HT6523 Holtek Semiconductor Inc., HT6523 Datasheet
HT6523
Related parts for HT6523
HT6523 Summary of contents
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... Compatible with IBM PS/2 mouse · Integrated oscillator circuit with external resistor · 6MHz clock frequency · Minimal external components General Description The HT6523 is a PS/2 compatible mouse controller IC. Capable of driving key-switches and 4 Pin Assignment Pin Description Pin No. Pin Name I connection ¾ ...
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... V =0. =0. =2. =4.5V -1 ¾ ¾ ¾ ¾ ¾ ¾ 2 HT6523 Typ. Max. Unit 5.25 V ¾ ¾ 0.9 ¾ V 1.5 ¾ 3 ¾ ¾ 0.7 ¾ V 1.3 ¾ 3 ¾ ¾ 1 ¾ ¾ 3 ¾ ¾ ...
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... DATA is high, then clocks the line control bit and request a resend. For host commands and data trans- mission that requires a response, the host waits for the mouse to respond before sending its next output. 3 HT6523 Max. Unit 6.6 MHz 6.6 MHz ¾ ...
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... Hex Code Command FF Reset FE Resend F6 Set default F5 Disable F4 Enable F3 Set sampling rate F2 Read device type F0 Set remote mode EE Set wrap mode EC Reset wrap mode EB Read data EA Set stream mode E9 Status request E8 Set resolution E7 Set scaling 2:1 E6 Reset scaling Description 4 March 6, 2003 HT6523 ...
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... Left button pressed 1 Reserved for middle button Right button pressed Resolution (Counts per mm) 200 DPI 320 DPI Input Output (³6) 2.0 ´ HT6523 400 DPI March 6, 2003 ...
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... Maximum time to MOUSE inhibit after clock 11 to ensure MOUSE does not start another trans- T6 mission Data Input T7 Duration of CLK low T8 Duration of CLK high T9 Time from low to high CLK transition to time when MOUSE samples DATA line Rev. 1.20 Timing Parameter Timing Parameter 6 HT6523 Min/Max 5/25ms 5/T4-5ms 30/50ms 30/50ms > 0ms < 50ms Min/Max 30/50ms 30/50ms 5/25ms March 6, 2003 ...
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... Application Circuits W Rev. 1. HT6523 March 6, 2003 ...
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... DIP (300mil) Outline Dimensions Symbol Min. A 745 B 240 C 125 D 125 ¾ H 295 I 335 a 0° Rev. 1.20 a Dimensions in mil Nom. Max. 775 ¾ 260 ¾ 135 ¾ 145 ¾ 20 ¾ 70 ¾ 100 ¾ 315 ¾ 375 ¾ ¾ 15° 8 March 6, 2003 HT6523 ...
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... Holtek¢s products are not authorized for use as critical components in life support devices or systems. 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. Rev. 1.20 9 March 6, 2003 HT6523 ...