M+ Plug & Play Mouse Controller
HT6513B
M+ Plug & Play Mouse Controller
Features
· Supports optomechanical mouse · In M+ mode, compatible with Plug and...
Description
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
...
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