WT65F1 USB Keyboard Controller . WT65F1 USB Keyboard Controller (Flash Memory Type) REV. 1.10 25, May, 2000 Weltrend Semiconductor, Inc. All Rights Reserved. !"#$ %$&'%() %,-./01 . 2-./01 // 3!4,56!&&5 #9$,&:,;;;!&&5 1 &*$&+&& %,- //01. 2,- //01. 3!4,786!&&5 WT65F1 USB Keyboard Controller . GENERAL DESCRIPTION The WT65F1 is single chip Micro-controller for Universal Serial Bus (USB) keyboard applications, it includes a 8-bits 6502 CPU core, 256 bytes SRAM, 8K Bytes FLASH MEMORY, 32-36 Programmable I/O with build in pull up resistors and interrupt capability (8 with high drive capability up to 14mA), it implement an USB Keyboard (low speed at 1.5Mhz) with integrated PS/2 port for Pointing Device. FEATURES • 8-bit 6502 CPU with 3MHz operating frequency • 6MHz crystal oscillator • 256 bytes SRAM • 8K bytes FLASH MEMORY • 32-36 programmable I/O(Package Dependant) pins with interrupt capability in input mode. • Embedded USB function with three endpoints (one control Enpoint0, two Interrupt IN endpoint) • Watch-dog timer • One 8-bit programmable timer • Low VDD reset • Power on reset • USB Interface (USB Spec. Version 1.1 compliance) • CMOS technology for low power consumption • 40/42PIP package or Die Version 1.10 25-May-200Γ Preliminary Specifications. Weltrend Semiconductor, Inc. All Rights Reserved 2 WT65F1 USB Keyboard Controller . Pin out 1 GND V33 DP DM P0<0> P0<1> P0<2> P0<3> P0<4> NRST P0<5> P0<6> P0<7> P1<0> P1<1> P1<2> P1<3> P1<4> P1<5> P1<6> OSCI OSCO VDD P3<7> P3<6> P3<5> P3<4> P3<3> P3<2> P3<1> P3<0> P2<7> P2<6> P2<5> P2<4> P2<3> P2<2> P2<1> P2<0> P1<7> 40 WT65F1 P40 Version 1.10 25-May-200Γ Preliminary Specifications. Weltrend Semiconductor, Inc. All Rights Reserved 1 GND V33 DP DM P0<0> P0<1> P0<2> P0<3> P0<4> NRST P0<5> P0<6> P0<7> P1<0> P1<1> P1<2> P1<3> P1<4> P1<5> P1<6> P4<0> OSCI OSCO VDD P3<7> P3<6> P3<5> P3<4> P3<3> P3<2> P3<1> P3<0> P2<7> P2<6> P2<5> P2<4> P2<3> P2<2> P2<1> P2<0> P1<7> P4<1> 42 WT65F1 P42 3 WT65F1 USB Keyboard Controller . PIN DESCRIPTION Pin No. Pin I/O Name 40 42 Die 1 1 1 GND 2 2 2 V33 3 3 3 DP 4 4 4 DM 5 5 5 P00 P P I/O I/O I/O 6 6 6 P01 I/O 7 8 9 10 11 12 13 14 15 16 17 18 19 20 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 21 22 23 24 25 26 27 28 29 30 23 24 25 26 27 28 29 30 31 32 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 I/O I/O I/O I I/O I/O I/O I/O I/O I/O I/O I/O I/O I/O I/O I/O I/O I/O I/O I/O I/O I/O I/O I/O I/O I/O I/O I/O P02 P03 P04 NRST P05 P06 P07 P10 P11 P12 P13 P14 P15 P16 P40 P41 P42 P43 P17 P20 P21 P22 P23 P24 P25 P26 P27 P30 31 33 35 P31 I/O Description Ground. 3.3V Power output USB D+ signal. USB D- signal General Purpose I/O with programmable pull up resistor and programmable Interrupt Capability at Input falling edge General Purpose I/O with programmable pull up resistor and programmable Interrupt Capability at Input falling edge General Purpose I/O with programmable Interrupt Capability at Input falling edge General Purpose I/O with programmable Interrupt Capability at Input falling edge General Purpose I/O with programmable Interrupt Capability at Input falling edge Power on Reset input General Purpose I/O with programmable Interrupt Capability at Input falling edge General Purpose I/O with programmable Interrupt Capability at Input falling edge General Purpose I/O with programmable Interrupt Capability at Input falling edge General Purpose I/O with programmable Interrupt Capability at Input falling edge General Purpose I/O with programmable Interrupt Capability at Input falling edge General Purpose I/O with programmable Interrupt Capability at Input falling edge General Purpose I/O with programmable Interrupt Capability at Input falling edge General Purpose I/O with programmable Interrupt Capability at Input falling edge General Purpose I/O with programmable Interrupt Capability at Input falling edge General Purpose I/O with programmable Interrupt Capability at Input falling edge General Purpose I/O with programmable Interrupt Capability at Input falling edge General Purpose I/O with programmable Interrupt Capability at Input falling edge General Purpose I/O with programmable Interrupt Capability at Input falling edge General Purpose I/O with programmable Interrupt Capability at Input falling edge General Purpose I/O with programmable Interrupt Capability at Input falling edge General Purpose I/O with programmable Interrupt Capability at Input falling edge General Purpose I/O with programmable Interrupt Capability at Input falling edge General Purpose I/O with programmable Interrupt Capability at Input falling edge General Purpose I/O with programmable Interrupt Capability at Input falling edge General Purpose I/O with programmable Interrupt Capability at Input falling edge General Purpose I/O with programmable Interrupt Capability at Input falling edge General Purpose I/O with programmable Interrupt Capability at Input falling edge General Purpose I/O with programmable Interrupt Capability at Input falling edge General Purpose I/O with programmable Interrupt Capability at Input falling edge. High current drive with typical current sink capability of 14mA. General Purpose I/O with programmable Interrupt Capability at Input falling edge. High current drive with typical current sink capability of 14mA. Version 1.10 25-May-200Γ Preliminary Specifications. Weltrend Semiconductor, Inc. All Rights Reserved 4 WT65F1 USB Keyboard Controller . I/O General Purpose I/O with programmable Interrupt Capability at Input falling edge. High current drive with typical current sink capability of 14mA. I/O General Purpose I/O with programmable Interrupt Capability at Input falling edge. 37 P33 High current drive with typical current sink capability of 14mA. I/O General Purpose I/O with programmable Interrupt Capability at Input falling edge. 38 P34 High current drive with typical current sink capability of 14mA. I/O General Purpose I/O with programmable Interrupt Capability at Input falling edge. 39 P35 High current drive with typical current sink capability of 14mA. I/O General Purpose I/O with programmable Interrupt Capability at Input falling edge. 40 P36 High current drive with typical current sink capability of 14mA. I/O General Purpose I/O with programmable Interrupt Capability at Input falling edge. 41 P37 High current drive with typical current sink capability of 14mA. P +5V power supply. 42 VDD 43 OSCO O 6MHz oscillator output. I 6MHz oscillator input. 44 OSCI 32 34 36 P32 33 35 34 36 35 37 36 38 37 39 38 40 39 41 40 42 Version 1.10 25-May-200Γ Preliminary Specifications. Weltrend Semiconductor, Inc. All Rights Reserved 5