参数资料
型号: MC68HC705C9AFNE
厂商: Freescale Semiconductor
文件页数: 24/118页
文件大小: 0K
描述: IC MCU 8BIT 44-PLCC
标准包装: 26
系列: HC05
核心处理器: HC05
芯体尺寸: 8-位
速度: 2.1MHz
连通性: SCI,SPI
外围设备: POR,WDT
输入/输出数: 24
程序存储器容量: 16KB(16K x 8)
程序存储器类型: OTP
RAM 容量: 352 x 8
电压 - 电源 (Vcc/Vdd): 3 V ~ 5.5 V
振荡器型: 内部
工作温度: 0°C ~ 70°C
封装/外壳: 44-LCC(J 形引线)
包装: 管件
MC68HC05C9A Advance Information Data Sheet, Rev. 4.1
Freescale Semiconductor
13
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:
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
1. No security feature is absolutely secure. However, Freescale’s strategy is to make reading or copying the EPROM difficult for
unauthorized users.
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