S9S08SG4E2MTJ Freescale Semiconductor, S9S08SG4E2MTJ Datasheet - Page 55
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S9S08SG4E2MTJ
Manufacturer Part Number
S9S08SG4E2MTJ
Description
MCU 4K FLASH 20-TSSOP
Manufacturer
Freescale Semiconductor
Series
HCS08r
Datasheet
1.S9S08SG4E2CSC.pdf
(316 pages)
Specifications of S9S08SG4E2MTJ
Core Processor
HCS08
Core Size
8-Bit
Speed
40MHz
Connectivity
I²C, LIN, SCI, SPI
Peripherals
LVD, POR, PWM, WDT
Number Of I /o
16
Program Memory Size
4KB (4K x 8)
Program Memory Type
FLASH
Ram Size
256 x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 12x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 125°C
Package / Case
20-TSSOP
Processor Series
S08SG
Core
HCS08
Data Bus Width
8 bit
Mounting Style
SMD/SMT
3rd Party Development Tools
EWS08
Development Tools By Supplier
DEMO9S08SG32, DEMO9S08SG32AUTO, DEMO9S08SG8, DEMO9S08SG8AUTO
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / Rohs Status
Details
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
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4.7.2
During reset, the contents of the nonvolatile location NVOPT are copied from FLASH into FOPT. To
change the value in this register, erase and reprogram the NVOPT location in FLASH memory as usual
and then issue a new MCU reset.
Freescale Semiconductor
SEC0[1:0]
FNORED
Reset
KEYEN
Field
1:0
7
6
W
R
KEYEN
FLASH Options Register (FOPT and NVOPT)
Backdoor Key Mechanism Enable — When this bit is 0, the backdoor key mechanism cannot be used to
disengage security. The backdoor key mechanism is accessible only from user (secured) firmware. BDM
commands cannot be used to write key comparison values that would unlock the backdoor key. For more detailed
information about the backdoor key mechanism, refer to
0 No backdoor key access allowed.
1 If user firmware writes an 8-byte value that matches the nonvolatile backdoor key (NVBACKKEY through
Vector Redirection Disable — When this bit is 1, then vector redirection is disabled.
0 Vector redirection enabled.
1 Vector redirection disabled.
Security State Code — This 2-bit field determines the security state of the MCU as shown in
the MCU is secure, the contents of RAM and FLASH memory cannot be accessed by instructions from any
unsecured source including the background debug interface. SEC01:SEC00 changes to 1:0 after successful
backdoor key entry or a successful blank check of FLASH.
For more detailed information about security, refer to
7
200 kHz
150 kHz
NVBACKKEY+7 in that order), security is temporarily disengaged until the next MCU reset.
20 MHz
10 MHz
8 MHz
4 MHz
2 MHz
1 MHz
f
Bus
= Unimplemented or Reserved
FNORED
(Binary)
PRDIV8
6
1
0
0
0
0
0
0
0
This register is loaded from nonvolatile location NVOPT during reset.
Table 4-8. FOPT Register Field Descriptions
Figure 4-6. FLASH Options Register (FOPT)
Table 4-7. FLASH Clock Divider Settings
MC9S08SG8 MCU Series Data Sheet, Rev. 6
(Decimal)
—
5
DIV
12
49
39
19
9
4
0
0
—
4
192.3 kHz
200 kHz
200 kHz
200 kHz
200 kHz
200 kHz
200 kHz
150 kHz
f
FCLK
Description
Section 4.6,
Section 4.6,
—
3
Program/Erase Timing Pulse
(5 μs Min, 6.7 μs Max)
“Security.”
“Security.”
5.2 μs
6.7 μs
—
5 μs
5 μs
5 μs
5 μs
5 μs
5 μs
2
SEC01
1
Table
Chapter 4 Memory
4-9. When
SEC00
0
54
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