board extension connector J12 Pin Description Pin Description 1 1 8V 2 5V 3 1 8V 4 5V 5 1 8V 6 5V 7 1 8V 8 5...

Page 12: ...2V 65 PL_GPIO7 66 1 2V 67 PL_GPIO1 68 1 2V 69 PL_GPIO0 70 3 3V 71 NC 72 3 3V 73 NC 74 3 3V 75 NC 76 3 3V 77 GND 5 78 GND 5 79 80 81 82 83 84 85 86 1 If J20 Jumper is set to pin2 3 otherwise NC 2 If J2...

Page 13: ...21 PL_GPIO60 22 PL_GPIO67 23 PL_GPIO65 24 PL_GPIO71 25 PL_GPIO62 26 PL_GPIO75 27 PL_GPIO68 28 PL_GPIO82 29 PL_GPIO52 30 PL_GPIO76 31 PL_GPIO53 32 PL_GPIO85 33 PL_GPIO51 34 PL_GPIO87 35 PL_GPIO54 36 P...

Page 14: ...74 GND 75 PL_CLK1 76 ADC VREFP 77 GND 1 78 GND 1 79 80 81 82 83 84 85 86 1 Physically connected to the internal metal plane of the connector Pins 77 through 81 and 82 through 86 are shorted together T...

Page 15: ...tion 3 For other configurations refer to the SPEAr320 user manual available at www st com spear Table 4 Switch 1 SoC functional configuration Bit Description 1 Test see Debug configuration below 2 Res...

Page 16: ...invalid condition Table 7 Switch 2 settings Boot from SW2 1 SW2 2 SW2 3 SW2 4 SW2 5 SW2 6 SW2 7 SW2 8 USB_BOOT Off On Off On Off On Off On ETH parameter from I2C ROM On Off Off On Off On Off On ETH p...

Page 17: ...different types of RS 232 cables a Two pins are connected to the ST3232 Receive Transmit side Two pins are connected to the RS 232 Receive Transmit connector side Connector J17 is a connector for stan...

Page 18: ...9 C50 C56 C57 C58 C59 C60 C99 C100 C101 C102 0402 Ceramic capacitor 0 1uF 10 10V X5R 0402 Resistor R42 R43 R44 R45 R46 R47 R48 R50 0603 Resistor 0603 0 ohm Resistor R30 R31 R32 R33 R34 R35 R36 R37 R38...

Page 19: ...lator Y2 RAD HC49 Crystal Oscillator 24MHz 30ppm through hole Resistor R70 0603 Resistor 0603 27k ohm 1 0 1W Crystal oscillator Y1 XT38T Crystal Oscillator 32 768KHz 20ppm d2x6mm Capacitor C92 0603 Ce...

Page 20: ...Surface mount 8 way micro dip switch pitch1 27mm Ferrite bead FB8 FB9 FB12 FB13 FB14 FB15 FB10 FB16 0603 Ferrite 2506033007Y0 SMD 400mA LED D5 D6 D7 D8 D9 0805P LED SMD 2 0 x 1 25mm Superbright Green...

Page 21: ...PM6641 STm DDR2 3 Voltage Regulator 48pin VFQFPN Connector J5 J6 J7 J8 J9 2X1 2 54 MD STRIP 2X1 2 54 MD Strip vertical male 2X1 2 54mm Connector J22 2X2 2 54 MD STRIP 2X2 2 54 MD Strip vertical male 2...

Page 22: ...ed boot options 07 Daughterboard and UART connectors PL_GPIO 0 97 PL_CLK 1 4 AIN 0 7 ADC_VREFP ADC_VREFN VREF INRESET nRESET 03 USB Interface SchDoc 03 USB Interface 06 PL_GPIO SchDoc 06 PL_GPIO PL_GP...

Page 23: ...F2 VSSQ8 F8 VSSQ9 H2 VSSQ10 H8 VDDQ1V8_6 E9 C10 0 1 uF X5R 10V C10 0 1 uF X5R 10V C8 0 1 uF X5R 10V C8 0 1 uF X5R 10V R2 100 Ohm R2 100 Ohm C13 0 1 uF X5R 10V C13 0 1 uF X5R 10V R1 121 Kohm 1 R1 121 K...

Page 24: ...M1 USB_HOST0_VBUS J3 USB_HOST0_DM K2 USB_HOST0_DP K1 USB_HOST1_VBUS H3 USB_HOST1_DM H2 USB_HOST1_DP H1 USB_HOST1_OVERCUR J4 USB_HOST0_OVERCUR H4 USB_TXR_TUNE K5 USB_ANALOG_TEST L4 USB_DEV_VDD3V3 N3 U...

Page 25: ...e C102 close to U13 5 VBus Place C101 close to U14 5 VBus Place C100 close to U15 5 Vbus HOST0_INF_DM HOST1_INF_DP USB_DEV_DM USB_DEV_DP USB_DEV_5V USB_DEV_INF_DM USB_DEV_INF_DP HOST0_INF_DP HOST0_DM...

Page 26: ...m R14 10 Kohm R15 10 Kohm R15 10 Kohm FB12 FERRITE FB12 FERRITE R34 1 Kohm R34 1 Kohm GND Y1 32 768Khz GND Y1 32 768Khz C28 0 1 uF X5R 10V C28 0 1 uF X5R 10V A1 A2 K D3 D BAV70 A1 A2 K D3 D BAV70 R45...

Page 27: ...Ohm R6 100 Ohm R46 0 Ohm R46 0 Ohm L3 1 uH 1 7A L3 1 uH 1 7A A K G D4 SCR TS420 B_1 A K G D4 SCR TS420 B_1 PD1 PADX2 80H60 PD1 PADX2 80H60 1 2 R61 75 Kohm R61 75 Kohm C73 10 uF X5R 10V C73 10 uF X5R...

Page 28: ...3_9 K12 VDD3V3_10 L12 VDD3V3_11 M12 DDR_VDD1V8_1 M5 DDR_VDD1V8_2 N5 DDR_VDD1V8_3 N6 DDR_VDD1V8_4 N7 DDR_VDD1V8_5 N8 DDR_VDD1V8_6 N9 DDR_VDD1V8_7 N10 DDR_VDD1V8_8 N11 GND_1 G6 GND_2 G7 GND_3 G8 GND_4 G...

Page 29: ...AMTEC MIS 038 1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 9 9 10 10 11 11 12 12 13 13 14 14 15 15 16 16 17 17 18 18 19 19 20 20 21 21 22 22 23 23 24 24 25 25 26 26 27 27 28 28 29 29 30 30 31 31 32 32 33 33 34 34...

Page 30: ...o GND 03 July 2009 Add GND to C94 C95 C96 C97 1 5 FB8 is only connected to PIN 6 of J1 at Page3 Add a FB16 FB16 is connected to PIN 5 of J1 at Page3 FB9 is connected to PIN 9 and PIN 11 of J2 at Page3...

Page 31: ...layout Figure 14 SPEAr320 CPU evaluation board layout top view Figure 15 SPEAr320 CPU evaluation board layout bottom view JTAG J3 JTAG J3 USB device J1 USB host J2 Serial link J17 Power J11 Reset butt...

Page 32: ...ision 2 0 SPEAr320 CPU evaluation boards are documented in revision 1 of the EVALSPEAr320CPU user manual Earlier board revisions are documented in UM0842 the EVALSPEAr320PLC user manual 8 2 Document r...

Page 33: ...tion software or related documentation or modify reverse engineer de compile or disassemble the demonstration software in whole or in part You warrant to ST that the Demo Product will be used and mana...

Page 34: ...provisions had not been inserted in this Agreement WAIVER The waiver by either party of any breach of any provisions of this Agreement shall not operate or be construed as a waiver of any other or a s...

Page 35: ...hts notices included on or embedded in the Licensed Software You agree to prevent any unauthorized copying of the Licensed Software and related documentation RESTRICTIONS Unless otherwise explicitly s...

Page 36: ...tion or warranty by ST or alter this disclaimer or warranty and in no additional obligations or liabilities shall arise from ST s providing such information or services ST does not assume or authorize...

Page 37: ...not been inserted in this Agreement WAIVER The waiver by either party of any breach of any provisions of this Agreement shall not operate or be construed as a waiver of any other or a subsequent breac...

Page 38: ...ARRANTIES OF MERCHANTABILITY FITNESS FOR A PARTICULAR PURPOSE AND THEIR EQUIVALENTS UNDER THE LAWS OF ANY JURISDICTION OR INFRINGEMENT OF ANY PATENT COPYRIGHT OR OTHER INTELLECTUAL PROPERTY RIGHT UNLE...

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