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| PAC7332 PAC7332 VGA PC Camera Single-Chip with Audio General Description The PAC7332 is a single chip with an embedded VGA CMOS image sensor and USB 1.1 interface. It has JPEG image compression and image processing. The generic application is a PC camera. And the optical size is 1/6" which can easily be embedded in LCD monitors, notebooks or PDA. It also provides high quality audio sampling function for sound recording. It is fully compliant with USB Video Class 1.0 and USB Audio Class 1.0 standard. PAC7332 supports the interface to a serial-EEPROM. When the EEPROM function is enabled, the internal control registers can be power-up loaded from external EEPROM. This allows customization of VID, PID, product string...etc. Features USB Features USB video class 1.0 compliance. USB audio class 1.0 compliance. Micro Controller Features Built-in 8 bit micro controller with mask ROM and SRAM. Firmware supports AE, AWB, and USB protocol. Programmable codes uploaded from serial EEPROM/Flash(SPI). Audio Controller Features USB audio class 1.0 compliance. Built in 10 bit mono audio ADC for audio recording through microphone. Sampling rate @48kHZ, resolution 16 bits format Miscellaneous Features USB Vendor ID, Product ID, device release number, maximum power consumption and the string descriptor index and data selectable via a serial EEPROM or by metal mask. Support MJPG and YUV. USB 5V power in, on-chip 3.3V regulator for IO PAD and PHY. 36-pin CSP Key Specification Supply Voltage Resolution Optical format Pixel Size Frame Rate System Clock Color Filter Scan mode Package 5.0V 640 (H) x 480 (V) 1/6" 3.6um x 3.6um Up to 30fps 12MHz RGB Bayer Pattern Progressive 36-pin CSP All rights strictly reserved any portion in this paper shall not be reproduced, copied or transformed to any other forms without permission. 1 PixArt Imaging Inc. E-mail: fae_service@PixArt.com.tw V1.0 Jul. 2009 PixArt Imaging Inc. PAC7332 VGA PC Camera Single-Chip with Audio 1. Pin Assignment 1.1 36P CSP Package Pin# 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 Name LED Reg_SDA Reg_SCL GPIO[2] GPIO[4] VSSD VDDMD5V VDD18K VDDMD OSC_OUT OSC_IN PXOP DP DN KEY GPIO[1] GPIO[3] VDDAY VSSAY VDDAD VDDMA VDDMA5V VDD36A_A VDD28A MIC_P MIC_N VCOM VSSA_ADUIO EPR_SI EPR_CSB EPR_SCK EPR_SO VSSD VDD18K TESTMD GPIO[0] Type OUT I/O IN I/O I/O GND PWR BYPASS BYPASS GND IN OUT I/O I/O IN I/O I/O BYPASS GND BYPASS BYPASS PWR BYPASS BYPASS IN IN BYPASS GND OUT OUT OUT IN GND BYPASS IN I/O Description LED driver I2C data for test I2C clock for test General purpose I/O General purpose I/O Ground for digital 5V power for digit circuit Logic power for digit circuit, 1.8V Logic power for digit circuit, 3.3V Crystal output Crystal input Not connect DP for USB1.1 PHY DN for USB1.1 PHY Snapshot control signal (Active Low, internal pull-up 100Kohm) General purpose I/O General purpose I/O Logic power for sensor Analog ground Logic power for analog circuit, 2.5V Logic power for analog circuit, 2.5V 5V power for analog circuit Analog MIC reference audio power 3.6V Analog MIC reference audio power 2.8V Microphone positive input Microphone negative input Microphone common mode voltage reference(audio power) Audio analog circuit GND Data input of EEPROM Chip Select of EEPROM Serial clock of EEPROM Data out of EEPROM Ground for digital Logic power for digit circuit, 1.8V Test pin. General purpose I/O All rights strictly reserved any portion in this paper shall not be reproduced, copied or transformed to any other forms without permission. 2 PixArt Imaging Inc. E-mail: fae_service@PixArt.com.tw V1.0 Jul. 2009 PixArt Imaging Inc. PAC7332 VGA PC Camera Single-Chip with Audio 2. Block Diagram PAC7332 is a USB PC Camera SOC with enhanced image quality and sensitivity, internal regulators, JPEG image compression, image processing schemed, control registers, on-chip SRAM for image data buffer and USB controller. And the JPEG compressed image data is transmitted by USB 1.1 isochronous pipe. PAC7332 supports the interface to a serial-EEPROM. When the EEPROM function is enabled, the internal control registers can be power-up loaded from external EEPROM. This allows customization of VID, PID, product string...etc. All rights strictly reserved any portion in this paper shall not be reproduced, copied or transformed to any other forms without permission. 3 PixArt Imaging Inc. E-mail: fae_service@PixArt.com.tw V1.0 Jul. 2009 PixArt Imaging Inc. PAC7332 VGA PC Camera Single-Chip with Audio 3. Specifications Absolute Maximum Ratings Exceeding the Absolute Maximum Ratings shown below invalidates all AC and DC electrical specifications and may result in permanent device damage. Symbol TSTG VDD VIN VOUT ESD Parameter Ambient storage temperature DC supply voltage DC input voltage DC output voltage ESD Rating, Human Body model Min -25 -0.5 0.5 -0.5 Max 125 5.5 3.8 3.8 2 Unit C V V V kV Notes Recommend Operating Condition Symbol TA VDD FCLK Parameter Temperature Operation Range Stable Image Power supply voltage System clock frequency Min -10 0 4.5 Typ. 5.0 12.0 Max 70 50 5.5 Unit C C V MHz Notes DC Electrical Characteristics (Typical values at 25C, VDD =5.0V, FCLK=12.0MHz) Symbol Type: PWR IDD IPWDN Operating Current Power Down current 40 500u mA @30 frame/sec Parameter Min. Typ. Max. Unit Notes Type: IN & I/O, Reset VIH VIL Input voltage HIGH Input voltage LOW 0.7VDDMD 0.3VDDMD V V Type: OUT & I/O VOH VOL Output voltage HIGH Output voltage LOW 0.9VDDMD - 0.1VDDMD V V - All rights strictly reserved any portion in this paper shall not be reproduced, copied or transformed to any other forms without permission. 4 PixArt Imaging Inc. E-mail: fae_service@PixArt.com.tw V1.0 Jul. 2009 PixArt Imaging Inc. PAC7332 VGA PC Camera Single-Chip with Audio 4. Package Information 4.1 CSP Pin Assignment and Optical Center Information All rights strictly reserved any portion in this paper shall not be reproduced, copied or transformed to any other forms without permission. 5 PixArt Imaging Inc. E-mail: fae_service@PixArt.com.tw V1.0 Jul. 2009 PixArt Imaging Inc. PAC7332 VGA PC Camera Single-Chip with Audio 4.1 CSP Package Ball Matrix Table All rights strictly reserved any portion in this paper shall not be reproduced, copied or transformed to any other forms without permission. 6 PixArt Imaging Inc. E-mail: fae_service@PixArt.com.tw V1.0 Jul. 2009 PixArt Imaging Inc. PAC7332 VGA PC Camera Single-Chip with Audio 5. Reference Application Circuit CON1 USB_5V C2 C3 4.7u 0.1u USB_SHADING 8 9 + R1 C1 4.7nF/250V MINI USB 5P 10M HC3 HC4 HC2 HC1 7 6 USB_SHADING USB_5V L1 VDDMD5V C4 VDDMA5V C6 + 1u 1u 1u D1 C7 C8 C9 R3 R4 100k OSC_IN VDD18K VDDMD5V OSC_OUT VDDMD GPIO_2 1k LED-0603 C3 D4 VSSD A1 A2 A3 B3 B4 A4 B5 GPIO_4 GPIO_2 REG_SCL VDDMD5V OSC_OUT REG_SDA VDD18K VSSD A5 U1 OSC_IN L3 D+ L4 D0H R6 0 U2 DN KEY B1 C2 D3 D2 C11 + C12 4.7u 0.1u VDDAY VSSA VSSAY VDDAD E2 E3 F1 G1 0H R5 0 DP B2 DP DN KEY GPIO_1 GPIO_3 VDDAY VSSA VSSAY VDDAD PAC7332 GPIO_0 TESTMD VDD18K VSSD A6 B6 C4 D5 VDD18K C10 1u GPIO_0 R7 100k VDDMD VSA_AUDIO VDD36A_A VDDMA5V EPR_CSB LED EPR_SCK G6 EPR_SCK 10k 10k VCOM 1k EPR_SO F6 EPR_SO VDD28A VDDMA VDDAY VDDAD G2 G3 G4 VSA_AUDIO F5 G5 0.1u R15 1 1 EPR_SI F2 F3 F4 E4 EPR_SI MIC_N MIC_P VCOM VDD36A_A VDDMA5V EPR_CSB VDD28A VDDMA VCOM E5 C5 4.7u D+ DL2 3.3uH 10pF USB_5V C5 10pF VDDMD C16 C20 + 10u 0.1u R11 R12 C21 U3 EPR_CSB EPR_SO WP 1 2 3 4 CS VCC SO HOLD WP SCK GND SI 25F512A C25 + 22u MIC+1 MIC-1 8 7 6 5 VDDMD EPR_HOLD EPR_SCK EPR_SI 0.1u VDD28A R13 1k R14 1k 0.1u 0.1u C22 C23 C24 3.3uH 5 4 3 2 1 GND2 NC + +5V R2 1M Y 1 12MHz WP R8 100k 100k 100k VDDMD C17 C13 C18 C14 C19 C15 + + + 0.1u 10u 0.1u 10u 0.1u 10u EPR_HOLD R9 EPR_SO R10 All rights strictly reserved any portion in this paper shall not be reproduced, copied or transformed to any other forms without permission. 7 PixArt Imaging Inc. E-mail: fae_service@PixArt.com.tw V1.0 Jul. 2009 PixArt Imaging Inc. PAC7332 VGA PC Camera Single-Chip with Audio Update History Version V1.0 Update Creation, Preliminary 1st version Date 07/16/2009 All rights strictly reserved any portion in this paper shall not be reproduced, copied or transformed to any other forms without permission. 8 PixArt Imaging Inc. E-mail: fae_service@PixArt.com.tw V1.0 Jul. 2009 |
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