S9S08SG4E2MTJ Freescale Semiconductor, S9S08SG4E2MTJ Datasheet - Page 56
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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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1
Chapter 4 Memory
4.7.3
4.7.4
During reset, the contents of the nonvolatile location NVPROT is copied from FLASH into FPROT. This
register can be read at any time, but user program writes have no meaning or effect.
55
Background commands can be used to change the contents of these bits in FPROT.
KEYACC
Reset
Reset
Field
5
W
W
R
R
FLASH Configuration Register (FCNFG)
FLASH Protection Register (FPROT and NVPROT)
Enable Writing of Access Key — This bit enables writing of the backdoor comparison key. For more detailed
information about the backdoor key mechanism, refer to
0 Writes to 0xFFB0–0xFFB7 are interpreted as the start of a FLASH programming or erase command.
1 Writes to NVBACKKEY (0xFFB0–0xFFB7) are interpreted as comparison key writes.
0
0
7
7
= Unimplemented or Reserved
0
0
6
6
Figure 4-7. FLASH Configuration Register (FCNFG)
1
This register is loaded from nonvolatile location NVPROT during reset.
Figure 4-8. FLASH Protection Register (FPROT)
Table 4-10. FCNFG Register Field Descriptions
SEC01:SEC00 changes to 1:0 after successful backdoor
key entry or a successful blank check of FLASH.
MC9S08SG8 MCU Series Data Sheet, Rev. 6
SEC01:SEC00
KEYACC
0
5
5
0:0
0:1
1:0
1:1
Table 4-9. Security States
FPS
0
0
4
4
(1)
Description
Section 4.6,
Description
unsecured
secure
secure
secure
3
0
0
3
1
“Security.”
0
0
2
2
Freescale Semiconductor
0
0
1
1
FPDIS
0
0
0
0
(1)
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