MC9S08AC16MFGE Freescale Semiconductor, MC9S08AC16MFGE Datasheet - Page 59

• Manufacturer Part Number: MC9S08AC16MFGE
• Description: IC MCU 8BIT 16K FLASH 44-LQFP
• Manufacturer: Freescale Semiconductor
• Series: HCS08r

Specifications of MC9S08AC16MFGE

• Core Processor: HCS08
• Core Size: 8-Bit
• Speed: 40MHz
• Connectivity: I²C, SCI, SPI
• Peripherals: LVD, POR, PWM, WDT
• Number Of I /o: 34
• Program Memory Size: 16KB (16K x 8)
• Program Memory Type: FLASH
• Ram Size: 1K 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: 44-LQFP
• Processor Series: S08AC
• Core: HCS08
• Data Bus Width: 8 bit
• Data Ram Size: 1 KB
• Interface Type: RS- 232/SCI/SPI/UART
• Maximum Clock Frequency: 40 MHz
• Number Of Programmable I/os: 34
• Number Of Timers: 8
• 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
• Controller Family/series: HCS08
• No. Of I/o's: 34
• Ram Memory Size: 1KB
• Cpu Speed: 40MHz
• No. Of Timers: 3
• Digital Ic Case Style: LQFP
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

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
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