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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(yè)數(shù)： | 6/8頁(yè) |
| 文件大小： | 75K |
| 代理商： | LC19001A010 |
Digitizer Controller Provisional Specifications
*Initial values
No. 5560-6/8
LC19001A010
Parameter
Function
Description
Coordinate calculation method
Source data mode
A/D converted data is sent to the host CPU.
(Normalized data mode)*
Normalized data is sent to the host CPU.
Interface
Serial communications
Asynchronous serial communications
Communication rates (transfer rates)
1200, 2400, 4800,
External switches are used to set the initial communication rate. See the “External
9600, 19200 (bps)
Switch Settings” charts. However, the LC19001A010 does not support 19200-bps
communication at 8 MHz. The rate can be changed by command.
Communication format
Data length: 8 bits
External switches are used to set the initial communication format. See the
Parity: none, even, odd
“External Switch Settings” charts.
Stop bits: 1 or 2
Output rate (sampling rate)
Can be set to an arbitrary
10 MHz: Maximum normalized data rate: 150 p/s
value.
Maximum source data rate: 190 p/s
Initial value
(When the baud rate is 19200)
10 MHz: 100 P/S
8 MHz: Maximum normalized data rate: 120 p/s
8 MHz: 80 P/S
Maximum source data rate: 150 p/s
(When the baud rate is 9600)
Note: The above values apply when no menu area is registered.
Coordinate data format
4-byte binary
See the “Coordinate Data Format” charts.
Data output mode
Point
When the pen is down, coordinate values are output one point at a time.
(Stream)*
While the pen remains down, coordinate values are output continuously.
Power dissipation (chip)
Low power functions
Events that recover from
sleep mode:
Pen down, reset, command
reception
Events that recover from
stop mode:
Pen down, reset, stop clear
command
Methods for switching modes:
There are two types of command that are used to switch to the low power modes
as follows:
Direct
Direct: The LC19001A010 switches to the low power mode after the command is
accepted.
Auto
Auto: After the last coordinate input, if there is no input for a preset time, the
LC19001A010 switches to the low power mode.
Transition times
Transition from normal mode to low power mode: about 5 s
Transition from low power mode to normal mode:
Sleep mode: about 5 s
Stop mode: The oscillator stabilization period plus 5 s
Drive voltage
3.3 to 6 V
An 8 MHz clock frequency must be used when the drive voltage is 3.3 V.
Clock frequency
8 MHz, 10 MHz
Package
LQFP80 (SQFP80)
Chip size (mm)
14
× 14 × 1.5
A/D converter resolution
10-bit
Linearity error: ±2 LSB (5 V, 10 MHz operation)
Linearity error: ±2 LSB (3.3 V, 8 MHz operation)
5-V drive
140 mW (MAX)
At a 10-MHz operating frequency, with the pen down
3.3-V drive
52.8 mW (MAX)
At an 8-MHz operating frequency, with the pen down
Chip power dissipation
Sleep mode
Stop mode
Operating frequency
5-V drive
35 mW (MAX)
5 W (MAX)
10 MHz
3.3-V drive
4.95 mW (MAX)
3.3 W (MAX)
8 MHz
Sleep: CPU operation is stopped, but all other circuits operate.
Stop: The oscillator circuit is stopped.
Continued on next page.
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