tmp1940cyaf TOSHIBA Semiconductor CORPORATION, tmp1940cyaf Datasheet - Page 369
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tmp1940cyaf
Manufacturer Part Number
tmp1940cyaf
Description
32-bit Tx System Risc Tx19 Family
Manufacturer
TOSHIBA Semiconductor CORPORATION
Datasheet
1.TMP1940CYAF.pdf
(464 pages)
- Current page: 369 of 464
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3.2
Block Diagram
RDY/BSY Output
Mode
Setup Pins
operations automatically. This eliminates the need for the user to code complex program and erase
sequences.
The security feature of the TMP1940FDBF flash memory prevents the stored data from being read
while it is being re-programmed with programming equipment. The TMP1940FDBF also allows the
user to protect individual blocks of the flash memory against program or erase through software
commands; however, 12-V VPP programming does not support data protection on a block-by-block
basis.
Auto Program
Auto Chip Erase
Auto Block Erase
Auto Multi-Block Erase
DATA Polling / Toggle Bit
JEDEC Standard
Internal Address Bus
Internal Data Bus
Internal Control Bus
Mode Control
Figure 3.1 Flash Memory Block Diagram
Command
Sequence
(Including
Automatic
Register
Control
Control
Control
Logic)
Logic
ROM Controller / Interleave Control
TMP1940FDBF-11
Added feature: Security Auto Program
Changed feature: Block protection is available only under software control.
Removed feature: Erase Resume/Suspend mode
Address Latch
Address
Column Decoder / Sense Amp
Flash Memory Array
Erase Block Decoder
Changes and Enhancements
512 KB
Data
Data Latch
Flash Memory
TMP1940FDBF
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