TMP89FW20VUG Datasheet | Toshiba

8 Bit Microcontroller TLCS-870/C1 Series TMP89FW24VFG TMP89FW24VDFG TMP89FW20VUG ©2012 - 2019 Toshiba Electronic Devices & Storage Corporation Revision History Date Revision 2019/5/20 - First Release ment Dear Customers Restrictions on the use of Flash memory in TMP89FW2x This is to inform you of restrictions on the use of Flash memory in TMP89FW2x. If you have any questions or require any further information, please contact your local Toshiba sales office. 1. Product names TMP89FW20VUG、TMP89FW24VFG、TMP89FW24VDFG 2. The conditions under which the restrictions apply (1) Writing, erasing, security setting or security erasing of Flash memory (2) SLEEP0 mode or SLEEP1 mode are used. (3) Writing or erasing operation on Flash memory in the serial PROM mode. (4) Performing write operation by calling the API in the Boot ROM. (5) Performing erase or setting/erasing security by calling the API in the Boot ROM. 3. Restrictions Please read the instructions carefully before using these products. (1) Following operations must be performed on the RAM or Shadow RAM. - Performing write or erase operation on Flash memory. - Setting or erasing the security Check the FLSCRM<BUSY> to make sure that each mand sequence ends, and then hold for 200μs or more before reading data from Flash memory or starting instruction fetch. Note that in these processes interrupts must be prohibited; interrupt vectors and routines must be placed on RAM or Shadow RAM. Applicable mands : Page Program Chip Erase, Sector Erase Security Program, Security Erase (2) A transition to SLEEP0 mode or SLEEP1 mode must be performed on the RAM or the Shadow RAM. Note that in these processes interrupts must be prohibited; interrupt vectors and routines must be placed on RAM or Shadow RAM. (3) If checksum errors occur when performing write/erase operation on the Flash memory in serial PROM mode, recheck the checksum using the Flash memory SUM output mand. (4) When performing write operation on the Flash memory, do...