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MFG:MOTO  Package Cooled:PLCC20  D/C:03+  

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Part Number: MC68HC705C9A

 

MFG: MOTO

Package Cooled: PLCC20

D/C: 03+

Description: The MC68HC705C9A HCMOS microcomputer is a member of the M68HC05 Family. The MC68HC705C9A is the EPROM ver...


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MC68HC705C9A General Description


The MC68HC705C9A HCMOS microcomputer is a member of the M68HC05 Family. The MC68HC705C9A is the EPROM version of the MC68HC05C9A and also can be configured as the EPROM version of the MC68HC05C12A. The MC68HC705C9A memory map consists of 12,092 bytes of user EPROM and 176 bytes of RAM when it is configured as an MC68HC05C12A and 15,932 bytes of user EPROM and 352 bytes of RAM when configured as an MC68HC05C9A. The MC68HC705C9A includes a serial communications interface, a serial peripheral interface, and a 16-bit capture/compare timer.

MC68HC705C9A Maximum Ratings

Rating Symbol Value Unit
Supply voltage VDD 0.3 to +7.0 V
Input voltage
Normal operation
Bootloader mode (IRQ  pin only)		 VIn VSS 0.3 to VDD + 0.3
VSS 0.3 to 2 x VDD + 0.3		 V
Current drain per pin
(Excluding VDD and VSS)		 I 25 mA
Storage temperature range TSTG 65 to +150

MC68HC705C9A Features

Programmable mask option register (MOR) for C9A/C12A configuration
 Programmable MOR for port B pullups and interrupts 
Popular M68HC05 central processor unit (CPU)
 15,932 bytes of EPROM (12,092 bytes for C12A configuration
 352 bytes of RAM (176 for C12A configuration)
 Memory mapped input/output (I/O)
 31 bidirectional I/O lines (24 I/O + 6 input only for C12A configuration) with high current sink and source on PC7
 Asynchronous serial communications interface (SCI)
 Synchronous serial peripheral interface (SPI)
 16-bit capture/compare timer
 Computer operating properly (COP) watchdog timer and clock monitor
 Power-saving wait and stop modes
 On-chip crystal oscillator connections
 Single 3.0 volts to 5.5 volts power supply requirement
 EPROM contents security(1)  feature

MC68HC705C9A Connection Diagram

MC68HC705C9A Connection Diagram

MC68HC705C9A datasheet

MC68HC705C9A
PDF/DataSheet Download

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