AR1100-I MICROCHIP [Microchip Technology], AR1100-I Datasheet - Page 36

• Manufacturer Part Number: AR1100-I
• Description: AR1100 Resistive USB and RS-232 Touch Screen Controller
• Manufacturer: MICROCHIP [Microchip Technology]

8.7
The FLUSH command is required to write/flush any
data remaining in the internal cache at the end of a boot
load session.
COMMAND PACKET:
TABLE 8-12:
RESPONSE PACKET:
TABLE 8-13:
DS41606B-page 36
BYTE#
BYTE#
1
2
3
1
2
3
4
Command: FLUSH
STATUS
VALUE
VALUE
0xF4
0xF4
0x55
0x01
0x55
2
COMMAND: FLUSH
RESPONSE: FLUSH
SYNC
SIZE
COMMAND
SYNC
SIZE
STATUS
COMMAND
DESCRIPTION
DESCRIPTION
8.8
The WRITE_MODE command is used to change the
operational mode of the bootloader. The four modes
are described in
COMMAND PACKET:
TABLE 8-14:
RESPONSE PACKET:
TABLE 8-15:
The boot load “MODE CODE” (referenced above) is a
1-byte value saved in nonvolatile memory to indicate
boot status.
TABLE 8-16:
BYTE#
Value
0x00 Normal mode (application)
0x01 Programming/Flashing ‘upper’ application
0x02 Programming/Flashing ‘lower’ application
0x03 Programming/Flashing temporary ‘boot’
BYTE#
1
2
3
4
5
6
7
1
2
3
4
module
Command: WRITE_MODE
STATUS
VALUE
VALUE
0x55
0x05
0xF5
0x55
0xF5
n/a
n/a
n/a
Table
M
2
RESPONSE: WRITE_MODE
WRITE_MODE CODES
COMMAND: WRITE_MODE
8-16.
 2011 Microchip Technology Inc.
Description
SYNC
SIZE
STATUS
COMMAND
SYNC
SIZE
COMMAND
1_Byte mode Code
DESCRIPTION
DESCRIPTION