MC9S08AW48CFUE Freescale Semiconductor, MC9S08AW48CFUE Datasheet - Page 49
![IC MCU 48K FLASH 64-QFP](/photos/12/36/123634/mc9s08aw48cfue_sml.jpg)
MC9S08AW48CFUE
Manufacturer Part Number
MC9S08AW48CFUE
Description
IC MCU 48K FLASH 64-QFP
Manufacturer
Freescale Semiconductor
Series
HCS08r
Specifications of MC9S08AW48CFUE
Core Processor
HCS08
Core Size
8-Bit
Speed
40MHz
Connectivity
I²C, SCI, SPI
Peripherals
LVD, POR, PWM, WDT
Number Of I /o
54
Program Memory Size
48KB (48K x 8)
Program Memory Type
FLASH
Ram Size
2K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 16x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
64-QFP
Processor Series
S08AW
Core
HCS08
Data Bus Width
8 bit
Data Ram Size
2 KB
Interface Type
SCI/SPI
Maximum Clock Frequency
40 MHz
Number Of Programmable I/os
54
Number Of Timers
6
Operating Supply Voltage
- 0.3 V to + 5.8 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
EWS08
Development Tools By Supplier
DEMO9S08AW60E
Minimum Operating Temperature
- 40 C
On-chip Adc
16-ch x 10-bit
Package
64PQFP
Family Name
HCS08
Maximum Speed
40 MHz
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:
MC9S08AW48CFUE
Manufacturer:
Freescale Semiconductor
Quantity:
10 000
Company:
Part Number:
MC9S08AW48CFUER
Manufacturer:
Freescale Semiconductor
Quantity:
10 000
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$FFB0 –
$FFB7
$FFB8 –
$FFBB
$FFBC
$FFBD
$FFBE
$FFBF
Provided the key enable (KEYEN) bit is 1, the 8-byte comparison key can be used to temporarily
disengage memory security. This key mechanism can be accessed only through user code running in secure
memory. (A security key cannot be entered directly through background debug commands.) This security
key can be disabled completely by programming the KEYEN bit to 0. If the security key is disabled, the
only way to disengage security is by mass erasing the FLASH if needed (normally through the background
debug interface) and verifying that FLASH is blank. To avoid returning to secure mode after the next reset,
program the security bits (SEC01:SEC00) to the unsecured state (1:0).
4.3
The MC9S08AW60 Series includes static RAM. The locations in RAM below $0100 can be accessed
using the more efficient direct addressing mode, and any single bit in this area can be accessed with the bit
manipulation instructions (BCLR, BSET, BRCLR, and BRSET). Locating the most frequently accessed
program variables in this area of RAM is preferred.
The RAM retains data when the MCU is in low-power wait, stop2, or stop3 mode. At power-on, the
contents of RAM are uninitialized. RAM data is unaffected by any reset provided that the supply voltage
does not drop below the minimum value for RAM retention.
For compatibility with older M68HC05 MCUs, the HCS08 resets the stack pointer to $00FF. In the
MC9S08AW60 Series, it is usually best to re-initialize the stack pointer to the top of the RAM so the direct
page RAM can be used for frequently accessed RAM variables and bit-addressable program variables.
Include the following 2-instruction sequence in your reset initialization routine (where RamLast is equated
to the highest address of the RAM in the Freescale-provided equate file).
Freescale Semiconductor
Address
NVBACKKEY
Reserved
Reserved for stor-
age of 250 kHz
ICGTRM value
NVPROT
Reserved for stor-
age of 243 kHz
ICGTRM value
NVOPT
RAM
Register Name
LDHX
TXS
#RamLast+1
KEYEN
FPS7
Bit 7
—
—
—
Table 4-4. Nonvolatile Register Summary
FNORED
FPS6
MC9S08AW60 Data Sheet, Rev 2
—
—
—
6
;point one past RAM
;SP<-(H:X-1)
FPS5
—
—
—
5
0
8-Byte Comparison Key
FPS4
—
—
—
4
0
FPS3
—
—
—
3
0
FPS2
—
—
—
2
0
SEC01
FPS1
—
—
—
1
Chapter 4 Memory
SEC00
FPDIS
Bit 0
—
—
—
49
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