MC9S08AC8MFDE Freescale Semiconductor, MC9S08AC8MFDE Datasheet - Page 59
![IC MCU 8BIT 8K FLASH 48-QFN](/photos/12/34/123407/mc9s08ac8mfde_sml.jpg)
MC9S08AC8MFDE
Manufacturer Part Number
MC9S08AC8MFDE
Description
IC MCU 8BIT 8K FLASH 48-QFN
Manufacturer
Freescale Semiconductor
Series
HCS08r
Datasheet
1.MC9S08AC8CFGE.pdf
(336 pages)
Specifications of MC9S08AC8MFDE
Core Processor
HCS08
Core Size
8-Bit
Speed
40MHz
Connectivity
I²C, SCI, SPI
Peripherals
LVD, POR, PWM, WDT
Number Of I /o
38
Program Memory Size
8KB (8K x 8)
Program Memory Type
FLASH
Ram Size
768 x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 125°C
Package / Case
48-QFN
Processor Series
S08AC
Core
HCS08
Data Bus Width
8 bit
Data Ram Size
768 B
Interface Type
RS- 232/SCI/SPI/UART
Maximum Clock Frequency
40 MHz
Number Of Programmable I/os
38
Number Of Timers
3
Maximum Operating Temperature
+ 125 C
Mounting Style
SMD/SMT
3rd Party Development Tools
EWS08
Development Tools By Supplier
DEMO9S08AC60E, DEMOACEX, DEMOACKIT, DCF51AC256, DC9S08AC128, DC9S08AC16, DC9S08AC60, DEMO51AC256KIT
Minimum Operating Temperature
- 40 C
On-chip Adc
8-ch x 10-bit
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
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SEC01:SEC00 changes to 1:0 after successful backdoor key entry or a successful blank check of FLASH.
4.6.3
Bits 7 through 5 may be read or written at any time. Bits 4 through 0 always read 0 and cannot be written.
Freescale Semiconductor
KEYACC
Reset
Field
5
W
R
FLASH Configuration Register (FCNFG)
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
= Unimplemented or Reserved
0
0
6
Figure 4-7. FLASH Configuration Register (FCNFG)
SEC01:SEC00
Table 4-10. FCNFG Register Field Descriptions
0:0
0:1
1:0
1:1
KEYACC
MC9S08AC16 Series Data Sheet, Rev. 8
0
5
Table 4-9. Security States
0
0
4
Description
Section 4.5,
3
0
0
Description
unsecured
secure
secure
secure
“Security.”
0
0
2
0
0
1
Chapter 4 Memory
0
0
0
59
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