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    raybet雷电竞首页微控制器类芯片8位触摸单片机OB39R32T2

    OB39R32T2


    Product List

    OB39R32T2W32VP

    OB39R32T2W28SP

    OB39R32T2W24SP

    OB39R32T2W24GP

    OB39R32T2W20SP

    Description

    TheOB39R32T2isa 1T (one machine cycle per clock) single-chip 8-bit microcontroller. It has 32KB+8KB embedded Flash for program, and executes all ASM51 instructions fully compatible with MCS-51.

    OB39R32T2 contains 1152B+256B on-chip RAM, various serial interfaces and many peripheral functions as described below. It can be programmed via writers. Its on-chip ICE is convenient for users in verification during development stage.

    The high performance of OB39R32T2 can achieve complicated manipulation within short time. About one third of the instructions are pure 1T, and the average speed is 8 times of traditional 8051, the fastest one among all the 1T 51-series.Its excellent EMI and ESD characteristics are advantageous for many different applications.

    Ordering Information

    OB39R32T2ihhkLYWW

    i: process identifier {W=2.2V ~ 5.5V}

    hh: pin count

    k: package type postfix {as table below }

    L:PB Free identifier

    {No text is Non-PB free，”P” is PB free}

    Y:Year Code

    WW:Week Code (01-52)

    Postfix

    Package

    S

    SOP (300 mil)

    V

    LQFP

    G

    SSOP (150 mil)

    Features

    l32KB+8KBon-chip program memory.

    lWorking voltage 2.2V~5.5V.

    lHigh speed architecture of 1 clock/machine cycle runs up to 22.1184MHz.

    l1~8T can be switched on the fly.

    l256 bytes RAM as standard 8052, plus 1152 bytes on-chip expandable RAM

    lPort 0~3,Up to 30 GPIO

    lDual 16-bit Data Pointers (DPTR0 & DPTR1).

    lTwo serial peripheral interfaces in full duplex mode

    (UART0 & UART1)

    lUp to 24 touch sense inputs, support multiplexing I/O function.

    lLower power touch-key wakeup function.

    lFour 16-bit Timer/Counters. (Timer 0,1,2,3)

    lProgrammable watchdog reset and interrupt timer.

    lTwo IIC interface. (Master/Slave mode).

    l4-channel 16-bit compare / capture functions.

    l4-channel PWM.

    lISP/IAP/ICP functions.

    lOn-Chip in-circuit emulator (ICE) functions with On-Chip Debugger (OCD).

    lLVI/LVR (LVR deglitch 500ns).

    POR and Programmable LVR(2.7V / 1.55V) &LVI(4.0V / 3.3V / 2.8V / 1.8V)

    l10-channel 12-bit ADC.

    lExternal interrupt 0, 1, 2, 3 with four priority levels.(INT x 4)

    lKeyboard Interface (KBI x 8) on port 1 for eight more interrupts.

    lLED driver: COM x7, Segment x 16.

    lSoftware RTC

    lEnhance user code protection.

    lPower management unit for IDLE and power down modes.

    lClock Source:

    -32.768KHz XTAL input to timer, allow running on power down mode with wakeup function .

    -HIRC: 22.1184MHz Internal RC-oscillator, with programmable clock divider. Factory trimmed to 2% at full temperature range

    -LIRC: 26KHz



    Pin Configuration

    32 Pin LQFP

    28 Pin SOP

    24 Pin SOP/SSOP

    T2PIN24.png


    20 Pin SOP

    T2Pin20.png

    Notes：

    1. To avoid accidentally entering ISP-Mode(refer to section 19.4), care must be taken not asserting pulse signal at RXD0 P2.0 & RXD1 P1.1 during power-up while P0.2, P0.3 or P0.4 are set to high.

    2. To apply ICP function, OCI_SDA/P2.1 and OCI_SCL/P2.0 are ICP pins during reset period. When reset finish, they are GPIO.

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