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Last update: 6 February 2005

IC family:68HC05
IC function:8-bit microcontroller
Related components:68HC705 (related family), 6570/6571 (keyboard processor used in other Amigas)

Component documentation
IC numberManufacturerDocumentation
MC68HC05C4AMotorola (now Freescale)68HC05 family overview, Programming manual (PDF), M68HC05 Applications Guide (PDF), HC05 Family - Understanding Small Microcontrollers (PDF)
MC68HC05C12Motorola (now Freescale)68HC05 family overview, Programming manual (PDF), M68HC05 Applications Guide (PDF), HC05 Family - Understanding Small Microcontrollers (PDF)

Component versions
IC numberPackageROM size
MC68HC05C4AFN44-Pin PLCC4k bytes
MC68HC05C12FN44-Pin PLCC12k bytes

Programmed components
IC numberPackageCBM part numberCBM part description
MC68HC05C4AFN44-Pin PLCC391508-01IC, 68HC05C, Keyboard MPU, 44-Pin PLCC
MC68HC05C12FN44-Pin PLCC391508-02IC, 68HC05C12, Keyboard MPU, 44-Pin PLCC

Programmed components
CBM part numberCBM part descriptionPart description
391508-01Commodore 391508-01 REV0 Keyboard MPU
391508-02Amiga Tech 391508-02 REV1

Positions
DevicePositionComponentsPackage
A1200U13MC68HC05C4A, MC68HC05C12PLCC

Pinout 68HC05C
PinTypeNameSignal name
A1200
1I/ORESET__PWR_BAD
2InputIRQ_VCC
3N/CNCunused
4N/CNCVCC
5I/OPA7connected to pin 22 of CN13
6I/OPA6connected to pin 21 of CN13
7I/OPA5connected to pin 20 of CN13
8I/OPA4connected to pin 19 of CN13
9I/OPA3connected to pin 18 of CN13
10I/OPA2connected to pin 17 of CN13
11I/OPA1connected to pin 16 of CN13
12I/OPA0connected to pin 15 of CN13
13I/OPB0_KB_DATA
14I/OPB1_KB_CLOCK
15I/OPB2connected to pin 7 of CN13
16I/OPB3connected to pin 5 of CN13
17I/OPB4connected to pin 1 of CN13
18N/CNCunused
19I/OPB5connected to pin 2 of CN13
20I/OPB6connected to pin 3 of CN13
21I/OPB7connected to pin 4 of CN13
22PowerVSSGND
23N/CNCunused
24I/OPC7connected to pin 31 of CN13 via R622
25I/OPC6connected to pin 29 of CN13
26I/OPC5connected to pin 28 of CN13
27I/OPC4connected to pin 27 of CN13
28I/OPC3connected to pin 26 of CN13
29I/OPC2connected to pin 25 of CN13
30I/OPC1connected to pin 24 of CN13
31I/OPC0connected to pin 23 of CN13
32InputPD0/RDIconnected to pin 6 of CN13
33I/OPD1/TDOconnected to pin 8 of CN13
34I/OPD2/MISOconnected to pin 10 of CN13
35I/OPD3/MOSIconnected to pin 11 of CN13
36I/OPD4/SCKconnected to pin 12 of CN13
37InputPD5/_SSconnected to pin 13 of CN13
38OutputTCMP_KB_RESET
39InputPD7connected to pin 14 of CN13
40N/CNCunused
41InputTCAP_KB_DATA
42OutputOSC2connected to Y621
43InputOSC1
44PowerVDDVCC

Copyright © 2003-2005 Ronald van Dijk - All rights reserved