tmp89fm42a TOSHIBA Semiconductor CORPORATION, tmp89fm42a Datasheet - Page 381

• Manufacturer Part Number: tmp89fm42a
• Description: 8 Bit Microcontroller
• Manufacturer: TOSHIBA Semiconductor CORPORATION

22.8
Operation Commands
RA003
Table 22-11 Transfer Formats of the Flash Memory SUM Output Command
22.8.5
BOOT
ROM
Note 1: "0x** × 3" means that the device goes into an idle state after transmitting 3 bytes of 0x**. For further information, refer to
Note 2: For information on checksums, refer to "22.10 Checksum (SUM)".
Note 3: If data to be included in the checksum are all 0xFF, the 7th byte becomes 0xAA. If any one piece of data to be included
1st byte
2nd byte
3rd byte
4th byte
5th byte
6th byte
7th byte
8th byte
9th byte
10th byte
Transfer byte
Table 22-11 shows the transfer formats of the flash memory SUM output command.
Flash memory SUM output command (operation command: 0x90)
Table 22-18.
in the checksum is other than 0xFF, the 7th byte becomes 0x55.
Matching data 1 (0x86 or 0x30)
-
Matching data 2 (0x79 or 0xCF)
-
Operation command data (0x90)
-
-
-
-
(Wait for the next operation command data)
Transfer data from the external controller to
TMP89FM42A
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Automatic adjustment
Baud rate after adjustment
Baud rate after adjustment
Baud rate after adjustment
Baud rate after adjustment
Baud rate after adjustment
Baud rate after adjustment
Baud rate after adjustment
Baud rate after adjustment
Baud rate after adjustment
Baud rate
Transfer data from TMP89FM42A to the ex-
- (Automatic baud rate adjustment)
OK: Echo back data (0x86 or 0x30)
Error: No data transmitted
-
OK: Echo back data (0x79 or 0xCF)
Error: No data transmitted
-
OK: No data transmitted (0x90)
Error: 0xA1 × 3, 0xA3 × 3, 0x63 × 3 (note 1)
0x55 : -
0xAA: All data are 0xFF.
OK: Checksum (high) (note 2)
Error: No data transmitted
OK: Checksum (low) (note 2)
Error: No data transmitted
-
ternal controller
TMP89FM42A