(China (Mainland))
Product Summary
The MC68705P3L microcomputer unit (MCU) is an EPROM menber of the MC6805 Family of microcomputers. The user programmable EPROM allows program changes and lower volume applications. This low cost MCU MC68705P3L has parallel I/O capability with pins programmable as input or output. This publication contains condensed information on the MCU.
Parametrics
MC68705P3L absolute maximum ratings: (1)Supply Voltage, VCC: -0.3 to -7.0V; (2)Input Voltages: EPROM programming voltage(Vpp pin), VPP: -0.3 to 22V; timer pin(normal mode), Vin: -0.3 to 7.0V; timer pin(bootstrap programming mode), vin: -0.3 to +15v; all other, Vin: -0.3 to +7.0 v; (3)Operating Temperature Range, TA: 0 to 70℃; (4)Storage Temperature Range, Tstg: -55 to 150℃; (5)Junction Temperature cerdip, TJ: 150 ℃/W.
Features
MC68705P3L features: (1)Internal 8-bit Timer with 7-Bit Programmable Prescaler; (2)On-Chip Oscillator; (3)Memory Mapped I/O; (4)Versatile Interrupt handling; (5)Bit Manipulation; (6)Bit Test and Branch Instruction; (7)Vectored Interrupts; (8)Bootstrap program in ROM; (9)1804 bytes EPROM; (10)112 Bytes RAM; (11)20 TTL/CMOS Compatible Bidirectional I/O Lines.
Diagrams
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