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參數(shù)資料
| 型號(hào)： | UPSD3352D-40U6T |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | Turbo Series Fast 8032 MCU with Programmable Logic |
| 中文描述： | Turbo系列8032微控制器的快速可編程邏輯 |
| 文件頁(yè)數(shù)： | 39/231頁(yè) |
| 文件大?。?/td> | 3722K |
| 代理商： | UPSD3352D-40U6T |
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uPSD33xx
DEBUG UNIT
The 8032 MCU Module supports run-time debug-
ging through the JTAG interface. This same JTAG
interface is also used for In-System Programming
(ISP) and the physical connections are described
in the PSD Module section,
JTAG ISP and JTAG
Debug, page 195
.
Debugging with a serial interface such as JTAG is
a non-intrusive way to gain access to the internal
state of the 8032 MCU core and various memo-
ries. A traditional external hardware emulator can-
not be completely effective on the uPSD33xx
because of the Pre-Fetch Queue and Branch
Cache. The nature of the PFQ and BC hide the
visibility of actual program flow through traditional
external bus connections, thus requiring on-chip
serial debugging instead.
Debugging is supported by Windows PC based
software tools used for 8051 code development
from 3rd party vendors listed at www.st.com/psm.
Debug capabilities include:
Halt or Start MCU execution
Reset the MCU
Single Step
3 Match Breakpoints
1 Range Breakpoint (inside or outside range)
Program Tracing
Read or Modify MCU core registers, DATA,
IDATA, SFR, XDATA, and Code
External Debug Event Pin, Input or Output
Some key points regarding use of the JTAG De-
bugger.
–
The JTAG Debugger can access MCU
registers, data memory, and code memory
while the MCU is executing at full speed by
cycle-stealing. This means “watch windows”
may be displayed and periodically updated on
the PC during full speed operation. Registers
and data content may also be modified during
full speed operation.
■
■
■
■
■
■
■
■
–
There is no on-chip storage for Program Trace
data, but instead this data is scanned from the
uPSD33xx through the JTAG channel at run-
time to the PC host for proccessing. As such,
full speed program tracing is possible only
when the 8032 MCU is operating below
approximately one MIPS of performance.
Above one MIPS, the program will not run
real-time while tracing. One MIPS
performance is determined by the
combination of choice for MCU clock
frequency, and the bit settings in SFR
registers BUSCON and CCON0.
Breakpoints can optionally halt the MCU, and/
or assert the external Debug Event pin.
Breakpoint definitions may be qualified with
read or write operations, and may also be
qualified with an address of code, SFR, DATA,
IDATA, or XDATA memories.
Three breakpoints will compare an address,
but the fourth breakpoint can compare an
address and also data content. Additionally,
the fouth breakpoint can be logically combined
(AND/OR) with any of the other three
breakpoints.
The Debug Event pin can be configured by the
PC host to generate an output pulse for
external triggering when a break condition is
met. The pin can also be configured as an
event input to the breakpoint logic, causing a
break on the falling-edge of an external event
signal. If not used, the Debug Event pin should
be pulled up to V
CC
as described in the
section,
Debugging the 8032 MCU
Module., page 201
.
The duration of a pulse, generated when the
Event pin configured as an output, is one MCU
clock cycle. This is an active-low signal, so the
first edge when an event occurs is high-to-low.
The clock to the Watchdog Timer, ADC, and
I
2
C interface are not stopped by a breakpoint
halt.
The Watchdog Timer should be disabled while
debugging with JTAG, else a reset will be
generated upon a watchdog time-out.
–
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相關(guān)PDF資料 |
PDF描述 |
|---|---|
| UPSD3352DV-40T6T | Turbo Series Fast 8032 MCU with Programmable Logic |
| UPSD3352DV-40U6T | Turbo Series Fast 8032 MCU with Programmable Logic |
| UPSD3353DV-40T6T | Turbo Series Fast 8032 MCU with Programmable Logic |
| UPSD3353DV-40U6T | Turbo Series Fast 8032 MCU with Programmable Logic |
| UPSD3354DV-40T6T | Turbo Series Fast 8032 MCU with Programmable Logic |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| UPSD3354D-40T6 | 功能描述:8位微控制器 -MCU 8032 MCU USB 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 |
| UPSD3354D-40U6 | 功能描述:8位微控制器 -MCU 8BIT Fast 8032 MCU 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 |
| UPSD3354DV-40T6 | 功能描述:8位微控制器 -MCU 8032 MCU USB 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 |
| UPSD3354DV-40U6 | 功能描述:8位微控制器 -MCU FAST 8032 8BIT MCU 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 |
| UPSD3422E-40T6 | 功能描述:8位微控制器 -MCU 8 BITS MICROCONTR 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 |
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