參數(shù)資料
型號(hào): S9S08DN32F1MLH
廠商: Freescale Semiconductor
文件頁(yè)數(shù): 220/356頁(yè)
文件大小: 0K
描述: IC MCU 8BIT 32KB FLASH 64LQFP
產(chǎn)品培訓(xùn)模塊: S08D 8-Bit Microcontroller
標(biāo)準(zhǔn)包裝: 160
系列: S08
核心處理器: S08
芯體尺寸: 8-位
速度: 40MHz
連通性: I²C,LIN,SCI,SPI
外圍設(shè)備: LVD,POR,PWM,WDT
輸入/輸出數(shù): 53
程序存儲(chǔ)器容量: 32KB(32K x 8)
程序存儲(chǔ)器類(lèi)型: 閃存
EEPROM 大?。?/td> 1K x 8
RAM 容量: 1.5K x 8
電壓 - 電源 (Vcc/Vdd): 2.7 V ~ 5.5 V
數(shù)據(jù)轉(zhuǎn)換器: A/D 16x12b
振蕩器型: 內(nèi)部
工作溫度: -40°C ~ 125°C
封裝/外殼: 64-LQFP
包裝: 托盤(pán)
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Chapter 16 Development Support
MC9S08DN60 Series Data Sheet, Rev 3
Freescale Semiconductor
297
16.3
On-Chip Debug System (DBG)
Because HCS08 devices do not have external address and data buses, the most important functions of an
in-circuit emulator have been built onto the chip with the MCU. The debug system consists of an 8-stage
FIFO that can store address or data bus information, and a exible trigger system to decide when to capture
bus information and what information to capture. The system relies on the single-wire background debug
system to access debug control registers and to read results out of the eight stage FIFO.
The debug module includes control and status registers that are accessible in the user’s memory map.
These registers are located in the high register space to avoid using valuable direct page memory space.
Most of the debug module’s functions are used during development, and user programs rarely access any
of the control and status registers for the debug module. The one exception is that the debug system can
provide the means to implement a form of ROM patching. This topic is discussed in greater detail in
16.3.1
Comparators A and B
Two 16-bit comparators (A and B) can optionally be qualied with the R/W signal and an opcode tracking
circuit. Separate control bits allow you to ignore R/W for each comparator. The opcode tracking circuitry
optionally allows you to specify that a trigger will occur only if the opcode at the specied address is
actually executed as opposed to only being read from memory into the instruction queue. The comparators
are also capable of magnitude comparisons to support the inside range and outside range trigger modes.
Comparators are disabled temporarily during all BDC accesses.
The A comparator is always associated with the 16-bit CPU address. The B comparator compares to the
CPU address or the 8-bit CPU data bus, depending on the trigger mode selected. Because the CPU data
bus is separated into a read data bus and a write data bus, the RWAEN and RWA control bits have an
additional purpose, in full address plus data comparisons they are used to decide which of these buses to
use in the comparator B data bus comparisons. If RWAEN = 1 (enabled) and RWA = 0 (write), the CPU’s
write data bus is used. Otherwise, the CPU’s read data bus is used.
The currently selected trigger mode determines what the debugger logic does when a comparator detects
a qualied match condition. A match can cause:
Generation of a breakpoint to the CPU
Storage of data bus values into the FIFO
Starting to store change-of-ow addresses into the FIFO (begin type trace)
Stopping the storage of change-of-ow addresses into the FIFO (end type trace)
16.3.2
Bus Capture Information and FIFO Operation
The usual way to use the FIFO is to setup the trigger mode and other control options, then arm the
debugger. When the FIFO has lled or the debugger has stopped storing data into the FIFO, you would
read the information out of it in the order it was stored into the FIFO. Status bits indicate the number of
words of valid information that are in the FIFO as data is stored into it. If a trace run is manually halted by
writing 0 to ARM before the FIFO is full (CNT = 1:0:0:0), the information is shifted by one position and
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
S9S08DN32F1VLC 制造商:Rochester Electronics LLC 功能描述: 制造商:Freescale Semiconductor 功能描述:
S9S08DN32F2CLF 制造商:Freescale Semiconductor 功能描述:S08D Series 1.5 KB RAM 32 kB Flash SMT 8-bit Microcontroller - LQFP-48
S9S08DN48F1MLF 功能描述:8位微控制器 -MCU M74K MASK ONLY-AUTO RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時(shí)鐘頻率:50 MHz 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT
S9S08DN60F1CLC 制造商:FREESCALE 制造商全稱(chēng):Freescale Semiconductor, Inc 功能描述:Microcontrollers
S9S08DN60F1CLF 制造商:FREESCALE 制造商全稱(chēng):Freescale Semiconductor, Inc 功能描述:Microcontrollers