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HT6513B

Holtek Semiconductor
Part Number HT6513B
Manufacturer Holtek Semiconductor
Description M+ Plug & Play Mouse Controller
Published Jun 25, 2016
Detailed Description HT6513B M+ Plug & Play Mouse Controller Features · Supports optomechanical mouse · In M+ mode, compatible with Plug and...
Datasheet PDF File HT6513B PDF File

HT6513B
HT6513B


Overview
HT6513B M+ Plug & Play Mouse Controller Features · Supports optomechanical mouse · In M+ mode, compatible with Plug and Play · Fit a defined Windows 95 class name in M+ mode · Uses 32.
768kHZ crystal · Crystal oscillator circuits on chip · 1200/9600 baud rate serial output · Power directly from RS-232C without external power supply General Description The HT6513B is specially designed for PnP compatible mouse controller.
Capable of driving up to 3 key-switches and 4 photo-couplers (optomechanical mouse) directly into a standard Block Diagram · Three key-switches and four photo-coupler inputs · Compatible with both M+ and Mouse systems · Microsoft system mode with middle key supported · Mouse mode (M+/PC) changeable during power on reset · RXD with heavy NMOS open drain output RS-232C line, and it can be operated without an external power supply.
It is compatible with both M+ and Mouse systems with false entries being prevented by internal debounce circuits.
X1 X2 Y1 Y2 TEST L M R MS O SCI O SCO C o m p a ra to r a n d M o tio n D e te c to r D ebounce O s c illa to r C ir c u it M o d e S e le c to r T im in g C o n tro l H B _LB P lu g & P la y ID C o n v e rte r D a ta C om m and D ecoder R TS D a ta O u tp u t RXD 1 February 1, 2000 HT6513B Pin Assignment H B _LB TEST MS O SCI O SCO R TS RXD VSS 1 16 2 15 3 14 4 13 5 12 6 11 7 10 89 H T6513B 1 6 D IP VDD Y2 Y1 X2 X1 L M R Pad Description Pad No.
Pad Name 1 HB_LB 2 TEST 3 MS 4 5 6 7 8 9~11 OSCI OSCO RTS RXD VSS R M L 12~15 16 X1 X2 Y1 Y2 VDD I/O Description If this pin is connected to high level, the RXD can transmit data at I 9600 baud rate.
The RXD is transmitted at 1200 baud rate while it is conected to low level or floating.
I For IC test only.
The test pin must be connected to VSS, while the chip is under normal usage.
When this pin is connected to VDD , operation is under M+ mode.
If I the pin is connected to VSS, then it will operate under the mouse system mode.
If MS pin is ²fl...


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