MC9S08DZ48AMLF Freescale Semiconductor, MC9S08DZ48AMLF Datasheet - Page 258
![MCU 8BIT 48K FLASH EE 48-LQFP](/photos/37/62/376254/lqfp-48_sml.jpg)
MC9S08DZ48AMLF
Manufacturer Part Number
MC9S08DZ48AMLF
Description
MCU 8BIT 48K FLASH EE 48-LQFP
Manufacturer
Freescale Semiconductor
Series
HCS08r
Datasheets
1.DEMO9S08DZ60.pdf
(416 pages)
2.EVB9S08DZ60.pdf
(4 pages)
3.MC9S08DZ48AMLF.pdf
(458 pages)
Specifications of MC9S08DZ48AMLF
Core Processor
HCS08
Core Size
8-Bit
Speed
40MHz
Connectivity
CAN, I²C, LIN, SCI, SPI
Peripherals
LVD, POR, PWM, WDT
Number Of I /o
39
Program Memory Size
48KB (48K x 8)
Program Memory Type
FLASH
Eeprom Size
1.5K x 8
Ram Size
3K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 16x12b
Oscillator Type
External
Operating Temperature
-40°C ~ 125°C
Package / Case
48-LQFP
Processor Series
S08DZ
Core
HCS08
Data Bus Width
8 bit
Data Ram Size
3 KB
Interface Type
CAN, I2C, SCI, SPI
Number Of Programmable I/os
40
Number Of Timers
2
Operating Supply Voltage
5.5 V
Maximum Operating Temperature
+ 125 C
Mounting Style
SMD/SMT
3rd Party Development Tools
EWS08
Development Tools By Supplier
DEMO9S08DZ60
Minimum Operating Temperature
- 40 C
On-chip Adc
12 bit, 16 Channel
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
MC9S08DZ48AMLF
Manufacturer:
Freescale Semiconductor
Quantity:
10 000
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Chapter 12 Freescale’s Controller Area Network (S08MSCANV1)
bit position in the filter register. Finally, registers CANIDAR0/1/2/3 determine the value of those bits
determined by CANIDMR0/1/2/3.
For instance in the case of the filter value of:
0001x1001x0
The CANIDMR0/1/2/3 register would be configured as:
00001000010
and so all message identifier bits except bit 1 and bit 6 would be compared against the CANIDAR0/1/2/3
registers. These would be configured as:
00010100100
In this case bits 1 and 6 are set to ‘0’, but since they are ignored it is equally valid to set them to ‘1’.
12.5.3.1
Identifier Acceptance Filters example
As described above, filters work by comparisons to individual bits in the CAN message identifier field. The
filter will check each one of the eleven bits of a standard CAN message identifier. Suppose a filter value of
0001x1001x0. In this simple example, there are only three possible CAN messages.
Filter value: 0001x1001x0
Message 1: 00011100110
Message 2: 00110100110
Message 3: 00010100100
Message 2 will be rejected since its third most significant bit is not ‘0’ - 001. The filter is simply a
convenient way of defining the set of messages that the CPU must receive. For full 29-bits of an extended
CAN message identifier, the filter identifies two sets of messages: one set that it receives and one set that
it rejects. Alternatively, the filter may be split into two. This allows the MSCAN to examine only the first
16 bits of a message identifier, but allows two separate filters to perform the checking. See the example
below:
Filter value A: 0001x1001x0
Filter value B: 00x101x01x0
Message 1: 00011100110
Message 2: 00110100110
Message 3: 00010100100
MSCAN will accept all three messages. Filter A will accept messages 1 and 3 as before and filter B will
accept message 2. In practice, it is unimportant which filter accepts the message - messages accepted by
either will be placed in the input buffer. A message may be accepted by more than one filter.
MC9S08DZ60 Series Data Sheet, Rev. 4
258
Freescale Semiconductor
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