TMP86C993XB Toshiba, TMP86C993XB Datasheet - Page 193

• Manufacturer Part Number: TMP86C993XB
• Description: EMULATION CHIP FOR TMP86F SSOP
• Manufacturer: Toshiba

Specifications of TMP86C993XB

• Accessory Type: Adapter
• For Use With/related Products: TMP86F SSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

18.2.3
18.2.4
18.2.5
18.2.6
Note:The value at address F002H (flash size) depends on the size of flash memory incorporated in each product. For
be executed until the erase operation is completed. To check the completion of the erase operation, perform read
operations repeatedly for data polling until the same data is read twice from the same address in the flash memory.
During the erase operation, any consecutive attempts to read from the same address is reversed bit 6 of the data
(toggling between 0 and 1). After the chip is erased, all bytes contain FFH.
security program status can be read from the flash memory.
the flash memory cannot be read in the parallel PROM mode. In the serial PROM mode, the flash write and RAM
loader commands cannot be executed.
or not the security program is enabled can be checked by reading FF7FH in the Product ID mode. For details,
see Table 18-2.
be executed until this operation is completed. To check the completion of the security program operation, perform
read operations repeatedly for data polling until the same data is read twice from the same address in the flash
memory. During the security program operation, any attempts to read from the same address is reversed bit 6 of
the data (toggling between 0 and 1).
This command erases the entire flash memory in approximately 30 ms. The next command sequence cannot
This command activates the Product ID mode. In the Product ID mode, the vendor ID, the flash ID, and the
This command is used to exit the Product ID mode.
This command enables the read protection setting in the flash memory. When the security program is enabled,
To disable the security program setting, it is necessary to execute the chip erase command sequence. Whether
It takes a maximum of 40 μs to set security program in the flash memory. The next command sequence cannot
example, if the product has 60-kbyte flash memory, "0EH" is read from address F002H.
Chip Erase (All Erase)
Product ID Entry
Product ID Exit
Security Program
Table 18-2 Values To Be Read in the Product ID Mode
Address
F000H
F001H
F002H
FF7FH
Security program status
Flash macro ID
Vendor ID
Flash size
Meaning
Page 179
98H
41H
0EH:
0BH:
07H:
05H:
03H:
01H:
00H:
FFH:
Other than FFH: Security program enabled
60 kbytes
48 kbytes
32 kbytes
24 kbytes
16 kbytes
8 kbytes
4 kbytes
Security program disabled
Read Value
TMP86FH92DMG