MC9S08DV128CLH Freescale Semiconductor, MC9S08DV128CLH Datasheet - Page 270
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MC9S08DV128CLH
Manufacturer Part Number
MC9S08DV128CLH
Description
MCU 8BIT 128K FLASH 64-LQFP
Manufacturer
Freescale Semiconductor
Series
HCS08r
Specifications of MC9S08DV128CLH
Core Processor
HCS08
Core Size
8-Bit
Speed
40MHz
Connectivity
CAN, I²C, LIN, SCI, SPI
Peripherals
LVD, POR, PWM, WDT
Number Of I /o
53
Program Memory Size
128KB (128K x 8)
Program Memory Type
FLASH
Ram Size
6K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 24x12b
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Package / Case
64-LQFP
Processor Series
S08DV
Core
HCS08
Data Bus Width
8 bit
Data Ram Size
6 KB
Interface Type
CAN, I2C, SPI, UART
Maximum Clock Frequency
40 MHz
Number Of Programmable I/os
87
Maximum Operating Temperature
+ 85 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, 24 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:
MC9S08DV128CLH
Manufacturer:
Freescale Semiconductor
Quantity:
10 000
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Chapter 12 Freescale’s Controller Area Network (S08MSCANV1)
Read: Find the lowest ordered bit set to 1, all other bits will be read as 0
Write: Anytime when not in initialization mode
The following gives a short programming example of the usage of the CANTBSEL register:
To get the next available transmit buffer, application software must read the CANTFLG register and write
this value back into the CANTBSEL register. In this example Tx buffers TX1 and TX2 are available. The
value read from CANTFLG is therefore 0b0000_0110. When writing this value back to CANTBSEL, the
Tx buffer TX1 is selected in the CANTXFG because the lowest numbered bit set to 1 is at bit position 1.
Reading back this value out of CANTBSEL results in 0b0000_0010, because only the lowest numbered
bit position set to 1 is presented. This mechanism eases the application software the selection of the next
available Tx buffer.
If all transmit message buffers are deselected, no accesses are allowed to the CANTXFG buffer register.
12.3.11 MSCAN Identifier Acceptance Control Register (CANIDAC)
The CANIDAC register is used for identifier filter acceptance control as described below.
270
TX[2:0]
Field
•
•
•
2:0
Reset:
LDD CANTFLG; value read is 0b0000_0110
STD CANTBSEL; value written is 0b0000_0110
LDD CANTBSEL; value read is 0b0000_0010
W
R
Transmit Buffer Select — The lowest numbered bit places the respective transmit buffer in the CANTXFG
register space (e.g., TX1 = 1 and TX0 = 1 selects transmit buffer TX0; TX1 = 1 and TX0 = 0 selects transmit
buffer TX1). Read and write accesses to the selected transmit buffer will be blocked, if the corresponding TXEx
bit is cleared and the buffer is scheduled for transmission (see
(CANTFLG)”).
0 The associated message buffer is deselected
1 The associated message buffer is selected, if lowest numbered bit
The CANTBSEL register is held in the reset state when the initialization
mode is active (INITRQ = 1 and INITAK=1). This register is writable when
not in initialization mode (INITRQ = 0 and INITAK = 0).
0
0
Figure 12-15. MSCAN Identifier Acceptance Control Register (CANIDAC)
7
= Unimplemented
Table 12-15. CANTBSEL Register Field Descriptions
6
0
0
MC9S08DZ128 Series Data Sheet, Rev. 1
IDAM1
0
5
NOTE
IDAM0
4
0
Description
Section 12.3.6, “MSCAN Transmitter Flag Register
0
0
3
IDHIT2
2
0
Freescale Semiconductor
IDHIT1
0
1
IDHIT0
0
0
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