参数资料
型号: MC68HC908RK2DW
厂商: FREESCALE SEMICONDUCTOR INC
元件分类: 微控制器/微处理器
英文描述: 8-BIT, FLASH, 4 MHz, MICROCONTROLLER, PDSO20
封装: PLASTIC, SOIC-20
文件页数: 48/158页
文件大小: 1020K
代理商: MC68HC908RK2DW
Monitor Module
MC68HC908RK2 Data Sheet, Rev. 5.1
Freescale Semiconductor
141
12.3.1.2 Data Format
Communication with the monitor ROM is in standard non-return-to-zero (NRZ) mark/space data format.
The data transmit and receive rate is determined by the crystal. Transmit and receive baud rates must be
identical.
Figure 12-6. Monitor Data Format
Figure 12-7. Sample Monitor Waveforms
12.3.1.3 Echoing
As shown in Figure 12-8, the monitor ROM immediately echoes each received byte back to the PTA0 pin
for error checking.
Any result of a command appears after the echo of the last byte of the command.
Figure 12-8. Read Transaction
12.3.1.4 Break Signal
A start bit followed by nine low bits is a break signal. (See Figure 12-9.) When the monitor receives a break
signal, it drives the PTA0 pin high for the duration of two bits before echoing the break signal.
BIT 5
START
BIT
BIT 0
BIT 1
NEXT
STOP
BIT
START
BIT
BIT 2
BIT 3
BIT 4
BIT 6
BIT 7
Notes: 1 = Echo delay (2 bit times)
2 = Data return delay (2 bit times)
3 = Wait 1 bit time before sending next byte.
1, 2, 3
BIT 5
START
BIT
BIT 0
BIT 1
NEXT
STOP
BIT
START
BIT
BIT 2
BIT 3
BIT 4
BIT 6
BIT 7
START
BIT
BIT 0
BIT 1
NEXT
STOP
BIT
START
BIT
BIT 2
$A5
BREAK
BIT 3
BIT 4
BIT 5
BIT 6
BIT 7
Notes: 1 = Echo delay (2 bit times)
2 = Data return delay (2 bit times)
3 = Wait 1 bit time before sending next byte.
1, 2, 3
ADDR. HIGH
READ
ADDR. HIGH
ADDR. LOW
DATA
ECHO
SENT TO
MONITOR
RESULT
Notes: 1 = Echo delay (2 bit times)
2 = Data return delay (2 bit times)
3 = Wait 1 bit time before sending next byte.
1
3
1
3
1
2
相关PDF资料
PDF描述
MC68HC912BL16CFU8 16-BIT, FLASH, 8 MHz, MICROCONTROLLER, PQFP64
MC68HC916X1CTH16 16-BIT, FLASH, 16.78 MHz, MICROCONTROLLER, PQFP120
MC916X1CTH16B1 16-BIT, FLASH, 16.78 MHz, MICROCONTROLLER, PQFP120
SPMC916X1CTH16 16-BIT, FLASH, 16.78 MHz, MICROCONTROLLER, PQFP120
MC68HCL05J1ADWR2 8-BIT, MROM, 2.1 MHz, MICROCONTROLLER, PDSO20
相关代理商/技术参数
参数描述
MC68HC908SR12CB 功能描述:IC MCU 12K FLASH 8MHZ 42-SDIP RoHS:否 类别:集成电路 (IC) >> 嵌入式 - 微控制器, 系列:HC08 标准包装:250 系列:56F8xxx 核心处理器:56800E 芯体尺寸:16-位 速度:60MHz 连通性:CAN,SCI,SPI 外围设备:POR,PWM,温度传感器,WDT 输入/输出数:21 程序存储器容量:40KB(20K x 16) 程序存储器类型:闪存 EEPROM 大小:- RAM 容量:6K x 16 电压 - 电源 (Vcc/Vdd):2.25 V ~ 3.6 V 数据转换器:A/D 6x12b 振荡器型:内部 工作温度:-40°C ~ 125°C 封装/外壳:48-LQFP 包装:托盘 配用:MC56F8323EVME-ND - BOARD EVALUATION MC56F8323
MC68HC908SR12CFA 功能描述:MICROCONTROLLER 48 PIN RoHS:否 类别:集成电路 (IC) >> 嵌入式 - 微控制器, 系列:HC08 其它有关文件:STM32F101T8 View All Specifications 特色产品:STM32 32-bit Cortex MCUs 标准包装:490 系列:STM32 F1 核心处理器:ARM? Cortex?-M3 芯体尺寸:32-位 速度:36MHz 连通性:I²C,IrDA,LIN,SPI,UART/USART 外围设备:DMA,PDR,POR,PVD,PWM,温度传感器,WDT 输入/输出数:26 程序存储器容量:64KB(64K x 8) 程序存储器类型:闪存 EEPROM 大小:- RAM 容量:10K x 8 电压 - 电源 (Vcc/Vdd):2 V ~ 3.6 V 数据转换器:A/D 10x12b 振荡器型:内部 工作温度:-40°C ~ 85°C 封装/外壳:36-VFQFN,36-VFQFPN 包装:托盘 配用:497-10030-ND - STARTER KIT FOR STM32497-8853-ND - BOARD DEMO STM32 UNIV USB-UUSCIKSDKSTM32-PL-ND - KIT IAR KICKSTART STM32 CORTEXM3497-8512-ND - KIT STARTER FOR STM32F10XE MCU497-8505-ND - KIT STARTER FOR STM32F10XE MCU497-8304-ND - KIT STM32 MOTOR DRIVER BLDC497-6438-ND - BOARD EVALUTION FOR STM32 512K497-6289-ND - KIT PERFORMANCE STICK FOR STM32MCBSTM32UME-ND - BOARD EVAL MCBSTM32 + ULINK-MEMCBSTM32U-ND - BOARD EVAL MCBSTM32 + ULINK2更多... 其它名称:497-9032STM32F101T8U6-ND
MC68HC912B32CFU8 功能描述:IC MCU 32K FLASH 8MHZ 80-QFP RoHS:否 类别:集成电路 (IC) >> 嵌入式 - 微控制器, 系列:HC12 其它有关文件:STM32F101T8 View All Specifications 特色产品:STM32 32-bit Cortex MCUs 标准包装:490 系列:STM32 F1 核心处理器:ARM? Cortex?-M3 芯体尺寸:32-位 速度:36MHz 连通性:I²C,IrDA,LIN,SPI,UART/USART 外围设备:DMA,PDR,POR,PVD,PWM,温度传感器,WDT 输入/输出数:26 程序存储器容量:64KB(64K x 8) 程序存储器类型:闪存 EEPROM 大小:- RAM 容量:10K x 8 电压 - 电源 (Vcc/Vdd):2 V ~ 3.6 V 数据转换器:A/D 10x12b 振荡器型:内部 工作温度:-40°C ~ 85°C 封装/外壳:36-VFQFN,36-VFQFPN 包装:托盘 配用:497-10030-ND - STARTER KIT FOR STM32497-8853-ND - BOARD DEMO STM32 UNIV USB-UUSCIKSDKSTM32-PL-ND - KIT IAR KICKSTART STM32 CORTEXM3497-8512-ND - KIT STARTER FOR STM32F10XE MCU497-8505-ND - KIT STARTER FOR STM32F10XE MCU497-8304-ND - KIT STM32 MOTOR DRIVER BLDC497-6438-ND - BOARD EVALUTION FOR STM32 512K497-6289-ND - KIT PERFORMANCE STICK FOR STM32MCBSTM32UME-ND - BOARD EVAL MCBSTM32 + ULINK-MEMCBSTM32U-ND - BOARD EVAL MCBSTM32 + ULINK2更多... 其它名称:497-9032STM32F101T8U6-ND
MC68HC916P1CAA16 功能描述:16位微控制器 - MCU 16B MCU 32K FLASH RoHS:否 制造商:Texas Instruments 核心:RISC 处理器系列:MSP430FR572x 数据总线宽度:16 bit 最大时钟频率:24 MHz 程序存储器大小:8 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:2 V to 3.6 V 工作温度范围:- 40 C to + 85 C 封装 / 箱体:VQFN-40 安装风格:SMD/SMT
MC68HC916P1CFU16 制造商:Rochester Electronics LLC 功能描述:16BIT W/32KB FLASH EEPRO - Bulk