--- /dev/null
+famicom cartridge bus simulator 'kazzo'
+unagi development team / 2009.10.08
+
+----features----
+- USB communication to PC
+- read and write access for ROM cartridge
+- program access for flash memory cartridge
+- composed of few parts
+- firmware is powered by V-USB
+ http://www.obdev.at/products/vusb/index.html
+- firmware and host software are opensource, licenced by GPL v2
+
+kazzo was named from Japanese traditional fish '鰹'.
+
+----files----
+firmware/
+ firmware source code and Makefile. To complile, required WinAVR
+ enviroment.
+hostecho/
+ source codes for kazzo_test.exe
+windows_driver/
+ device driver for Windows
+kazzo_test.exe
+ loop back test client binary for Windows
+kazzo_mega16.hex kazzo_mega164p.hex
+ firmware hex file written in S Record
+kazzo_schematics.png
+ schematics graphic data
+ notice! U1 pin number is assigned ATmega16 QFP.
+readme.txt
+ this file
+usbrequest.txt
+ It was written how to request to kazzo.
+COPYING
+ GPL v2 licencing document
+
+Host software 'unagi' is not included in this package. You can find
+'unagi' from official project page.
+http://unagi.sourceforge.jp/
+
+----AVR fusebit configuration----
+ATmega164P: low byte 0xe6, high byte 0xd9, extended byte 0xff
+ CKDIV8:1 CKOUT:1 SUT:10 CKSEL:0110
+ OCDEN:1 JTAGEN:1 SPIEN:0 WDTON:1 EESAVE:1 BOOTSZ:00 BOOTRST:1
+ BODLEVEL:111
+ATmega16: low byte 0xae, high byte 0xc9
+ BODLEVEL:1 BODEN:0 SUT:10 CKSEL:1110
+ OCDEN:1 JTAGEN:1 SPIEN:0 CKOPT:0 EESAVE:1 BOOTSZ:00 BOOTRST:1
+
+----list of parts-----
+# |name
+-----+-------------------
+U1 |ATmega164P or ATmega16
+U2 |74HC574
+CN1 |type B female USB socket
+CN2 |3x2 pin header, 2.54 mm spacing
+CN3 |30x2 pin cardedge connecter, 2.54 mm spacing
+R1,R2|68 ohm register
+R3 |1.5 kohm register
+R4 |30 kohm register
+D1,D2|3.6 V zener diode
+X1 |16.0 MHz ceramic resonator
+C1,C2|0.1uF ceramic capacitor
+CP1 |10uF electric capacitor
+JP1 |toggle switch
+JP2 |push switch
+
+----pin assignment----
+See schematics for switch, register, diode and capacitor connection.
+
+CN3: cartridge connector CN1: USB socket type B
+ +-----+ +---+ U1: ATmega164P (DIP)
+ GND| 1 31|+5V +5V|1 4|GND +--v--+
+ CPU A11| 2 32|CPU PHI2 D-|2 3|D+ D0| 1 40|A0
+ CPU A10| 3 33|CPU A12 +---+ D1| 2 39|A1
+ CPU A9| 4 34|CPU A13 CN2: ISP conncetor D2| 3 38|A2
+ CPU A8| 5 35|CPU A14 +---+ D3| 4 37|A3
+ CPU A7| 6 36|CPU D7 MISO|1 2|Vcc D4| 5 36|A4
+ CPU A6| 7 37|CPU D6 SCK|3 4|MOSI MOSI/D5| 6 35|A5
+ CPU A5| 8 38|CPU D5 Reset#|5 6|GND MISO/D6| 7 34|A6
+ CPU A4| 9 39|CPU D4 +---+ SCK/D7| 8 33|A7
+ CPU A3|10 40|CPU D3 U2: 74HC574 Reset#| 9 32|+5V
+ CPU A2|11 41|CPU D2 +--v--+ Vcc|10 31|GND
+ CPU A1|12 42|CPU D1 GND| 1 20|Vcc GND|11 30|+5V
+ CPU A0|13 43|CPU D0 D0| 2 19|A8 XTAL1|12 29|AHL
+ CPU R/W|14 44|CPU ROMCS# D1| 3 18|A9 XTAL2|13 28|VRAM CS#
+CPU IRQ#|15 45|SOUND IN D2| 4 17|A10 NC|14 27|PPU WR#
+ GND|16 46|SOUND OUT D3| 5 16|A11 NC|15 26|PPU RD#
+ PPU RD#|17 47|PPU WR# D4| 6 15|A12 USB D+|16 25|NC
+VRAM A10|18 48|VRAM CS# D5| 7 14|A13 CPU IRQ#|17 24|CPU R/W
+ PPU A6|19 49|PPU A13# D6| 8 13|CPU A14 USB D-|18 23|CPU ROMCS#
+ PPU A5|20 50|PPU A7 D7| 9 12|PPU A13# VRAM A10|19 22|CPU PHI2
+ PPU A4|21 51|PPU A8 GND|10 11|AHL NC|20 21|NC
+ PPU A3|22 52|PPU A9 +-----+ +-----+
+ PPU A2|23 53|PPU A10
+ PPU A1|24 54|PPU A11
+ PPU A0|25 55|PPU A12
+ PPU D0|26 56|PPU A13
+ PPU D1|27 57|PPU D7
+ PPU D2|28 58|PPU D6
+ PPU D3|29 59|PPU D5
+ +5V|30 60|PPU D4
+ +-----+
+
+----notice----
+- AHL is Address High Latch.
+- NC is No Connection.
+- # is negative logic signal.
+- D0-D7 are databus.
+-- shared by U1, U2, CN3(CPU and PPU).
+-- D5-D7 are shared by ISP signal.
+- A0-A13 are addressbus.
+-- A0-A7 are shared by U1, CN3(CPU and PPU)
+-- A8-A13 are shared by U2, CN3(CPU and PPU)
+- CPU A14 and PPU A13# are uniq address buses.
+- U1 can substitute ATmega16.
+- SOUND IN and SOUND OUT has no connection.
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