SW00ENB-ZCC Toshiba, SW00ENB-ZCC Datasheet - Page 376

• Manufacturer Part Number: SW00ENB-ZCC
• Description: MCU, MPU & DSP Development Tools CASEWORKS
• Manufacturer: Toshiba

Specifications of SW00ENB-ZCC

• Tool Type: Development Software Support
• Core Architecture: 870
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

(0xFFFF_E514)
SEQCNT
(4) Application example
External port
data, etc.
Note: The security feature of the TMP1940FDBF flash memory is not intended to guarantee rigid security
Name
Read/Write
Reset Value
Function
Name
Read/Write
Reset Value
Function
Name
Read/Write
Reset Value
Function
Name
Read/Write
Reset Value
Function
DSU-ICE can not be used.
The following flowchart exemplifies how to use the security feature with a DSU-ICE.
protection. In cases where security protection is of utmost importance, use the TMP1940CYAF
that contains mask ROM.
15
23
31
7
Figure 3.6 Using the Security Feature
No
Protect/unprotect judgment routine
Program SEQMOD and SEQCNT
Security remains on.
DSU-ICE can be used until the chip
is powered off.
14
22
30
6
to turn off security feature.
Security on at power-up
TMP1940FDBF-18
TMP1940FDBF
Turn off security
(user-created)
feature?
13
21
29
5
Must be written as 0x0000_00C5.
Must be written as 0x0000_00C5.
Must be written as 0x0000_00C5.
Must be written as 0x0000_00C5.
Yes
12
20
28
4
W
W
W
W
11
19
27
3
TMP1940FDBF
10
18
26
2
17
25
1
9
16
24
0
8