AR1100 Datasheet, PDF (24/58 Pages) Microchip Technology – AR1100 Resistive USB and RS-232 Touch Screen Controller

AR1100 RESISTIVE USB AND RS-232 TOUCH SCREEN CONTROLLER
5.9 Command: EE_READ_PARAMS
Read entire set of operational parameters from
EEPROM to RAM.
COMMAND PACKET:
TABLE 5-17: COMMAND: EE_READ_PARAMS
BYTE# VALUE
DESCRIPTION
1
0x55 SYNC
2
0x01 SIZE
3
0x23 COMMAND
RESPONSE PACKET:
TABLE 5-18: RESPONSE:
EE_READ_PARAMS
BYTE# VALUE
DESCRIPTION
1
0x55 SYNC
2
2
SIZE
3
STATUS STATUS
4
0x23 COMMAND
5.10 Command: EE_WRITE_PARAMS
Write entire set of operational parameters to EEPROM
from RAM.
COMMAND PACKET:
TABLE 5-19: COMMAND:
EE_WRITE_PARAMS
BYTE# VALUE
DESCRIPTION
1
0x55 SYNC
2
0x01 SIZE
3
0x2B COMMAND
RESPONSE PACKET:
TABLE 5-20: RESPONSE:
EE_WRITE_PARAMS
BYTE# VALUE
DESCRIPTION
1
0x55 SYNC
2
2
SIZE
3
STATUS STATUS
4
0x2B COMMAND
5.11 Command: USB_MODE_GENERIC
Set default USB mode (device type) to
“HID-GENERIC”. Mode HID-GENERIC is required for
low-level configuration commands, calibration and boot
load operations. No RESPONSE packet is returned.
COMMAND PACKET:
TABLE 5-21: COMMAND:
USB_MODE_GENERIC
BYTE# VALUE
DESCRIPTION
1
0x55 SYNC
2
0x01 SIZE
3
0x70 COMMAND
RESPONSE PACKET:
None.
5.12 Command: USB_MODE_MOUSE
Set default USB mode (device type) to ‘HID-MOUSE’.
COMMAND PACKET:
TABLE 5-22: COMMAND: USB_MODE_MOUSE
BYTE# VALUE
DESCRIPTION
1
0x55 SYNC
2
0x01 SIZE
3
0x71 COMMAND
RESPONSE PACKET:
None.
5.13 Command: USB_MODE_DIGITIZER
Set default USB mode (device type) to ‘HID-DIGI-
TIZER’.
COMMAND PACKET:
TABLE 5-23: COMMAND:
USB_MODE_DIGITIZER
BYTE# VALUE
DESCRIPTION
1
0x55 SYNC
2
0x01 SIZE
3
0x72 COMMAND
RESPONSE PACKET:
None.
DS41606B-page 24
 2011 Microchip Technology Inc.