參數(shù)資料
型號(hào)： MAXQ7666BATM+
廠商： MAXIM INTEGRATED PRODUCTS INC
元件分類： 微控制器/微處理器
英文描述： RISC MICROCONTROLLER, QCC48
封裝： 7 X 7 MM, ROHS COMPLAINT, TQFN-48
文件頁(yè)數(shù)： 26/49頁(yè)
文件大小： 2130K
代理商： MAXQ7666BATM+
MAXQ7666
16-Bit, RISC, Microcontroller-Based,
Smart Data-Acquisition System
32
_______________________________________________________________________________________
TMS—Test Mode Selection. The rising edge of TCK
samples the test signal at TMS. The TAP controller
decodes the test signal at TMS to control the test
operation. Force TMS high when inactive.
General-Purpose Digital I/Os
The MAXQ7666 provides eight general-purpose digital
I/Os (GPIOs). All GPIOs have an additional special
function (SF), such as a timer input/output, or TAP sig-
nal for JTAG communication. For example, the state of
P0.6/T0 can be programmed to depend on timer chan-
nel 0 logic. When programmed as a port, each I/O is
configurable for high-impedance or weak pullup to
DVDDIO. At power-up, each GPIO is configured as an
input with pullups to DVDDIO. In addition, each GPIO
can cause an externally triggered interrupt on falling or
rising edges. Any externally triggered interrupt can wake
up the device from stop mode.
The data input/output direction in a port is independent-
ly controlled by the port direction register (PD). Each
I/O within the port is individually set as an output or
input. The port output register (PO) contains the current
state of the logic output buffers. When an I/O is config-
ured as an output, writing to the PO register controls
the output logic state. Reading the PO register shows
the current state of the output buffers, independent of
the data direction. The port input register (PI) is a read-
only register that always reflects the logic state of the
I/Os. When an I/O is configured as an input, writing to
the PO register enables/disables the pullup resistor.
Refer to the
MAXQ7665/MAXQ7666 User’s Guide for
more detailed information.
Port Characteristics
The MAXQ7666 contains one GPIO port (P0). It is a
bidirectional 8-bit I/O port, which contains the following
features:
Schmitt trigger input circuitry with software-selec-
table high-impedance or weak pullup to DVDDIO
Software-selectable push-pull CMOS output drivers
capable of sinking and sourcing 1.6mA
Software-selectable open-drain output drivers capa-
ble of sinking 1.6mA
Falling or rising edge interrupt capability
All I/Os contain an additional special function, such as
a logic input/output for a timer channel. Selecting an
I/O for a special function alters the port characteristics
of that I/O (refer to the
MAXQ7665/MAXQ7666 User’s
Guide for more details). Figure 13 illustrates the func-
tional blocks of an I/O.
M
UX
FLAG
PD0._
SF DIRECTION
SF ENABLE
PO0._
SF OUTPUT
PI0._ OR
SF INPUT
EIEO._
EIES._
INTERRUPT
FLAG
DETECT
CIRCUIT
M
UX
DVDDIO
I/O PAD
GNDIO
400k
Ω
PD
PO
P0._
MAXQ7666
Figure 13. Digital I/O Circuitry
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAXQ7666BATM+ 功能描述:16位微控制器 - MCU RoHS:否 制造商:Texas Instruments 核心:RISC 處理器系列:MSP430FR572x 數(shù)據(jù)總線寬度:16 bit 最大時(shí)鐘頻率:24 MHz 程序存儲(chǔ)器大小:8 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:2 V to 3.6 V 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:VQFN-40 安裝風(fēng)格:SMD/SMT
MAXQ7666BATM+T 功能描述:16位微控制器 - MCU RoHS:否 制造商:Texas Instruments 核心:RISC 處理器系列:MSP430FR572x 數(shù)據(jù)總線寬度:16 bit 最大時(shí)鐘頻率:24 MHz 程序存儲(chǔ)器大小:8 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:2 V to 3.6 V 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:VQFN-40 安裝風(fēng)格:SMD/SMT
MAXQ7667 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:16-Bit, RISC, Microcontroller-Based, Ultrasonic Distance-Measuring System
MAXQ7667AACM/V+ 功能描述:16位微控制器 - MCU 16-Bit RISC MCU-Bsd Ultrasonic DMS RoHS:否 制造商:Texas Instruments 核心:RISC 處理器系列:MSP430FR572x 數(shù)據(jù)總線寬度:16 bit 最大時(shí)鐘頻率:24 MHz 程序存儲(chǔ)器大小:8 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:2 V to 3.6 V 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:VQFN-40 安裝風(fēng)格:SMD/SMT
MAXQ7667AACM/V+T 功能描述:16位微控制器 - MCU 16-Bit RISC MCU-Bsd Ultrasonic DMS RoHS:否 制造商:Texas Instruments 核心:RISC 處理器系列:MSP430FR572x 數(shù)據(jù)總線寬度:16 bit 最大時(shí)鐘頻率:24 MHz 程序存儲(chǔ)器大小:8 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:2 V to 3.6 V 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:VQFN-40 安裝風(fēng)格:SMD/SMT
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