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参数资料
| 型号： | DEMO9S08SH32 |
| 厂商： | Freescale Semiconductor |
| 文件页数： | 12/15页 |
| 文件大小： | 0K |
| 描述： | DEMO BOARD FOR MC9S08SH32 |
| 标准包装： | 1 |
| 系列： | HCS08 |
| 类型： | MCU |
| 适用于相关产品： | MC9S08SH16，MC9S08SH32 |
| 所含物品： | 板 |
D E M O 9 S 0 8 S H 3 2 / S G 3 2
U S E R G U I D E
J U L Y
9 ,
2 0 0 7
RS-232
An RS-232 translator provides RS-232 to TTL/CMOS logic level translation on the COM
connector. The COM connector is a 9-pin Dsub, right-angle connector. A ferrite bead on
shield ground provides conducted immunity protection. Communication signals TXD1 and
RXD1 are routed from the transceiver to the MCU. Hardware flow control signals RTS and
CTS are available on the logic side of the transceiver. These signals are routed to vias located
near the transceiver. RTS has been biased properly to support 2-wire RS-232
communications.
Table 4: COM Connections
MCU Port
PTB1/PIB1/SLTXD/TXD/ADP5
PTB0/PIB0/SLRXD/RXD/ADP4
COM Signal
TXD
RXD
I/O PORT
CONNECTOR
J1-5
J1-7
COM Connector
A standard 9-pin Dsub connector provides external connections for the SCI0 port. The Dsub
shell is connected to board ground through a ferrite bead. The ferrite bead provides noise
isolation on the RS-232 connection. The figure below details the DB9 connector.
Figure 4: COM Connector
4, 6
TXD
RXD
1, 6
GND
1
2
3
4
5
6
7
8
9
1, 4
RTS
CTS
NC
Female DB9 connector that interfaces to the MCU internal SCI0 serial
port via the RS232 transceiver. Flow control is provided at test points on
the board.
Pins 1, 4, and 6 are connected together.
LIN Communications
The DEMO9S08SH32/SG32 applies a fault tolerant, Local Interconnect Interface (LIN)
physical layer (PHY) for use in developing automotive control applications. The PHY supports
LIN bus functionality for input voltages between +12V and +18V. Only power applied to the
PWR connector or through the LIN bus will enable LIN functionality. Two, 4-pin, Molex
connectors provide off-board connectivity. The figure below shows the pin-out of the LIN
connector looking into the connector.
Figure 5: LIN Connector
LIN I/O
GND
4
2
3
1
V SUP
GND
REF: Mating Connector, Molex P/N,
39-01-2040, Housing
39-00-0039, Socket
NOTE : +12V must be applied to the PWR connector when using the LIN functionality.
12
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| DEMO9S08SH8 | 功能描述:开发板和工具包 - S08 / S12 DEMO BRD FOR 9S08SH8 RoHS:否 产品:Development Kits 工具用于评估:MC9S12G128 核心:S12 接口类型:CAN, LIN, RS-232, USB 工作电源电压:5 V 制造商:Freescale Semiconductor |
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| DEMO9S12NE64 | 功能描述:开发板和工具包 - S08 / S12 9S12NE64 DEMO BOARD RoHS:否 产品:Development Kits 工具用于评估:MC9S12G128 核心:S12 接口类型:CAN, LIN, RS-232, USB 工作电源电压:5 V 制造商:Freescale Semiconductor |
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