tmp1940cyaf TOSHIBA Semiconductor CORPORATION, tmp1940cyaf Datasheet - Page 439

• Manufacturer Part Number: tmp1940cyaf
• Description: 32-bit Tx System Risc Tx19 Family
• Manufacturer: TOSHIBA Semiconductor CORPORATION

Note: Write the command sequence with the FSE input pin set to V
Read/Reset
Read/Reset
Auto Program
Auto Chip Erase
Auto Block Erase
Block Protect
Verify Block
Protect
Auto Security On
(Note)
Auto Security Off
(Note)
Command
Sequence
Read
Standby
Output Disable
Write
Hardware Reset / Standby
Table 3.25 Programmer Mode Command Definitions (with Addresses as Seen from the Programmer)
3.7.18
other command sequences with the FSE input pin set to V
Table 3.24 Basic Operation Modes (with Addresses as Seen from the Programmer)
Command Definitions
Mode
Cycles
Bus
1
3
4
6
6
6
4
4
6
set to the V
turn off the security feature even when the FSE pin is set to V
command is written with the FSE input pin se to V
is immediately terminated.
0xF0, 0xAA, 0x55, 0xA0, 0x80, 0x10, 0x30:
Command data. Write command data as a half quantity, padding the upper byte with 0x00.
RA: Read Address
RD: Read Data
PA: Program Address
PD: Program Data
Write data on a halfword-by-halfword basis.
BA: Block Address (BA0–BA6)
Refer to Table 3.27.
BPA: Verify Block Protect Address
BD: Block Protect Data
0xXXXX 0xF0
0x5555 0xAA 0xAAAA 0x55 0x5555 0xF0
0x5555 0xAA 0xAAAA 0x55 0x5555 0xA0
0x5555 0xAA 0xAAAA 0x55 0x5555 0x80
0x5555 0xAA 0xAAAA 0x55 0x5555 0x80
0x5555 0xAA 0xAAAA 0x55 0x5555 0x9A
0x5555 0xAA 0xAAAA 0x55 0x5555 0x90
0x5555 0xAA 0xAAAA 0x55 0x5555 0xA0
0x5555 0xAA 0xAAAA 0x55 0x5555 0x80
Addr Data Addr Data Addr Data
1st Cycle
(Write)
IH
CE
level before the command is written. The Auto Block Erase command does not
0
1
X
0
X
2nd Cycle
(Write)
TMP1940FDBF-81
OE
X
X
0
1
1
3rd Cycle
WE
(Write)
X
X
1
1
0
IL
.
IH
. This enables access to the security bit. Write the
A5
A5
A5
X
X
X
0x5555
0x5555
0x5555
0x0000
0x5555
Addr
(Read/Write)
BPA
RA
PA
IH
4th Cycle
, no block will be erased and the operation
A0
A0
A0
X
X
X
Data
0xAA
0xAA
0xAA
0xAA
0x98
RD
PD
BD
TMP1940FDBF
RESET
IH
0xAAAA 0x55 0x5555 0x10
0xAAAA 0x55
0xAAAA 0x55 0x5555 0x9A
0xAAAA 0x55 0x5555 0x10
Addr Data Addr Data
5th Cycle
. If the Auto Block Erase
X
1
1
1
0
(Write)
DQ0 to DQ15
Dout
Hi-Z
Hi-Z
Hi-Z
Din
6th Cycle
BA
(Write)
0x30