MC908AP32CFBE Freescale Semiconductor, MC908AP32CFBE Datasheet - Page 119
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MC908AP32CFBE
Manufacturer Part Number
MC908AP32CFBE
Description
IC MCU 32K FLASH 8MHZ 44QFP
Manufacturer
Freescale Semiconductor
Series
HC08r
Specifications of MC908AP32CFBE
Core Processor
HC08
Core Size
8-Bit
Speed
8MHz
Connectivity
I²C, IRSCI, SCI, SPI
Peripherals
LED, LVD, POR, PWM
Number Of I /o
32
Program Memory Size
32KB (32K 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 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
44-QFP
Controller Family/series
HC08
No. Of I/o's
32
Ram Memory Size
2KB
Cpu Speed
8MHz
No. Of Timers
2
Embedded Interface Type
I2C, SCI, SPI
Rohs Compliant
Yes
Processor Series
HC08AP
Core
HC08
Data Bus Width
8 bit
Data Ram Size
2 KB
Interface Type
SCI, SPI
Maximum Clock Frequency
8 MHz
Number Of Programmable I/os
32
Number Of Timers
4
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Development Tools By Supplier
FSICEBASE, DEMO908AP64E, M68CBL05CE
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit, 8 Channel
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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MC908AP32CFBE
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Freescale
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Enter monitor mode with pin configuration shown in
rising edge of RST latches monitor mode. Once monitor mode is latched, the values on the specified pins
can change.
Once out of reset, the MCU waits for the host to send eight security bytes. (See
security bytes, the MCU sends a break signal (10 consecutive logic 0’s) to the host, indicating that it is
ready to receive a command.
In monitor mode, the MCU uses different vectors for reset, SWI (software interrupt), and break interrupt
than those for user mode. The alternate vectors are in the $FE page instead of the $FF page and allow
code execution from the internal monitor firmware instead of user code.
Table 8-2
Freescale Semiconductor
summarizes the differences between user mode and monitor mode vectors.
Exiting monitor mode after it has been initiated by having a blank reset
vector requires a power-on reset (POR). Pulling RST low will not exit
monitor mode in this situation.
Monitor
Modes
User
Figure 8-2. Low-Voltage Monitor Mode Entry Flowchart
Table 8-2. Mode Differences (Vectors)
Vector
$FFFE
$FEFE
Reset
High
MC68HC908AP Family Data Sheet, Rev. 4
MONITOR MODE
TRIGGERED?
POR RESET
IS VECTOR
EXECUTE
MONITOR
BLANK?
CODE
Vector
POR
$FFFF
$FEFF
Reset
Low
YES
YES
NOTE
NO
Figure 8-1
NO
$FEFC
Vector
$FFFC
Break
High
Functions
NORMAL USER
Vector
$FFFD
$FEFD
Break
by pulling RST low and then high. The
Low
MODE
$FEFC
Vector
$FFFC
High
SWI
8.4
Vector
$FFFD
$FEFD
Functional Description
Security.) After the
Low
SWI
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