HT82M980A win2000 3d usb+ps2 mouse block diagram 1 january 2, 2001 features compatible with microsoft windows 2000 and 5-button wheel mouse complete universal serial bus specs v1.0 compatibility serial bus interface engine (sie) usb transceiver microsoft 3d intelli mouse and ibm ps/2 mouse compatible supports five buttons and three axes input z axis can support two kinds of scroller in - put (optomechanical and mechanical) single chip solution especially for usb mouse function halt function and wake-up feature reduce power consumption plug and play functions minimal external components 6mhz crystal oscillator for system clock 20-pin dip package general description HT82M980A is a plug and play windows 2000 and 5-button 3d usb+ps/2 mouse controller. the HT82M980A can support the usb stan - dard request as well as hid class request ver - sion 1.0 draft 4. it is compatible with microsoft intelli 3d ps/2 mouse. the x/y axis photo input with built-in holtek s special dynamic photo-input resistor and z axis can support two kinds of scroller input, namely; mechanical and optomechanical. it requires minimal external components to implement 3d usb plus ps/2 mouse. all its features combined and make up this versatile holtek 8-bit c with an on-chip usb interface logic. the usb is specified by the universal serial bus specification v1.0.
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pin assignment pin description pin no. pin name i/o description usb interface (2 pins) 3 usbd+/clk i/o usb data plus or ps2 clock, f/w auto-detect usbd+ for usb, clk for ps2 4 usbd data i/o usb data minus or ps2 data, f/w auto-detect usb for usb, data for ps2 general purpose i/o (11 pins) 6, 7 x1, x2 i x-axis photo input with built-in holtek s special dynamic photo input resistor 8, 9 y1, y2 i y-axis photo input with built-in holtek s special dynamic photo input resistor 12, 13 z1, z2 i z-axis input supports two kinds of scroller input; optomechanical and mechanical 10, 11, 14 15, 16 l, r, m, b4, b5 i input ports with pull-high resistor. these pads can function as left, right, middle, b4 and b5 button input lines. miscellaneous (7 pins) 1 vss negative power supply, ground 2 v33o o 3.3v voltage output 5 reset i chip reset input, low active 17 led i/o drives led output 18 vdd 5v positive power supply 19 osc2 o 6mhz osc output 20 osc1 i 6mhz osc input HT82M980A 2 january 2, 2001 ,,( *+."/ * .* 0 0
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absolute maximum ratings supply voltage................................. 0.3v to 6v storage temperature................. 50 cto125 c c input voltage ...........v ss 0.3v to v dd +0.3v operating temperature .............. 25 cto70 c usb input voltage .......v ss 0.3v to v 33o +0.3v note: these are stress ratings only. stresses exceeding the range specified under absolute maxi - mum ratings may cause substantial damage to the device. functional operation of this device at other conditions beyond those listed in the specification is not implied and prolonged expo - sure to extreme conditions may affect device reliability. d.c. characteristics ta=25 c symbol parameter test conditions min. typ. max. unit v dd conditions v dd operating voltage 4.5 5.5 v i dd operating current (crystal osc) 5v no load, f sys =6mhz usb mode 10 ma ps/2 mode 3 ma i sus usb suspend mode 5v no load, system halt 250 a v il1 input low voltage (x1, x2, y1, y2, z1, z2, l, m, r, b4, b5) 5v 0 1.0 v v ih1 input high voltage (x1, x2, y1, y2, z1, z2, l, m, r, b4, b5) 5v 3.5 5v v il2 input low voltage (reset ) 5v 0 1.5 v v ih2 input high voltage (reset ) 5v 3.5 5v v por built-in power on reset v dd detection voltage 5v 3.7 v i ol sink current (led) 5v v ol =0.8v 50 ma a.c. characteristics ta=25 c symbol parameter test conditions min. typ. max. unit v dd conditions f sys system clock (crystal osc) 5v 0 6000 khz note: t sys =1/f sys HT82M980A 3 january 2, 2001
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HT82M980A 5 january 2, 2001 copyright 2001 by holtek semiconductor inc. the information appearing in this data sheet is believed to be accurate at the time of publication. however, holtek assumes no responsibility arising from the use of the specifications described. the applications mentioned herein are used solely for the purpose of illustration and holtek makes no warranty or representation that such applications will be suitable without further modification, nor recommends the use of its products for application that may pres - ent a risk to human life due to malfunction or otherwise. holtek reserves the right to alter its products without prior notification. for the most up-to-date information, please visit our web site at http://www.holtek.com.tw. holtek semiconductor inc. (headquarters) no.3 creation rd. ii, science-based industrial park, hsinchu, taiwan, r.o.c. tel: 886-3-563-1999 fax: 886-3-563-1189 holtek semiconductor inc. (taipei office) 11f, no.576, sec.7 chung hsiao e. rd., taipei, taiwan, r.o.c. tel: 886-2-2782-9635 fax: 886-2-2782-9636 fax: 886-2-2782-7128 (international sales hotline) holtek semiconductor (hong kong) ltd. rm.711, tower 2, cheung sha wan plaza, 833 cheung sha wan rd., kowloon, hong kong tel: 852-2-745-8288 fax: 852-2-742-8657 holmate technology corp. 48531 warm spring boulevard, suite 413, fremont, ca 94539 tel: 510-252-9880 fax: 510-252-9885 laipac technology inc. 105 west beaver greek rd., unit 207 richmond hill ontario, l4b 1c6 canada tel: 1-905-762-1228 fax: 1-905-770-6143
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