EF6805U3 Datasheet, PDF (27/31 Pages) STMicroelectronics – 8-BIT MICROCOMPUTER UNIT

EF6805U3
HMOS 6805 FAMILY
Features
Technology
Number of Pins
On-chip RAM (bytes)
On-chip User ROM (bytes)
External Bus
Bidirectional I/O Lines
Unidirectional I/O Lines
Other I/O Features
External Interrupt Inputs
STOP and WAIT
EF6805P2
HMOS
28
64
1100
None
20
None
Timer
1
No
EF6805P6
HMOS
28
64
1796
None
20
None
Timer
1
No
EF6805R2
HMOS
40
64
2048
None
24
6 Inputs
Timer, A/D
2
No
EF6805R3
HMOS
40
112
3776
None
24
6 Inputs
Timer, A/D
2
No
EF6805U2
HMOS
40
64
2048
None
24
8 Inputs
Timer
2
No
EF6805U3
HMOS
40
112
3776
None
24
8 Inputs
Timer
2
No
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