tmp89fm42 TOSHIBA Semiconductor CORPORATION, tmp89fm42 Datasheet - Page 364

• Manufacturer Part Number: tmp89fm42
• Description: 8 Bit Microcontroller
• Manufacturer: TOSHIBA Semiconductor CORPORATION

22.8 Operation Commands
22. Serial PROM Mode
RA002
Table 22-16 Command to Change the Mask ROM Emulation Setting
22.8.8 Mask ROM emulation setting command (0xD0)
BOOT
ROM
Note 1: "xxH u 3" means that the device goes into an idle state after transmitting 3 bytes of xxH.
1st byte
2nd byte
3rd byte
4th byte
5th byte
6th byte
7th byte
8th byte
9th byte
transfer bytes
memory of more than 96Kbytes.
Number of
Table 22-16 shows the mask ROM emulation setting command.
This command is nonfunctional in the TMP89FM42. It becomes functional if used for a product with flash
Matching data 1 (0x86 or 0x30)
-
Matching data 2 (0x79 or 0xCF)
-
Operation command data (0xD0)
-
Set value
(Wait for the next operation command data)
Transfer data from the external controller to
TMP89FM42
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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
-(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: Echo back data (0xD0)
Error: 0xA1 u 3, 0xA3 u 3, 0x63 u 3 (note 1)
-
OK: Echo back data (0xD1)
Error: No data transmitted
-
Transfer data from TMP89FM42 to the
external controller
TMP89FM42