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LM8330

LM8330 I2C-Compatible Keypad Controller with GPIO, PWM, and IEC61000 ESD Protection

1FEATURES 2?KEYFEATURES –KeypadMatricesofuptoof8x12Keys, Plus8SpecialFunction(SF)Keys,fora Full104KeySupport. –SupportsGeneral-purposeI/OExpansion onPinsNotOtherwiseUsedforKeypador PWMOutput. –KeypadMatrixandDedicatedKeySupport: –16-EventKeycodeB

LM8330

具有 GPIO、PWM 和 IEC61000 ESD 保護(hù)的 I2C 兼容鍵盤控制器; ? KEY FEATURES \n? Keypad Matrices of up to of 8 x 12 Keys, Plus 8 Special Function (SF) Keys, for a Full 104 Key Support.\n? Supports General-purpose I/O Expansion on Pins Not Otherwise Used for Keypad or PWM Output.\n? Keypad Matrix and Dedicated Key Support:16-Event Keycode Buffer4-Event Multiple Key Storage Registers\n? Internal Oscillator, No External Clock Required.\n? I2C-compatible ACCESS.bus Slave Interface Standard (100 kHz) and Fast (400 kHz) Modes:7-bit and 10-bit AddressingProgrammable Slave Address(Default 7-bit 0x88, 10-bit 0x088)\n? Three Host-programmable PWM OutputsSmooth LED Brightness ModulationDedicated 31-command Script BuggerRegister-based Command Interpreter with Auto-increment Addressing\n? Key Events, Errors, and Dedicated Hardware Interrupts, Request Host Service by Asserting an IRQ Output\n? Ultra-Low-Power OperationAutomatic HALT Mode: 1.5 μA (typ.)Active Supply Current: 23 μA (typ.)Configurable Wake-Up from HALT Operation\n? IEC61000-4-2 ESD Protection on KPX[7:0] and KPY[10:0] pins\n? ESD Glitch Filter on RESETN Input\n? External Reset for System Control\n \n? HOST-CONTROLLED FEATURES \n? Reset Input for System Control\n? PWM Scripting for Three PWM Outputs\n? Period of Inactivity That Triggers Entry into HALT Mode\n? Debounce Time for Reliable Key Event Polling\n? Configuration of General Purpose I/O Ports\n? Various Initialization Options (Keypad Size, etc.)\n \n? KEY DEVICE FEATURES \n? 1.8V ±10% Single-supply Operation\n? On-chip Power-on Reset (POR)\n? ?30°C to +85°C Temperature Range\n? Robust IEC ESD Protection: ±8 kV Direct Contact on KPX[7:0] and KPY[10:0] Pins\n? 25-pin DSBGA Package Size: 2 mm x 2 mm x 0.6 mm (0.4 mm Pitch);

The LM8330 I/O - Expander and Keypad Controller is a dedicated device designed to unburden a host processor from scanning a matrix-addressed keypad and to provide flexible and general purpose, host programmable input/output functions. Three independent Pulse Width Modulation (PWM) timer outputs are provided for dynamic LED brightness modulation. It communicates with a host processor through an I2C-compatible ACCESS.bus serial interface. It can communicate in Standard (100 kHz) and Fast-Mode (400 kHz) in slave Mode only. All available input/output pins can alternately be used as an input or an output in a keypad matrix or as a host-programmable general-purpose input or output. Any pin programmed as an input can also sense hardware interrupts. The interrupt polarity (“high-to-low” or “l(fā)ow-to-high” transition) is thereby programmable. The LM8330 follows a predefined register-based set of commands. Upon startup (power-on) a configuration file must be sent from the host to set up the hardware of the device.The LM8330 is available in a 25-bump lead-free DSBGA package size 2.0 mm x 2.0 mm x 0.6 mm (0.4 mm pitch).The LM8330 has integrated ASIP (Application Specific Integrated Passives) on the KPX[7:0] and KPY[10:0] pins. These pins are designed to tolerate IEC61000-4-2 level 4 ESD: ±8 kV direct contact.

LM8330

Compatible Keypad Controller

LM8330TME/NOPB

絲印：8330；Package：DSBGA；LM8330 I2C-Compatible Keypad Controller with GPIO, PWM, and IEC61000 ESD Protection

1FEATURES 2?KEYFEATURES –KeypadMatricesofuptoof8x12Keys, Plus8SpecialFunction(SF)Keys,fora Full104KeySupport. –SupportsGeneral-purposeI/OExpansion onPinsNotOtherwiseUsedforKeypador PWMOutput. –KeypadMatrixandDedicatedKeySupport: –16-EventKeycodeB

LM8330TME/NOPB.A

絲?。?a target="_blank" title="Marking" href="/8330/marking.html">8330；Package：DSBGA；LM8330 I2C-Compatible Keypad Controller with GPIO, PWM, and IEC61000 ESD Protection

1FEATURES 2?KEYFEATURES –KeypadMatricesofuptoof8x12Keys, Plus8SpecialFunction(SF)Keys,fora Full104KeySupport. –SupportsGeneral-purposeI/OExpansion onPinsNotOtherwiseUsedforKeypador PWMOutput. –KeypadMatrixandDedicatedKeySupport: –16-EventKeycodeB

LM8330TMESLASHNOPB

絲印：8330；Package：DSBGA；LM8330 I2C-Compatible Keypad Controller with GPIO, PWM, and IEC61000 ESD Protection

1FEATURES 2?KEYFEATURES –KeypadMatricesofuptoof8x12Keys, Plus8SpecialFunction(SF)Keys,fora Full104KeySupport. –SupportsGeneral-purposeI/OExpansion onPinsNotOtherwiseUsedforKeypador PWMOutput. –KeypadMatrixandDedicatedKeySupport: –16-EventKeycodeB

LM8330TMESLASHNOPB.A

絲?。?a target="_blank" title="Marking" href="/8330/marking.html">8330；Package：DSBGA；LM8330 I2C-Compatible Keypad Controller with GPIO, PWM, and IEC61000 ESD Protection

1FEATURES 2?KEYFEATURES –KeypadMatricesofuptoof8x12Keys, Plus8SpecialFunction(SF)Keys,fora Full104KeySupport. –SupportsGeneral-purposeI/OExpansion onPinsNotOtherwiseUsedforKeypador PWMOutput. –KeypadMatrixandDedicatedKeySupport: –16-EventKeycodeB

LM8330TMX/NOPB

絲印：8330；Package：DSBGA；LM8330 I2C-Compatible Keypad Controller with GPIO, PWM, and IEC61000 ESD Protection

1FEATURES 2?KEYFEATURES –KeypadMatricesofuptoof8x12Keys, Plus8SpecialFunction(SF)Keys,fora Full104KeySupport. –SupportsGeneral-purposeI/OExpansion onPinsNotOtherwiseUsedforKeypador PWMOutput. –KeypadMatrixandDedicatedKeySupport: –16-EventKeycodeB

LM8330TMX/NOPB.A

絲印：8330；Package：DSBGA；LM8330 I2C-Compatible Keypad Controller with GPIO, PWM, and IEC61000 ESD Protection

1FEATURES 2?KEYFEATURES –KeypadMatricesofuptoof8x12Keys, Plus8SpecialFunction(SF)Keys,fora Full104KeySupport. –SupportsGeneral-purposeI/OExpansion onPinsNotOtherwiseUsedforKeypador PWMOutput. –KeypadMatrixandDedicatedKeySupport: –16-EventKeycodeB

LM8330TMXSLASHNOPB

絲?。?a target="_blank" title="Marking" href="/8330/marking.html">8330；Package：DSBGA；LM8330 I2C-Compatible Keypad Controller with GPIO, PWM, and IEC61000 ESD Protection

1FEATURES 2?KEYFEATURES –KeypadMatricesofuptoof8x12Keys, Plus8SpecialFunction(SF)Keys,fora Full104KeySupport. –SupportsGeneral-purposeI/OExpansion onPinsNotOtherwiseUsedforKeypador PWMOutput. –KeypadMatrixandDedicatedKeySupport: –16-EventKeycodeB