JTAGulator: Assisted discovery of on-chip ... - Grand Idea Studio

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Schematic: MainNOTE: RESISTORS ARE IN OHMS +/- 5a AND CAPACITORS ARE IN MICROFARADS UNLESSOTHERWISE NOTED. SEE BOM FOR ACTUAL VOLTAGE AND SPECIFICATION.3V3E01E12E23GND4SDA5SCL6WC7VCC8U424LC512-I/SN12Y15.0MHz3V33V3aRESPROPRXPROPTXPROPSDAPROPSCL<strong>JTAGulator</strong>: MainSIZEDaTETITLEDRaWN BYFILENaME10kR410kR33V310uFC7VIN3VO2GND1VO4U6LD1117S330.1uFC65V03V3470R5270R6RedGreenLEDRLEDG3V3 3V3 3V3P0P1P2P3P4P5P6P7VSS39VDD8VSS27P3138P3037P2936P2835P2633P2734VDD18VSS17VSS5VDD30VDD40XI28XO29RES7BOE6P2532P2431P74P63P52P41P243P344P142P041P1516P1415P1314P1213P1011P1112P910P89P2326P2225P2124P2023P1821P1922P1720P1619U2PROPELLER (P8X32A-Q44)To HostTEST26RTS3DCD10RI6GND18GND21VCC20TXD1CTS11CBUS0233V3OUT17DTR2RXD5CBUS122OSCI27DSR9USBDM16OSCO28USBDP15VCCIO4RESET19AGND25GND7CBUS213CBUS314CBUS412U1FT232RL12345P1UX60-MB-5S80.1uFC3USBDMUSBDPUSB Mini B85326741U5AD8655ARZ5V00.1uFC115V0123D1WP59EGW0.1uFC120.1uFC130.1uFC140.1uFC15100kR918kR7 8.2kR81000pFC4470pFC5VADJDACOUT4.7uFC8VUSB0.01uFC1SW1SPST0.01uFC210kR2Q12N3904P8P9P10P11P12P13P14P15P16P17P18P19P20P21P22P230.1uFC9VUSB220R@100MHzL10-3.3V @ 256 steps~13mV/step~150mA max. IoutIN7OUT6EN1FLG2GND3OUT8U3MIC2025-2YM5V0VUSB10kR14.7uFC105V0VUSBTXSOEP[23...0]PIC101PIC102COC1PIC201PIC202COC2PIC301PIC302COC3PIC401PIC402COC4PIC501PIC502COC5PIC601PIC602 COC6 PIC701PIC702COC7PIC801PIC802COC8PIC901PIC902 COC9 PIC1001PIC1002COC10PIC1101PIC1102COC11PIC1201PIC1202COC12PIC1301PIC1302COC13PIC1401PIC1402COC14PIC1501PIC1502COC15PID101PID102PID103COD1PIL101PIL102COL1PIP101PIP102PIP103PIP104PIP105COP1PIQ101PIQ102PIQ103COQ1PIR101PIR102COR1PIR201PIR202COR2PIR301PIR302COR3PIR401PIR402COR4PIR501PIR502COR5PIR601PIR602COR6PIR701PIR702COR7PIR801PIR802COR8PIR901PIR902COR9PISW101PISW102COSW1PIU101PIU102PIU103PIU104PIU105PIU106PIU107PIU109PIU1010PIU1011PIU1012PIU1013PIU1014PIU1015PIU1016PIU1017PIU1018PIU1019PIU1020PIU1021PIU1022PIU1023PIU1025PIU1026PIU1027PIU1028COU1PIU201PIU202PIU203PIU204PIU205PIU206PIU207PIU208PIU209PIU2010PIU2011PIU2012PIU2013PIU2014PIU2015PIU2016PIU2017PIU2018PIU2019PIU2020PIU2021PIU2022PIU2023PIU2024PIU2025PIU2026PIU2027PIU2028PIU2029PIU2030PIU2031PIU2032PIU2033PIU2034PIU2035PIU2036PIU2037PIU2038PIU2039PIU2040PIU2041PIU2042PIU2043PIU2044COU2PIU301PIU302PIU303PIU306PIU307PIU308COU3PIU401PIU402PIU403PIU404PIU405PIU406PIU407PIU408COU4PIU501PIU502PIU503PIU504PIU505PIU506PIU507PIU508COU5PIU601PIU602PIU603PIU604COU6PIY101PIY102COY1PIQ103PISW101PIU207NL#RESPIC701PIC1202 PIC1302 PIC1402 PIC1502PIR302PIR402PIU208PIU2018PIU2030PIU2040PIU408PIU602PIU604PIC602PIC1001PIC1102PIU306PIU308PIU507PIU603PIR702PIR902PIU2032NLDACOUTPIC101PIC301PIC501PIC601PIC702PIC802 PIC901 PIC1002 PIC1101 PIC1201 PIC1301 PIC1401 PIC1501PID102PIP105PIQ101PIR201PIR901PISW102PIU107PIU1018PIU1021PIU1025PIU1026PIU205PIU206PIU2017PIU2027PIU2039PIU303PIU401PIU402PIU403PIU404PIU407PIU504PIU601PIR602PIU2033NLLEDGPIR502PIU2034NLLEDRPIC102PIL101PIP101PIC201PIQ102PIR202PIC202PIU102PIC302PIR102PIU104PIU1017PIC401PIR701PIR802PIC502PIR801PIU503PID101PIR501PID103PIR601PIP104PIR101PIU1014PIU301PIU103PIU106PIU109PIU1010PIU1011PIU1012PIU1013PIU1019PIU1022PIU1023PIU1027PIU1028PIU2028PIY101PIU2029PIY102PIU2031POTXSOEPIU302PIU501PIU505PIU508PIU2041NLP0PIU2042NLP1PIU2043NLP2PIU2044NLP3PIU201NLP4PIU202NLP5PIU203NLP6PIU204NLP7PIU209NLP8PIU2010NLP9PIU2011NLP10PIU2012NLP11PIU2013NLP12PIU2014NLP13PIU2015NLP14PIU2016NLP15PIU2019NLP16PIU2020NLP17PIU2021NLP18PIU2022NLP19PIU2023NLP20PIU2024NLP21PIU2025NLP22PIU2026NLP23PIU101PIU2038NLPROPRXPIR401PIU2035PIU406NLPROPSCLPIR301PIU2036PIU405NLPROPSDAPIU105PIU2037NLPROPTXPIP102PIU1016NLUSBDMPIP103PIU1015NLUSBDPPIC402PIU502PIU506PIC801PIC902PIL102PIU1020PIU307POP02300000POTXSOE
Schematic: Target InterfaceNOTE: RESISTORS ARE IN OHMS +/- 5a AND CAPACITORS ARE IN MICROFARADS UNLESSOTHERWISE NOTED. SEE BOM FOR ACTUAL VOLTAGE AND SPECIFICATION.3V3VADJ<strong>JTAGulator</strong>: Target InterfaceTITLE0.1uFC190.1uFC20P0P1P2P3P4P5P6P7P8P9P10P11P12P13P14P15P16P17P18P19P20P21P22P2312345P2TE 282834-5CH0CH1CH2CH312345P3TE 282834-512345P4TE 282834-512345P5TE 282834-512345P6TE 282834-5CH4CH5CH6CH7CH8CH9CH10CH11CH12CH13CH14CH15CH16CH17CH18CH19CH20CH21CH22CH23I/O11GND2I/O23I/O34VCC5I/O46U8NUP4302MR6VADJI/O11GND2I/O23I/O34VCC5I/O46U7NUP4302MR6VADJI/O11GND2I/O23I/O34VCC5I/O46U11NUP4302MR6VADJI/O11GND2I/O23I/O34VCC5I/O46U10NUP4302MR6VADJI/O11GND2I/O23I/O34VCC5I/O46U14NUP4302MR6VADJI/O11GND2I/O23I/O34VCC5I/O46U13NUP4302MR6VADJ3V3VADJ0.1uFC180.1uFC223V3VADJ0.1uFC170.1uFC2110kR10TXSOEVADJ3V3VADJ3V3VADJ3V3P[23...0]Diode limiters for input protectionVf must be < 0.5V to prevent damage to level translatorsVCCA
Page 1 and 2: Assisted Discovery
Page 3 and 4: Introduction• On-chip debug inter
Page 5 and 6: Goals• Create an easy-to-use tool
Page 7 and 8: Other Art• An Open JTAG Debugger
Page 9 and 10: HW Reverse Engineering• Informati
Page 11 and 12: Identifying Interfaces: Internal•
Page 13 and 14: Identifying Interfaces: Internal 3
Page 15 and 16: Manually Determining Pin Function
Page 17 and 18: On-Chip Debug Interfaces• JTAG•
Page 19 and 20: JTAG 2• Multiple devices can be "
Page 21 and 22: JTAG: Architecture 2
Page 23 and 24: JTAG: Instructions┌────
Page 25 and 26: JTAG: HW Tools• RIFF Box- www.jta
Page 27 and 28: UART• Universal Asynchronous Rece
Page 29 and 30: UART 3Mark (Idle)SpaceBit width= ~8
Page 31 and 32: Design Requirements• Open source/
Page 33 and 34: Development
Page 35: Assembly Drawing
Page 39 and 40: Propeller/Core 2• Clock: DC to 12
Page 41 and 42: Propeller/Core 4• Standard develo
Page 43 and 44: USB Interface• Allows for Propell
Page 45 and 46: Adjustable Target Voltage• PWM fr
Page 47 and 48: Level Translation 2
Page 49 and 50: Input Protection 2• NUP4302MR6 Sc
Page 51 and 52: Firmware
Page 53 and 54: Cogs• Spin Interpreter (Cog 0)•
Page 55 and 56: General Commands• Set target syst
Page 57 and 58: IDCODE Scan• 32-bit Device ID (if
Page 59 and 60: IDCODE Scan 3• Ask user for numbe
Page 61 and 62: BYPASS Scan 2• Can determine how
Page 63 and 64: JTAG: Examples
Page 65 and 66: Linksys WRT54G v1.1• Broadcom BCM
Page 67 and 68: D-Link DWL-900AP+ 2• Lattice ispM
Page 69 and 70: BlackBerry 7250• Qualcomm MSM6500
Page 71 and 72: BlackBerry 7290 2
Page 73 and 74: UART Scan• Ask user for desired o
Page 75 and 76: UART Scan 3
Page 77 and 78: Linksys WRT54G v2 rXH (w/ DD-WRT)
Page 79 and 80: Scan Timing 2• UART- Only need to
Page 81 and 82: Possible Limitations• Could cause
Page 83 and 84: Other Uses• Propeller development
Page 85 and 86: A Poem

JTAGulator: Assisted discovery of on-chip ... - Grand Idea Studio

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