tmp88f846ug TOSHIBA Semiconductor CORPORATION, tmp88f846ug Datasheet - Page 212

• Manufacturer Part Number: tmp88f846ug
• Description: 8 Bit Microcontroller
• Manufacturer: TOSHIBA Semiconductor CORPORATION

19.6 Operation Mode
19. Serial PROM Mode
Table 19-9 RAM Loader Mode Process
BOOT
19.6.3 RAM Loader Mode (Operation Command: 60H)
ROM
RAM
Note 1: “xxH × 3” indicates that the device enters the halt condition after sending 3 bytes of xxH. For details, refer to " 19.7 Error
Note 2: Refer to " 19.9 Intel Hex Format (Binary) ".
Note 3: Refer to " 19.8 Checksum (SUM) ".
Note 4: Refer to " 19.10 Passwords ".
Note 5: If addresses from FFFE0H to FFFFFH are filled with “FFH”, the passwords are not compared because the device is con-
1st byte
2nd byte
3rd byte
4th byte
5th byte
6th byte
7th byte
8th byte
9th byte
10th byte
11th byte
12th byte
13th byte
14th byte
15th byte
16th byte
17th byte
18th byte
19th byte
m’th byte
m’th + 1 byte
n’th - 2 byte
n’th - 1 byte
n’th byte
-
:
:
Table 19-9 shows RAM loader mode process.
Transfer Bytes
Code ".
sidered as a blank product. Transmitting a password string is not required. Even in the case of a blank product , it is
required to specify the password count storage address and the password comparison start address. Transmit these data
from the external controller. If a password error occurs due to incorrect password count storage address or password
Matching data (5AH)
-
Baud rate modification data
(See Table 19-4)
-
Operation command data (60H)
-
Password count storage address bit
23 to 16 (Note 4)
Password count storage address bit
15 to 08 (Note 4)
Password count storage address bit
07 to 00 (Note 4)
Password comparison start address
bit 23 to 16 (Note 4)
Password comparison start address
bit 15 to 08 (Note 4)
Password comparison start address
bit 07 to 00 (Note 4)
Password string (Note 5)
-
Intel Hex format (Binary)
(Note 2)
-
-
The program jumps to the start address of RAM in which the first transferred data is written.
Transfer Data from External Control-
ler to TMP88F846UG
Page 202
9600 bps
9600 bps
9600 bps
9600 bps
Modified baud rate
Modified baud rate
Modified baud rate
Modified baud rate
Modified baud rate
Modified baud rate
Modified baud rate
Modified baud rate
Modified baud rate
Modified baud rate
Modified baud rate
Modified baud rate
Modified baud rate
Baud Rate
- (Automatic baud rate adjustment)
OK: Echo back data (5AH)
Error: Nothing transmitted
-
OK: Echo back data
Error: A1H × 3, A3H × 3, 62H × 3 (Note 1)
-
OK: Echo back data (60H)
Error: A1H × 3, A3H × 3, 63H × 3 (Note 1)
-
OK: Nothing transmitted
Error: Nothing transmitted
-
OK: Nothing transmitted
Error: Nothing transmitted
-
OK: Nothing transmitted
Error: Nothing transmitted
-
OK: Nothing transmitted
Error: Nothing transmitted
-
OK: Nothing transmitted
Error: Nothing transmitted
-
OK: Nothing transmitted
Error: Nothing transmitted
-
OK: Nothing transmitted
Error: Nothing transmitted
-
-
Error: Nothing transmitted
Error: Nothing transmitted
OK: SUM (Upper byte) (Note 3)
OK: SUM (Lower byte) (Note 3)
Transfer Data from TMP88F846UG to
External Controller
TMP88F846UG