MCHC908MR8VFAE Freescale Semiconductor, MCHC908MR8VFAE Datasheet - Page 73
MCHC908MR8VFAE
Manufacturer Part Number
MCHC908MR8VFAE
Description
IC MCU 8K FLASH 8MHZ PWM 32-LQFP
Manufacturer
Freescale Semiconductor
Series
HC08r
Datasheet
1.MCHC908MR8VFAE.pdf
(372 pages)
Specifications of MCHC908MR8VFAE
Core Processor
HC08
Core Size
8-Bit
Speed
8MHz
Connectivity
SCI
Peripherals
LVD, POR, PWM
Number Of I /o
16
Program Memory Size
8KB (8K x 8)
Program Memory Type
FLASH
Ram Size
256 x 8
Voltage - Supply (vcc/vdd)
4.5 V ~ 5.5 V
Data Converters
A/D 7x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 105°C
Package / Case
32-LQFP
Processor Series
HC08MR
Core
HC08
Data Bus Width
8 bit
Data Ram Size
512 B
Interface Type
SCI, SPI
Maximum Clock Frequency
8 MHz
Number Of Programmable I/os
33
Number Of Timers
4
Maximum Operating Temperature
+ 105 C
Mounting Style
SMD/SMT
Development Tools By Supplier
FSICEBASE, M68CBL05CE
Minimum Operating Temperature
- 40 C
On-chip Adc
8 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
Company:
Part Number:
MCHC908MR8VFAE
Manufacturer:
Freescale
Quantity:
8 393
Company:
Part Number:
MCHC908MR8VFAE
Manufacturer:
Freescale Semiconductor
Quantity:
10 000
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6.4.1 Accumulator
6.4.2 Index Register
MC68HC908MR8 — Rev 4.1
Freescale Semiconductor
Read:
Write:
The accumulator is a general-purpose 8-bit register. The CPU uses the
accumulator to hold operands and the results of arithmetic/logic
operations.
The 16-bit index register allows indexed addressing of a 64-Kbyte
memory space. H is the upper byte of the index register, and X is the
lower byte. H:X is the concatenated 16-bit index register.
In the indexed addressing modes, the CPU uses the contents of the
index register to determine the conditional address of the operand.
The index register can serve also as a temporary data storage location.
Re-
set:
Read:
Write:
set:
Re-
X = Indeterminate
Bit
15
0
Bit 7
14
0
Central Processor Unit (CPU)
13
0
12
Figure 6-3. Index Register (H:X)
6
0
Figure 6-2. Accumulator (A)
11
0
5
10
0
Unaffected by reset
9
0
4
8
0
X
7
3
X
6
Central Processor Unit (CPU)
X
5
2
X
4
X
3
1
Technical Data
CPU Registers
2
X
X
1
Bit 0
Bit
X
0
73
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