Page 362
22. Serial PROM Mode
22.12 Security
TMP89FM42
RA002
22.12.4Recommended settings
Table 22-23 shows the option codes and recommended security program settings.
Note 1: In parallel PROM mode, Chip Erase can be performed irrespective of the option code setting.
Note 2: If the security program is not enabled in parallel PROM mode, ROM data can be read with no restrictions. Make sure that
in parallel PROM mode, you always enable the security program to protect ROM data.
Table 22-23 Option Codes and Recommended Security Program Settings
Device status
Serial PROM mode
Parallel PROM mode
OCD
EPFC_OP
(0xFFFA)
DAFC_OP
(0xFFFB)
Security
Program
Memory
read
Erase
Memory
read
Erase
At the time of debug-
ging during software
development
0xFF
0xFF
Disable
Password
string
required
Possible
Possible
Possible
Can be
used
In quantity production
0xFF
0xFF
Enable
Impossible
Possible
Impossible
Possible
Can be
used
Other than
0xFF
Cannot be
used
Other than
0xFF
0xFF
Password
string
required
Can be
used
Other than
0xFF
Cannot be
used
Summary of Contents for TLCS-870/C1 Series
Page 1: ...8 Bit Microcontroller TLCS 870 C1 Series TMP89FM42 查询TMP89FM42供应商 捷多邦 专业PCB打样工厂 24小时加急出货 ...
Page 3: ...Revision History Date Revision 2007 10 25 1 First Release 2007 11 3 2 Contents Revised ...
Page 4: ......
Page 14: ......
Page 18: ...1 3 Block Diagram TMP89FM42 1 3 Block Diagram Figure 1 2 Block Diagram ...
Page 22: ...1 4 Pin Names and Functions TMP89FM42 ...
Page 60: ...2 CPU Core 2 5 Revision History TMP89FM42 ...
Page 76: ...3 Interrupt Control Circuit 3 8 Revision History TMP89FM42 ...
Page 86: ...4 External Interrupt control circuit 4 3 Function TMP89FM42 ...
Page 102: ...7 Voltage Detection Circuit 7 5 Revision History TMP89FM42 ...
Page 126: ...8 I O Ports 8 3 I O Port Registers TMP89FM42 Note 2 i 0 to 1 ...
Page 136: ...8 I O Ports 8 5 Revision History TMP89FM42 ...
Page 142: ...9 Special Function Registers 9 3 SFR3 0x0E40 to 0x0EFF TMP89FM42 ...
Page 146: ...10 Low Power Consumption Function for Peripherals TMP89FM42 ...
Page 149: ...TMP89FM42 11 3 Revision History Rev Description RA001 Deleted SLEEP2 description ...
Page 150: ...11 Divider Output DVO 11 3 Revision History TMP89FM42 ...
Page 220: ...15 Real Time Clock RTC 15 4 Real Time Clock Operation TMP89FM42 ...
Page 250: ...16 Asynchronous Serial Interface UART 16 15 Revision History TMP89FM42 ...
Page 302: ...18 Serial Bus Interface SBI 18 7 Revision History TMP89FM42 ...
Page 338: ...21 Flash Memory 21 4 Toggle Bit D6 TMP89FM42 ...
Page 384: ...22 Serial PROM Mode 22 15 Revision History TMP89FM42 ...
Page 388: ...24 Input Output Circuit 24 1 Control Pins TMP89FM42 ...
Page 404: ...25 Electrical Characteristics 25 11 Revision History TMP89FM42 ...
Page 406: ...26 Package Dimensions TMP89FM42 ...
Page 408: ......