MCHC908GR8VFAE Freescale Semiconductor, MCHC908GR8VFAE Datasheet - Page 229
MCHC908GR8VFAE
Manufacturer Part Number
MCHC908GR8VFAE
Description
IC MCU 8K FLASH 8MHZ 32-LQFP
Manufacturer
Freescale Semiconductor
Series
HC08r
Datasheet
1.MC68HC908GR4CFAE.pdf
(408 pages)
Specifications of MCHC908GR8VFAE
Core Processor
HC08
Core Size
8-Bit
Speed
8MHz
Connectivity
SCI, SPI
Peripherals
LVD, POR, PWM
Number Of I /o
21
Program Memory Size
7.5KB (7.5K x 8)
Program Memory Type
FLASH
Ram Size
384 x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 6x8b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 105°C
Package / Case
32-LQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
MCHC908GR8VFAE
Manufacturer:
Freescale Semiconductor
Quantity:
10 000
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Technical Data — MC68HC908GR8
17.1 Contents
17.2 Introduction
17.3 Functional Description
MC68HC908GR8 — Rev 4.0
MOTOROLA
NOTE:
NOTE:
17.2
17.3
This section describes the 384 bytes of RAM (random-access memory).
Addresses $0040 through $01BF are RAM locations. The location of the
stack RAM is programmable. The 16-bit stack pointer allows the stack to
be anywhere in the 64K byte memory space.
For correct operation, the stack pointer must point only to RAM
locations.
Within page zero are 192 bytes of RAM. Because the location of the
stack RAM is programmable, all page zero RAM locations can be used
for I/O control and user data or code. When the stack pointer is moved
from its reset location at $00FF out of page zero, direct addressing mode
instructions can efficiently access all page zero RAM locations. Page
zero RAM, therefore, provides ideal locations for frequently accessed
global variables.
Before processing an interrupt, the CPU uses five bytes of the stack to
save the contents of the CPU registers.
For M6805 compatibility, the H register is not stacked.
Freescale Semiconductor, Inc.
For More Information On This Product,
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 229
Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 229
Go to: www.freescale.com
RAM
Section 17. RAM
Technical Data
229
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