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TMU3100
USB Controller
1
tenx technology, inc.
Rev 1.4 2004/03/01
GENERAL DESCRIPTION
The TMU3100 is an 8-bit microprocessor embedded device tailored to the USB/PS2 Keyboard application. It
includes an 8-bit RISC CPU core, 192-byte SRAM, Low Speed USB Interface and an 8K x 14 internal
program OTP-ROM.
FEATURE
Compliance with the Universal Serial Bus specification v1.1
Built-in USB Transceiver and 3.3V regulator
Support USB Suspend and Resume function
One Control IN/OUT and two Interrupt IN endpoints
PS2 compatible keyboard interface share with USB interface
192 byte internal SRAM
8K x 14 internal program OTP-ROM
8-bit RISC CPU core with only 36 instruction
3MHz instruction rate with 6MHz crystal oscillation
40/48 pin package
BLOCK DIAGRAM
USB
Transceiver
USB
SIE
USB
Controller
8-bit RISC
CPU
192 Bytes
SRAM
Keyboard
Interface
8K x 14
Program OTP
ROM
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