MC68HC908GP32CP Freescale Semiconductor, MC68HC908GP32CP Datasheet - Page 287
MC68HC908GP32CP
Manufacturer Part Number
MC68HC908GP32CP
Description
IC MCU 8MHZ 32K FLASH 40-DIP
Manufacturer
Freescale Semiconductor
Series
HC08r
Datasheet
1.MC68HC908GP32CFB.pdf
(410 pages)
Specifications of MC68HC908GP32CP
Core Processor
HC08
Core Size
8-Bit
Speed
8MHz
Connectivity
SCI, SPI
Peripherals
LVD, POR, PWM
Number Of I /o
33
Program Memory Size
32KB (32K x 8)
Program Memory Type
FLASH
Ram Size
512 x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 8x8b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
40-DIP (0.600", 15.24mm)
For Use With
M68EVB908GP32 - BOARD EVALUATION FOR HC908GP32
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Available stocks
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Manufacturer
Quantity
Price
Company:
Part Number:
MC68HC908GP32CP
Manufacturer:
ROCKWELL
Quantity:
201
Part Number:
MC68HC908GP32CP
Manufacturer:
MOTOROLA/摩托罗拉
Quantity:
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19.4.2.1 Power-On Reset
MC68HC908GP32
MOTOROLA
CGMXCLK
CGMOUT
PORRST
OSC1
IRST
RST
IAB
•
MC68HC08GP32
When power is first applied to the MCU, the power-on reset module
(POR) generates a pulse to indicate that power-on has occurred. The
external reset pin (RST) is held low while the SIM counter counts out
4096 + 32 CGMXCLK cycles. Thirty-two CGMXCLK cycles later, the
CPU and memories are released from reset to allow the reset vector
sequence to occur.
At power-on, these events occur:
CYCLES
•
•
•
•
•
•
4096
A POR pulse is generated.
The internal reset signal is asserted.
The SIM enables CGMOUT.
Internal clocks to the CPU and modules are held inactive for 4096
CGMXCLK cycles to allow stabilization of the oscillator.
The RST pin is driven low during the oscillator stabilization time.
The POR bit of the SIM reset status register (SRSR) is set and all
other bits in the register are cleared.
—
Figure 19-7. POR Recovery
Rev. 6
System Integration Module (SIM)
CYCLES
32
CYCLES
32
System Integration Module (SIM)
$FFFE
Reset and System Initialization
$FFFF
Technical Data
285
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