参数资料
型号: MC68LC302PU25CT
厂商: FREESCALE SEMICONDUCTOR INC
元件分类: 微控制器/微处理器
英文描述: 4 CHANNEL(S), 10M bps, LOCAL AREA NETWORK CONTROLLER, PQFP100
封装: 14 X 14 MM, 1.40 MM HEIGHT, 0.50 MM PITCH, PLASITC, LQFP-100
文件页数: 114/128页
文件大小: 641K
代理商: MC68LC302PU25CT
MOTOROLA
MC68360 USER’S MANUAL
7-1
SECTION 7
IEEE 1149.1 (JTAG) TEST ACCESS PORT
The MC68EN302 provides a dedicated user-accessible test access port (TAP) that is fully
compatible with the
IEEE 1149.1 Standard Test Access Port and Boundary Scan Architec-
ture.
The TAP consists of five dedicated signal pins, a 16-state TAP controller, boundary scan
and instruction registers. A boundary scan register links I/O pins into a single shift register.
The test logic, implemented utilizing static logic design, is independent of the device system
logic. The MC68EN302 implementation provides the capability to:
1. Perform boundary scan operations to test circuit-board electrical continuity.
2. Bypass the MC68EN302 for a given circuit-board test by effectively reducing the
boundary scan register to a single cell.
3. Sample the MC68EN302 system pins during operation and transparently shift out the
result in the boundary scan register.
4. Disable the output drive to pins during circuit-board testing.
NOTE
Certain precautions must be observed to ensure that the IEEE
1149.-like test logic does not interfere with nontest operation.
See 7.6 Non-Scan Chain Operation for details.
In addition to the scan-test logic, the MC68EN302 contains a signal that can be used to
three-state all MC68EN302 output signals. This signal, called three-state (THREESTATE),
is sampled during system reset.
7.1 OVERVIEW
An overview of the MC68EN302 scan chain implementation is shown in Figure 7-1. The
MC68EN302 implementation includes a TAP controller, a 4-bit instruction register, and two
test registers (a 1-bit bypass register and a 163-bit boundary scan register). This implemen-
tation includes a dedicated TAP consisting of the following signals:
TCK—a test clock input to synchronize the test logic.
TMS—a test mode select input (with an internal pullup resistor) that is sampled on the
rising edge of TCK to sequence the TAP controller’s state machine.
TDI—a test data input (with an internal pullup resistor) that is sampled on the rising
edge of TCK.
相关PDF资料
PDF描述
MC908AB32VFUR2 8-BIT, FLASH, 8.4 MHz, MICROCONTROLLER, PQFP64
MC908AZ60AVFUR2 8-BIT, FLASH, 8.4 MHz, MICROCONTROLLER, PQFP64
MC912D60ACFU8 16-BIT, FLASH, 8 MHz, MICROCONTROLLER, PQFP80
MCHC908JK3CDWR2 8-BIT, FLASH, 4 MHz, MICROCONTROLLER, PDSO20
MPC563MZP66R2 32-BIT, FLASH, 66 MHz, RISC MICROCONTROLLER, PBGA388
相关代理商/技术参数
参数描述
MC68LK332ACAG16 功能描述:32位微控制器 - MCU 32BIT MCU 2KRAM TPU QSM RoHS:否 制造商:Texas Instruments 核心:C28x 处理器系列:TMS320F28x 数据总线宽度:32 bit 最大时钟频率:90 MHz 程序存储器大小:64 KB 数据 RAM 大小:26 KB 片上 ADC:Yes 工作电源电压:2.97 V to 3.63 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:LQFP-80 安装风格:SMD/SMT
MC68LK332ACAG16 制造商:Freescale Semiconductor 功能描述:Microcontroller
MC68LK332ACEH16 功能描述:32位微控制器 - MCU 32BIT MCU 2KRAM TPU QSM RoHS:否 制造商:Texas Instruments 核心:C28x 处理器系列:TMS320F28x 数据总线宽度:32 bit 最大时钟频率:90 MHz 程序存储器大小:64 KB 数据 RAM 大小:26 KB 片上 ADC:Yes 工作电源电压:2.97 V to 3.63 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:LQFP-80 安装风格:SMD/SMT
MC68LK332ACPV16 功能描述:IC MCU 32BIT LV AMASK 144-LQFP RoHS:否 类别:集成电路 (IC) >> 嵌入式 - 微控制器, 系列:M683xx 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
MC68LK332GCAG16 功能描述:32位微控制器 - MCU 32BIT MCU 2KRAM TPU QSM RoHS:否 制造商:Texas Instruments 核心:C28x 处理器系列:TMS320F28x 数据总线宽度:32 bit 最大时钟频率:90 MHz 程序存储器大小:64 KB 数据 RAM 大小:26 KB 片上 ADC:Yes 工作电源电压:2.97 V to 3.63 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:LQFP-80 安装风格:SMD/SMT