MC68HC705C9ACFN Freescale Semiconductor, MC68HC705C9ACFN Datasheet - Page 13

IC MCU 2.1MHZ 16K OTP 44-PLCC

MC68HC705C9ACFN

Manufacturer Part Number
MC68HC705C9ACFN
Description
IC MCU 2.1MHZ 16K OTP 44-PLCC
Manufacturer
Freescale Semiconductor
Series
HC05r
Datasheet

Specifications of MC68HC705C9ACFN

Core Processor
HC05
Core Size
8-Bit
Speed
2.1MHz
Connectivity
SCI, SPI
Peripherals
POR, WDT
Number Of I /o
24
Program Memory Size
16KB (16K x 8)
Program Memory Type
OTP
Ram Size
352 x 8
Voltage - Supply (vcc/vdd)
3 V ~ 5.5 V
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
44-PLCC
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Data Converters
-

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Chapter 1
General Description
1.1 Introduction
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.
1.2 Features
Features include:
1. No security feature is absolutely secure. However, Freescale’s strategy is to make reading or copying the EPROM difficult for
Freescale Semiconductor
unauthorized users.
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
MC68HC05C9A Advance Information Data Sheet, Rev. 4.1
(1)
feature
13

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