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Evaluates: MAXQ610
Infrared (IR) Interface
The MAXQ610 microcontroller provides a dedicated IR
timer/counter module to simplify support for IR communi-
cation. The IR timer/counter implements two pins (IRTX
and IRRX) for supporting IR transmit and receive, respec-
tively. The IRTX output pin can be manipulated high or
low using the IRTXOUT bit of the power control register
(PWCN) when the IRTX function is not enabled. However,
the IRTX pin has no corresponding port pin designation,
so the standard port direction (PD), port output (PO), and
port input (PI) control status bits are not present.
The MAXQ610 EV kit board includes circuitry for both
receiving and transmitting IR signals. The IR source is
diode D1. Its anode is connected to the board’s VDD sup-
ply through an 82? resistor, and its cathode is connected
to the MAXQ610’s IRTX pin (pin 39) when jumper JH15 is
installed. The IR receiving circuitry consists of silicon PIN
Table 1. Jumper Functions
MAXQ610 Evaluation Kit
photodiode D2 and an npn bipolar transistor with biasing
resistors. The photodiode D2 is intended for IR applica-
tions in the 700nm to 1100nm range, and the transistor is
configured as a common emitter amplifier for the diode.
Its collector is connected to the processor ’s IRRX pin
(when JH16 is installed), and the emitter is connected
to the processor ’s P0.7 (TBB1, pin 10) pin when jumper
JH17 is installed. This allows the processor ’s port pin to
be used as an IR receiver-enable signal.
Serial Port Interface
The MAXQ610’s serial ports are both connected to
RS-232 level translators, and these RS-232 level signals
are connected the DB9 connectors (J1 and J2). A number
of jumpers are used to connect various serial signals to
the level translator and configure its operation. Table 1
describes these jumper functions.
JUMPER
JH1
JH2
JH3
JH4
JH5
JH14
JH15
JH16
JH17
SETTING
1-2 Closed
2-3 Closed*
Open
1-2 Closed
2-3 Closed*
Open
1-2 Closed
2-3 Closed*
Open
1-2 Closed
2-3 Closed*
Open
1-2 Closed*
2-3 Closed
Open
Open
Closed*
Open
Closed*
Open
Closed*
Open
Closed*
EFFECT
Connects pin 3 (FORCEON) of the RS-232 level translator U1 to MAXQ610 pin 28 (port pin P3.5).
Connects pin 3 (FORCEON) of the RS-232 level translator U1 to the board’s VDD.
Connects pin 3 (FORCEON) to ground.
Connects pin 4 ( FFORCEOFF ) of the RS-232 level translator U1 to MAXQ610 pin 33 (P3.6).
Connects pin 4 ( FORCEOFF ) of the RS-232 level translator U1 to the board’s VDD.
Connects pin 4 ( FORCEOFF ) to ground.
Connects pin 7 (T1IN) of the RS-232 level translator U1 to the board’s VDD.
Connects pin 7 (T1IN) of the RS-232 level translator U1 to MAXQ610 pin 5 (TX0, P0.2).
Pin 7 (T1IN) is floating.
Connects pin 8 (T2IN) of the RS-232 level translator U1 to the board’s VDD.
Connects pin 8 (T2IN) of the RS-232 level translator U1 to MAXQ610 pin 7 (TX1, P0.4).
Pin 8 (T2IN) is floating.
Connects the board’s VDD source to U2’s pin 5 (3.3V OUT).
Connects the board’s VDD source to GND.
VDD is floating.
Disconnects the MAXQ610’s pin 38 (VDD input) from the board’s VDD source.
Connects the MAXQ610’s pin 38 (VDD input) to the board’s VDD source.
Disconnects the board’s D1 LED IR emitter from the MAXQ610’s pin 39 (IRTX).
Connects the board’s D1 LED IR emitter to the MAXQ610’s pin 39 (IRTX).
Disconnects the board’s D2 LED IR receiver amplified signal from the MAXQ610’s pin 40 (IRRX).
Connects the board’s D2 LED IR receiver amplified signal to the MAXQ610’s pin 40 (IRRX).
Disconnects the IR Rx enable from the MAXQ610’s pin 10 (P0.7).
Connects the IR Rx enable to the MAXQ610’s P0.7 pin 10 (P0.7).
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相关代理商/技术参数
MAXQ610K-UEI+
制造商:Maxim Integrated Products 功能描述:MAXQ610 BLANK 44TQFP UEI - Rail/Tube
MAXQ610X-0000
功能描述:16位微控制器 - MCU RoHS:否 制造商:Texas Instruments 核心:RISC 处理器系列:MSP430FR572x 数据总线宽度:16 bit 最大时钟频率:24 MHz 程序存储器大小:8 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:2 V to 3.6 V 工作温度范围:- 40 C to + 85 C 封装 / 箱体:VQFN-40 安装风格:SMD/SMT
MAXQ610X-0000+
功能描述:MCU 16BIT W/IR MODULE BARE DIE RoHS:是 类别:集成电路 (IC) >> 嵌入式 - 微控制器， 系列:MAXQ® 产品培训模块:Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program 标准包装:260 系列:73S12xx 核心处理器:80515 芯体尺寸:8-位 速度:24MHz 连通性:I²C，智能卡，UART/USART，USB 外围设备:LED，POR，WDT 输入/输出数:9 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:2K x 8 电压 - 电源 (Vcc/Vdd):2.7 V ~ 5.5 V 数据转换器:- 振荡器型:内部 工作温度:-40°C ~ 85°C 封装/外壳:68-VFQFN 裸露焊盘 包装:管件
MAXQ610X-0001+
功能描述:MAXQ610X PROG TESTED DIE WAFFLE RoHS:是 类别:集成电路 (IC) >> 嵌入式 - 微控制器， 系列:MAXQ® 产品培训模块:Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program 标准包装:260 系列:73S12xx 核心处理器:80515 芯体尺寸:8-位 速度:24MHz 连通性:I²C，智能卡，UART/USART，USB 外围设备:LED，POR，WDT 输入/输出数:9 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:2K x 8 电压 - 电源 (Vcc/Vdd):2.7 V ~ 5.5 V 数据转换器:- 振荡器型:内部 工作温度:-40°C ~ 85°C 封装/外壳:68-VFQFN 裸露焊盘 包装:管件
MAXQ610X-2001+
功能描述:16位微控制器 - MCU
RoHS:否 制造商:Texas Instruments 核心:RISC 处理器系列:MSP430FR572x 数据总线宽度:16 bit 最大时钟频率:24 MHz 程序存储器大小:8 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:2 V to 3.6 V 工作温度范围:- 40 C to + 85 C 封装 / 箱体:VQFN-40 安装风格:SMD/SMT
MAXQ610X-2021+
制造商:Maxim Integrated Products 功能描述:16-BIT MICROCONTROLLER WITH INFRARED MODULE - Gel-pak, waffle pack, wafer, diced wafer on film
MAXQ610X-UEI+
制造商:Maxim Integrated Products 功能描述:MAXQ610 BLANK WLP UEI - Gel-pak, waffle pack, wafer, diced wafer on film
MAXQ612
制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:16-Bit Microcontrollers with Infrared Module and Optional USB