tmp19a44fda TOSHIBA Semiconductor CORPORATION, tmp19a44fda Datasheet - Page 629

• Manufacturer Part Number: tmp19a44fda
• Description: 32bit Tx System Risc
• Manufacturer: TOSHIBA Semiconductor CORPORATION

Various protecting functions
●Example of detecting protection
- Protected area valid: Corresponding SECBIT bit is set to “1” (enabled).
- Detecting ROM data protection
- Detecting DSU protection
25.4 Definition of operations/ terms
Protecting bit
1
1
0
0
Under
protection
: Control by DSUSEC (inhibiting break/ trace etc.) is in operation
SECBIT
1
0
0
1
: Control by ROSMEC (operand mask etc.) is in operation.
OK
NG
OK
TMP19A44 (rev1.3) 25-5
←: operand access
OK: correct access
NG: incorrect access
Internal ROM
Protected
area
Normal area
Normal area
Normal area
OK
OK
NG
TMP19A44
2010-04-01
Access from
Internal RAM
(including
correction is executed)
Internal BROM
External MEM
DMAC
DSU
Flash-WR
when
ROM