Useful documents for ArcEm

[External] ARM Architecture Reference Manual - Revision E. The ARM ARM, full reference for the instruction set.
[External] A310/A400/A440 Circuit diagrams - Can prove useful when determining what hardware is present on a particular model.
[External] Podule bus and Extension ROM docs.
[External] Chris Whythead Documents - The A400 diagrams pdf also has the Midi podule and econet circuit diagrams
[External] Acorn machine Technical Reference Manual and Service manual - A3000sm, A3000trm, A300sm, A3010/A3020/A4000trm, A400sm, A4trm, A5000mlsm, A540sm, A540trm, RPCtrm. Includes many interesting peices of info, including packing lists (from which you can work out component names). IOEB info on A4trm and A3010/etc/trm.
[External] Description of all the CoProcessor instructions and Coprocessor 15 (CPU ID and control) versions for ARM3/610/710/SA

A305, A310, A3000, A440, A410/1, A420/1, A440/1, A540, R140, R225, R260

ARM2 - PDF monochrome, 300DPI Part 1, Part 2 - PDF greyscale 200DPI Part 1, Part 2, Part 3
IOC - PDF monochrome 300DPI Part 1 - PDF greyscale 200DPI Part 1
MEMC - PDF monochrome 300DPI Part 1 - PDF greyscale 200DPI Part 1, Part 2, Part 3
VIDC - PDF monochrome 300DPI Part 1 - PDF greyscale 200DPI Part 1, Part 2

Western Digital 1772 - The floppy disc controller. See also.
- [External] http://www.atarimagazines.com/startv1n2/ProbingTheFDC.html
- [External] http://www.cloud9.co.uk/james/BBCMicro/Documentation/wd1770.html
- [External] http://saint.atari.org/html/doc/wd1772.html
- [External] http://saint.atari.org/html/doc/wd17722.html
65c51 - Serial Chip (verify datasheet is for correct variant).
Philips PCF8583 - Real Time Clock and CMOS Ram chip, also used in later models.

A5000, A4, A3010, A3020, A4000

ARM250 - The combined ARM2/MEMC1a/VIDC/IOC core used on the A3010, A3020 and A4000. (PDFised by the JMB)
ARM3 - A newsgroup posting from an ARM Ltd employee exlpaining the SWP instruction and the coprocessor 15 details.
Chips & Technologies 82C711 - Replacing the 63463, 1772 and 65c51 chips from the Archmedes machines is the 82c710 or 82c711. This chip provides a Floppy controller, IDE controller, parallel and serial parts.

Risc PC, A7000, A7000+, Clones

ARM610 - CPU/MMU used in Risc PC 600 series
ARM710 - CPU/MMU used in Risc PC 700 series
VIDC20 - Video chip used in Risc PC, also embedded in ARM7500 series system on chop
Cirrus Logic ARM7500FE - (CL-PS7500FE) The combined ARM7/VIDC20/MMU/IO/FPA as used in the A7000+.
SMSC FDC37C665GT - IO chip used in the Risc PC and A7000, Floppy, Serial, IDE, Parallel
SMSC FDC37C669 - IO chip used in several clone machines, Mico and Riscstation.
DEC/Intel SA110 - StrongARM CPU used in later Risc PCs

VLSI VL86C010 - ARM 2
VLSI VL86C020 - ARM 3
VLSI VL86C110 - MEMC, VL86C110-08QC 8MHz, VL86C110-10QC 10MHz, VL86C110-12QC 12Mhz
VLSI VL86C310 - VIDC
VLSI VL86C410 - IOC
GEC Plessey ARM 250TG, GPS ARM, 922A Picture
VLSI VY86C610 - ARM 610
VLSI VY86C710 - ARM 710, VL86C710A 40MHz
VLSI VY27073B - ARM 7500 used in A7000 Reference
Cirrus Logic CL-PS7500FE - ARM 7500 FE used in A7000+
VLSI VY27053 - VIDC20r1 (RPC video chip)
GEC Plessey IOMD21CW - IOMD 21 (RPC IO controller)

Useful for discovering how an OS talks to the hardware

Useful for discovering how an OS talks to the hardware

ARM710a - a later variant of the ARM710, I'm not sure which was used in Acorn Machines.
ARM810 - CPU/MMU used in 2 experimental machines in Acorn, it was found that the StrongARM CPU was more capable so never went into prodcution machines.