MC9S08JM8CLD Freescale Semiconductor, MC9S08JM8CLD Datasheet - Page 57
![MCU 8BIT 8K FLASH 44-LQFP](/photos/37/61/376114/lqfp-44_sml.jpg)
MC9S08JM8CLD
Manufacturer Part Number
MC9S08JM8CLD
Description
MCU 8BIT 8K FLASH 44-LQFP
Manufacturer
Freescale Semiconductor
Series
HCS08r
Datasheet
1.DEMO9S08JM16.pdf
(386 pages)
Specifications of MC9S08JM8CLD
Core Processor
HCS08
Core Size
8-Bit
Speed
48MHz
Connectivity
I²C, LIN, SCI, SPI, USB
Peripherals
LVD, POR, PWM, WDT
Number Of I /o
33
Program Memory Size
8KB (8K 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 8x12b
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Package / Case
44-LQFP
Processor Series
S08JM
Core
HCS08
Data Bus Width
8 bit
Data Ram Size
1 KB
Interface Type
I2C, SPI
Maximum Clock Frequency
48 MHz
Number Of Programmable I/os
37
Number Of Timers
2
Operating Supply Voltage
2.7 V to 5.5 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
EWS08
Development Tools By Supplier
DEMOJM, DEMOJMSKT, DEMOFLEXISJMSD, DEMO9S08JM16
Minimum Operating Temperature
- 40 C
On-chip Adc
12 bit, 8 Channel
Controller Family/series
HCS08
No. Of I/o's
33
Ram Memory Size
1KB
Cpu Speed
48MHz
No. Of Timers
2
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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
MC9S08JM8CLD
Manufacturer:
Freescale Semiconductor
Quantity:
10 000
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1
SEC01:SEC00 changes to 1:0 after successful backdoor key entry or a successful blank check of flash.
4.7.3
Bits 7 through 5 may be read or written at any time. Bits 4 through 0 always read 0 and cannot be written.
4.7.4
During reset, the contents of the nonvolatile location NVPROT are copied from flash into FPROT. Bits 0,
1, and 2 are not used and each always reads as 0. This register may be read at any time, but user program
writes have no meaning or effect. Background debug commands can write to FPROT.
Freescale Semiconductor
Background commands can be used to change the contents of these bits in FPROT.
KEYACC
Reset
Reset
Field
5
W
W
R
R
FPS7
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
1
= Unimplemented or Reserved
FPS6
0
0
6
6
1
This register is loaded from nonvolatile location NVPROT during reset.
Figure 4-7. Flash Configuration Register (FCNFG)
SEC01:SEC00
Table 4-10. FCNFG Register Field Descriptions
Figure 4-8. Flash Protection Register (FPROT)
0:0
0:1
1:0
1:1
KEYACC
MC9S08JM16 Series Data Sheet, Rev. 2
FPS5
0
5
5
1
Table 4-9. Security States
FPS4
0
0
4
4
1
Description
Section 4.6,
FPS3
3
0
0
3
1
Description
Unsecured
Secure
Secure
Secure
“Security.”
FPS2
0
0
2
2
1
FPS1
0
0
1
1
1
Chapter 4 Memory
FPDIS
0
0
0
0
1
57
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