MC68HC908AP8CB Freescale Semiconductor, MC68HC908AP8CB Datasheet - Page 124

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MC68HC908AP8CB

Manufacturer Part Number
MC68HC908AP8CB
Description
IC MCU 8K FLASH 8MHZ 42SDIP
Manufacturer
Freescale Semiconductor
Series
HC08r
Datasheet

Specifications of MC68HC908AP8CB

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
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 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
42-DIP (0.600", 15.24mm)
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Monitor ROM (MON)
The MCU executes the SWI and PSHH instructions when it enters monitor mode. The RUN command
tells the MCU to execute the PULH and RTI instructions. Before sending the RUN command, the host can
modify the stacked CPU registers to prepare to run the host program. The READSP command returns
the incremented stack pointer value, SP + 1. The high and low bytes of the program counter are at
addresses SP + 5 and SP + 6.
124
Description
Description
Returned
Returned
Operand
Operand
Opcode
Opcode
Data
Data
Table 8-8. READSP (Read Stack Pointer) Command
Table 8-9. RUN (Run User Program) Command
ECHO
Reads stack pointer
None
Returns incremented stack pointer value (SP + 1) in
high-byte:low-byte order
$0C
Executes PULH and RTI instructions
None
None
$28
READSP
FROM
HOST
MC68HC908AP Family Data Sheet, Rev. 4
ECHO
READSP
FROM
HOST
RUN
Command Sequence
Command Sequence
RUN
HIGH
SP
LOW
SP
RETURN
Freescale Semiconductor

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