参数资料
型号: MC68HC705F4FB
厂商: FREESCALE SEMICONDUCTOR INC
元件分类: 微控制器/微处理器
英文描述: 8-BIT, OTPROM, 1.789 MHz, MICROCONTROLLER, PQFP44
封装: PLASTIC, QFP-44
文件页数: 44/130页
文件大小: 10504K
代理商: MC68HC705F4FB
1-2
MC68HC05F4
INTRODUCTION
1
1.1
Features
Fully static design featuring the industry-standard M68HC05 CPU core
3840 bytes of user ROM, plus 16 bytes for vectors
256 bytes of RAM
256 bytes of user EEPROM
DTMF/melody generator
16-bit programmable timer with two input captures and two output compares
15 stage multipurpose core timer with timer overow, real time interrupt and COP watchdog
COP watchdog timer (mask option)
Power saving STOP and WAIT modes
I/O lines (8 with high-voltage, open-drain outputs)
44 QFP conguration – total of 32 dedicated bidirectional I/O pins
28 SOIC/PDIP conguration – total of 16 dedicated bidirectional I/O pins
Keyboard interrupt facility on eight of the I/O lines
Hardware interrupt with edge or edge-and-level sensitive interrupt trigger
On-chip oscillator
On-chip low voltage detection circuit
Two selectable bus frequencies
Power-on and power-off resets; low voltage detection circuitry (EEPROM)
Available in 44-pin QFP package, 28-pin SOIC package and 28-pin PDIP package (ports C
and D not available in 28-pin packages)
1.2
Mask options for the MC68HC05F4
There are three mask options available on the MC68HC05F4: STOP instruction – enable/disable,
low voltage reset – enable/disable, and COP watchdog timer – enable/disable. These options are
programmed during fabrication and must be specied by the customer at the time of ordering.
TPG
16
05F4Book Page 2 Tuesday, August 5, 1997 1:10 pm
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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相关PDF资料
PDF描述
MC68HC05F4FB 8-BIT, MROM, 1.789 MHz, MICROCONTROLLER, PQFP44
MC68HC05F4CDW 8-BIT, MROM, 1.789 MHz, MICROCONTROLLER, PDSO28
MC68HC705G4 8-BIT, OTPROM, 1 MHz, MICROCONTROLLER, PQFP80
MC68HC05G3 8-BIT, OTPROM, 2 MHz, MICROCONTROLLER, PQFP80
MC68HC705J5ACJP 8-BIT, OTPROM, 2.1 MHz, MICROCONTROLLER, PDIP16
相关代理商/技术参数
参数描述
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