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| 型号： | MAXQ7665BATM+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 22/47页 |
| 文件大小： | 0K |
| 描述： | IC MCU-BASED DAS 16BIT 48-TQFN |
| 标准包装： | 2,500 |
| 系列： | MAXQ® |
| 核心处理器： | RISC |
| 芯体尺寸： | 16-位 |
| 速度： | 8MHz |
| 连通性： | CAN，LIN，UART/USART |
| 外围设备： | 欠压检测/复位，POR，PWM，WDT |
| 输入/输出数： | 8 |
| 程序存储器容量： | 64KB（32K x 16） |
| 程序存储器类型： | 闪存 |
| RAM 容量： | 256 x 16 |
| 电压 - 电源 (Vcc/Vdd)： | 2.7 V ~ 5.25 V |
| 数据转换器： | A/D 8x12b，D/A 1x12b |
| 振荡器型： | 内部 |
| 工作温度： | -40°C ~ 125°C |
| 封装/外壳： | 48-VFQFN 裸露焊盘 |
| 包装： | 带卷 (TR) |
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MAXQ7665A–MAXQ7665D
16-Bit RISC Microcontroller-Based
Smart Data-Acquisition Systems
______________________________________________________________________________________
29
TAP controller (see Figure 12). The shift registers serve
as transmit-and-receive data buffers for a debugger.
From a JTAG perspective, shift registers are user-
defined optional data registers. The bypass register
and the instruction register, for example, are realized
as a set of shift-register-based elements connected in
parallel between a common serial input (TDI) and a
common serial output (TDO). The instruction register,
through the TAP controller, selects one of the registers
to form an active serial path.
The maximum TCK clock frequency must be below
1/8 of the system clock frequency to work properly.
The TAP operates asynchronously with on-chip sys-
tem logic and may be affected by the timing relation-
ship between the on-chip state machines and the
TAP. The on-chip state machines are clocked by the
system clock.
The four digital I/Os that form the TAP module are
described as follows:
TDO—Serial output signal for test instruction and
data. Data is driven out only on the falling edge of
TCK and is forced in an inactive state when it is idle.
This signal is used to serially transfer internal data to
the host. Data is transferred LSB first.
TDI—Serial input signal for test instruction and data.
Data should be driven in only on the rising edge of
TCK. This signal is used to serially transfer data from
765
432
10 S1 S0
432
10
SYSTEM PROGRAMMING REGISTER
2
PO.0/TDO
10
PO.2/TDI
PO.1/TMS
PO.3/TCK
DVDDIO
INSTRUCTION REGISTER
POWER-ON
RESET
TAP
CONTROLLER
BYPASS
DEBUG REGISTER
SHADOW REGISTER
DVDDIO
READ
WRITE
DVDDIO
UPDATE-DR
MAXQ7665A–MAXQ7665D
MUX
DVDDIO
MUX
TO DEBUG
ENGINE
Figure 12. JTAG Interface Block Diagram
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAXQ7665C | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:16-Bit RISC Microcontroller-Based Smart Data-Acquisition Systems |
| MAXQ7665CATM+ | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:16-Bit RISC Microcontroller-Based Smart Data-Acquisition Systems |
| MAXQ7665D | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:16-Bit RISC Microcontroller-Based Smart Data-Acquisition Systems |
| MAXQ7665DATM+ | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:16-Bit RISC Microcontroller-Based Smart Data-Acquisition Systems |
| MAXQ7665EVKIT# | 功能描述:开发板和工具包 - 其他处理器 Programmers, Development Systems RoHS:否 制造商:Freescale Semiconductor 产品:Development Systems 工具用于评估:P3041 核心:e500mc 接口类型:I2C, SPI, USB 工作电源电压: |
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