tmp89fm42 TOSHIBA Semiconductor CORPORATION, tmp89fm42 Datasheet - Page 355

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

RA002
Table 22-9 Transfer Formats of the Flash Memory Read Command
BOOT
ROM
Note 1: "0x** u 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)". For information on passwords, refer to "22.12.1 Pass-
Note 3: If the area 0xFFE0 through 0xFFFF is all 0xFF, password authentication is not performed and, therefore, the password
Note 4: If the security program is enabled in flash memory or if a password error occurs, the TMP89FM42 stops communication,
Note 5: If a communication error occurs during the transfer of a password address or a password string, the TMP89FM42 stops
Note 6: If the number of bytes received at the m-th + 7 byte, m-th + 9 byte or m-th + 11 byte is more than 0x000000 or the size of
m-th + 13 byte
n-th - 2 byte
n-th - 1 byte
n-th byte
n-th + 1 byte
Transfer byte
:
Table 22-18.
words".
string need not be transmitted. The password count storage address and password comparison start address, however,
must be specified, even for a blank product. If the password count storage address and/or password comparison start
address are/is incorrect, a password error occurs; the TMP89FM42 stops communication and goes into an idle state.
Therefore, if a password error occurs, initialize the TMP89FM42 by using the
mode.
and goes into an idle state. Therefore, if a password error occurs, initialize the TMP89FM42 by using the
restart the serial PROM mode.
communication and goes into an idle state. Therefore, when a password error occurs, initialize the TMP89FM42 by using
the
internal memory, the TMP89FM42 stops communication and goes into an idle state.
RESET
-
-
(Wait for the next operation command data)
pin, and restart the serial PROM mode.
Transfer data from the external controller to
TMP89FM42
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Baud rate after adjustment
Baud rate after adjustment
Baud rate after adjustment
Baud rate after adjustment
Baud rate after adjustment
Baud rate
RESET
Memory data
Memory data
OK: Checksum (high)
Error: No data transmitted
OK: Checksum (low)
Error: No data transmitted
-
Transfer data from TMP89FM42 to the
pin, and restart the serial PROM
external controller
TMP89FM42
RESET
pin, and