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參數(shù)資料
| 型號(hào)： | LC19001A010 |
| 元件分類： | 消費(fèi)家電 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP80 |
| 封裝： | LQFP-80 |
| 文件頁數(shù)： | 7/8頁 |
| 文件大?。?/td> | 75K |
| 代理商： | LC19001A010 |
No. 5560-7/8
LC19001A010
Continued from preceding page.
Parameter
Function
Description
Reset
Hardware reset
There are four types of reset: hardware reset, software reset, power on reset, and
Software reset
watchdog reset.
Power on reset
Operation starts after the oscillator stabilization period has elapsed when stop
mode is cleared and after a power on reset.
Watchdog reset
A reset function operates automatically if the application software fails.
Status diagnostic function
Control setting state
Sends the controller’s current state of the settings to the host CPU.
verification
Information sent includes the coordinate calculation method, the data output
mode, and the output rate.
Interface diagnostic function
Interface verification
Uses arbitrary data to verify whether communication between the controller and
the host CPU is functioning normally.
Menu area function
Menu area registration
A menu area can be registered at an arbitrary location.
Up to 24 menu items can be registered.
Reference value setup function
Matching positions
Accepts A/D values and reference coordinate values from the host CPU for use in
normalizing the A/D converted data and in matching positions.
Duplicate coordinate processing
Duplicate coordinates are not
Compares the coordinate values transferred in the previous operation with the
function
transmitted
current coordinate data and if the coordinate values are the same (i.e., if they are
duplicate coordinate values) the LC19001A010 does not send the current
coordinate data. (Only valid in stream mode)
Timeout function
Sets the timeout time
If the required data was not received within the preset timeout time, the controller
sends F3h to the host CPU.
Noise exclusion function
Sets the parameters used to
Normally set to be about 10% of the number of pixels. (only valid in normalized
reduce noise levels
mode)
Initial values: X = 64, Y = 48
Lock function
Starts and clears the lock
If a lock command is issued, after transmitting the coordinate data currently being
function
transmitted, the controller halts transmission.
The lock state is cleared by sending a lock clear command.
Coordinate Data Output Format: 4-byte structure
Ph
0
P
X3
X2
X1
X0
0
X9
X8
X7
X6
X5
X4
0
Y3
Y2
Y1
Y0
0
Y9
Y8
Y7
Y6
Y5
Y4
bit
7
6
5
4
3
2
1
0
First byte
Second byte
Third byte
Fourth byte
Ph:
Phase bit, always set to 1.
0:
Zero bits, always cleared to 0.
X0 to X9: Horizontal axis value (X) as a binary value (X9 is the high-order bit)
Y0 to Y9: Vertical axis value (Y) as a binary value (Y9 is the high-order bit)
P:
Pen status (pen down = 1, pen up = 0)
– When the pen is in the up state, the LC19001A010 sends a single byte with the value 80 h.
Menu Area Number Output Format: 1-byte structure
Ph
1
0
M4
M3
M2
M1
M0
bit
7
6
5
4
3
2
1
0
First byte
Ph:
Phase bit, always set to 1.
1:
One bit, always set to 1.
0:
Zero bit, always cleared to 0.
M0 to M4: Menu number M (range: 1 to 24) as a binary value (M4 is the high-order bit)
– When the pen is in the up state, the LC19001A010 sends a single byte with the value 80 h.
Note : Coordinate data and menu area data can be differentiated by inspecting bit 6. (See the data format descriptions above.)
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