68705: Difference between revisions
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'''8-bit | '''8-bit Microcomputer Unit''' | ||
=Family table= | |||
{| border="1" cellpadding="4" cellspacing="0" | |||
!Model | |||
!technology | |||
!ROM type | |||
|- | |||
|'''6805''' || HMOS || MaskROM | |||
|- | |||
|'''68705''' || HMOS || EPROM/OTPROM | |||
|- | |||
|'''146805''' || CMOS || MaskROM | |||
|- | |||
|'''1468705''' || CMOS || EPROM/OTPROM | |||
|- | |||
|'''68HC05''' || high speed CMOS || MaskROM | |||
|- | |||
|'''68HC705''' || high speed CMOS || EPROM/OTPROM | |||
|- | |||
|'''68HC805''' || high speed CMOS || EEPROM | |||
|} | |||
=Pinout= | =Pinout= | ||
<pre> | <pre> | ||
DIP28 | DIP20-300mil | ||
+---\/---+ | |||
OSC1 | 1 20| *RESET | |||
OSC2 | 2 19| *IRQ/Vpp | |||
PB5 | 3 18| PA0 | |||
PB4 | 4 17| PA1 | |||
PB3 | 5 16| PA2 | |||
PB2 | 6 15| PA3 | |||
PB1 | 7 14| PA4 | |||
PB0 | 8 13| PA5 | |||
Vdd | 9 12| PA6 | |||
Vss |10 11| PA7 | |||
+--------+ | |||
DIP28-600mil | |||
+---\/---+ | +---\/---+ | ||
Vss | 1 28| *RESET | Vss | 1 28| *RESET | ||
| Line 19: | Line 55: | ||
PB1 |13 16| PB4 | PB1 |13 16| PB4 | ||
PB2 |14 15| PB3 | PB2 |14 15| PB3 | ||
+--------+ | |||
DIP40-600mil | |||
+---\/---+ | |||
*RESET | 1 40| Vdd | |||
*IRQ | 2 39| OSC1 | |||
Vpp | 3 38| OSC2 | |||
PA7 | 4 37| TCAP | |||
PA6 | 5 36| PD7 | |||
PA5 | 6 35| TCMP | |||
PA4 | 7 34| PD5/*SS | |||
PA3 | 8 33| PD4/SCK | |||
PA2 | 9 32| PD3/MOSI | |||
PA1 |10 31| PD2/MISO | |||
PA0 |11 30| PD1/TDO | |||
PB0 |12 29| PD0/RDI | |||
PB1 |13 28| PC0 | |||
PB2 |14 27| PC1 | |||
PB3 |15 26| PC2 | |||
PB4 |16 25| PC3 | |||
PB5 |17 24| PC4 | |||
PB6 |18 23| PC5 | |||
PB7 |19 22| PC6 | |||
Vss |20 21| PC7 | |||
+--------+ | +--------+ | ||
</pre> | </pre> | ||
=Frequency= | =Frequency= | ||
'''DIP20'''<br> | |||
Set reader to FREQ, put black probe to GND, red probe to 1 and 2 to measure CPU clock | |||
'''DIP28'''<br> | '''DIP28'''<br> | ||
Set reader to FREQ, put black probe to GND, red probe to 4 and 5 to measure CPU clock | Set reader to FREQ, put black probe to GND, red probe to 4 and 5 to measure CPU clock | ||
'''DIP28'''<br> | |||
Set reader to FREQ, put black probe to GND, red probe to 38 and 39 to measure CPU clock | |||
=External links= | =External links= | ||
| Line 32: | Line 99: | ||
<gallery widths="150px"> | <gallery widths="150px"> | ||
File:68705.pdf|68705 Datasheet | File:68705.pdf|68705 Datasheet | ||
File:68hc705.pdf|68HC705 Datasheet | |||
File:68hc705c.pdf|68HC705C Datasheet | |||
</gallery> | </gallery> | ||
[[Category:CPU]] | [[Category:CPU]] | ||
[[Category:DIP20-300mil]] | |||
[[Category:DIP28-600mil]] | [[Category:DIP28-600mil]] | ||
[[Category:DIP40-600mil]] | |||
Latest revision as of 17:32, 24 July 2018
8-bit Microcomputer Unit
Family table
| Model | technology | ROM type |
|---|---|---|
| 6805 | HMOS | MaskROM |
| 68705 | HMOS | EPROM/OTPROM |
| 146805 | CMOS | MaskROM |
| 1468705 | CMOS | EPROM/OTPROM |
| 68HC05 | high speed CMOS | MaskROM |
| 68HC705 | high speed CMOS | EPROM/OTPROM |
| 68HC805 | high speed CMOS | EEPROM |
Pinout
DIP20-300mil
+---\/---+
OSC1 | 1 20| *RESET
OSC2 | 2 19| *IRQ/Vpp
PB5 | 3 18| PA0
PB4 | 4 17| PA1
PB3 | 5 16| PA2
PB2 | 6 15| PA3
PB1 | 7 14| PA4
PB0 | 8 13| PA5
Vdd | 9 12| PA6
Vss |10 11| PA7
+--------+
DIP28-600mil
+---\/---+
Vss | 1 28| *RESET
*INT | 2 27| PA7
Vcc | 3 26| PA6
EXTAL | 4 25| PA5
XTAL | 5 24| PA4
Vpp | 6 23| PA3
TIMER | 7 22| PA2
PC0 | 8 21| PA1
PC1 | 9 20| PA0
PC2 |10 19| PB7
PC3 |11 18| PB6
PB0 |12 17| PB5
PB1 |13 16| PB4
PB2 |14 15| PB3
+--------+
DIP40-600mil
+---\/---+
*RESET | 1 40| Vdd
*IRQ | 2 39| OSC1
Vpp | 3 38| OSC2
PA7 | 4 37| TCAP
PA6 | 5 36| PD7
PA5 | 6 35| TCMP
PA4 | 7 34| PD5/*SS
PA3 | 8 33| PD4/SCK
PA2 | 9 32| PD3/MOSI
PA1 |10 31| PD2/MISO
PA0 |11 30| PD1/TDO
PB0 |12 29| PD0/RDI
PB1 |13 28| PC0
PB2 |14 27| PC1
PB3 |15 26| PC2
PB4 |16 25| PC3
PB5 |17 24| PC4
PB6 |18 23| PC5
PB7 |19 22| PC6
Vss |20 21| PC7
+--------+
Frequency
DIP20
Set reader to FREQ, put black probe to GND, red probe to 1 and 2 to measure CPU clock
DIP28
Set reader to FREQ, put black probe to GND, red probe to 4 and 5 to measure CPU clock
DIP28
Set reader to FREQ, put black probe to GND, red probe to 38 and 39 to measure CPU clock
External links
Files
-
68705 Datasheet -
68HC705 Datasheet
-
68HC705C Datasheet
