Part Number: KB3920
Function: Keyboard Controller
Package: 144-LQFP Type
Manufacturer: ENE Technology
Pinouts:
Description
This is Keyboard Controller.
Features
1. Low Pin Count Host Interface (LPC)
2. SIRQ supporting IRQ1, IRQ12, SCI or SMI# interrupt
3. I/O Address Decoding:
4. KBC IO Port 60h/64h
5. Programmable EC IO Port 62h/66h
6. Programmable 4-byte Index I/O ports to access internal registers
7. One Programmable I/O write byte-address decoding (for example, it can be used to decode Port_80h)
Analog To Digital Converter (ADC)
1.Four built-in ADCs with 8-bit resolution
2. The ADC pins can be alternatively configured as General Purpose Inputs (GPIs)
Pulse Width Modulator (PWM)
1. Four built-in PWMs (2 are FANPWM)
2. Selectable clock sources: 1MHz/64KHz/4KHz/256Hz
3. Configurable cycle time (up to 1 sec) and duty cycle
Spec
1. Chip Dimension : 20 x 20 mm2
2. Microprocessor : 8051
3. Built-in SRAM : 2048 + 128 bytes
4. Flash Memory Range : 1M bytes(ISA), 2M bytes (SPI)
– KB3910 176-pin LQFP / KB3920 144-pin LQFP
Other data sheets are available within the file: KB3910
KB3920 Datasheet PDF Download
KB3700 Datasheet PDF Download
