参数资料
型号: MC68HC705SR3CPE
厂商: Freescale Semiconductor
文件页数: 73/96页
文件大小: 0K
描述: IC MCU 3.75K 2.1MHZ OTP 40-DIP
标准包装: 9
系列: HC05
核心处理器: HC05
芯体尺寸: 8-位
速度: 4MHz
外围设备: LED,POR
输入/输出数: 32
程序存储器容量: 3.75KB(3.75K x 8)
程序存储器类型: OTP
RAM 容量: 192 x 8
电压 - 电源 (Vcc/Vdd): 3 V ~ 5.5 V
数据转换器: A/D 4x8b
振荡器型: 内部
工作温度: -40°C ~ 85°C
封装/外壳: 40-DIP(0.600",15.24mm)
包装: 管件
MC68HC05SR3
Freescale
10-3
OPERATING MODES
10
10.3
Bootstrap Mode
The Bootstrap mode is provided in the EPROM part (MC68HC705SR3) as a mean of
self-programming its EPROM with minimal circuitry. Bootstrap mode will be entered on the rising
edge of RESET when the VPP pin is at VTST (2×VDD) and PB1 pin is at VDD. Once in the bootstrap
mode, PB1 can then be used for other purposes. After entering the bootstrap mode, CPU
branches to the bootstrap program and carries out the EPROM programming routine. The user
EPROM consists of 3840 bytes, from location $1000 to $1EFF.
Refer to Appendix A for further details on MC68HC705SR3.
Table 10-2 Self-Check Report
D4
D3
D2
D1
REMARKS
Flashing
O.K. (self-check is on-going)
1
Bad port A
1
0
Bad port B
1
0
1
Bad port C
1
0
Bad port D
10
11
Bad RAM
10
Bad ROM
10
00
Bad SWI
01
11
Bad IRQ
1=LED on, 0=LED off
TPG
73
05SR3.Book Page 3 Thursday, August 4, 2005 1:08 PM
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MC68HC705SR3CPE 制造商:Freescale Semiconductor 功能描述:8-Bit Microcontroller IC
MC68HC705SR3PE 功能描述:IC MCU 3.75K 2.1MHZ OTP 40-DIP RoHS:是 类别:集成电路 (IC) >> 嵌入式 - 微控制器, 系列:HC05 标准包装:1 系列:AVR® ATmega 核心处理器:AVR 芯体尺寸:8-位 速度:16MHz 连通性:I²C,SPI,UART/USART 外围设备:欠压检测/复位,POR,PWM,WDT 输入/输出数:32 程序存储器容量:32KB(16K x 16) 程序存储器类型:闪存 EEPROM 大小:1K x 8 RAM 容量:2K x 8 电压 - 电源 (Vcc/Vdd):2.7 V ~ 5.5 V 数据转换器:A/D 8x10b 振荡器型:内部 工作温度:-40°C ~ 125°C 封装/外壳:44-TQFP 包装:剪切带 (CT) 其它名称:ATMEGA324P-B15AZCT
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