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参数资料
| 型号： | DEMO9S08SH8 |
| 厂商： | Freescale Semiconductor |
| 文件页数： | 12/14页 |
| 文件大小： | 0K |
| 描述： | BOARD DEMO FOR MC9S08SH FAM |
| 标准包装： | 1 |
| 系列： | HCS08 |
| 类型： | MCU |
| 适用于相关产品： | MC9S08SH4，MC9S08SH8 |
| 所含物品： | 板，线缆，CD |
| 产品目录页面： | 730 (CN2011-ZH PDF) |
| 相关产品： | MC9S08SH8MTJ-ND - IC MCU 8BIT 8K FLASH 20-TSSOP MC9S08SH8MTG-ND - IC MCU 8BIT 8K FLASH 16-TSSOP MC9S08SH8MSC-ND - IC MCU 8BIT 8K FLASH 8-SOIC MC9S08SH8MPJ-ND - IC MCU 8BIT 8K FLASH 20-DIP MC9S08SH8CTJ-ND - IC MCU 8BIT 8K FLASH 20-TSSOP MC9S08SH8CTG-ND - IC MCU 8BIT 8K FLASH 16-TSSOP MC9S08SH8CSC-ND - IC MCU 8BIT 8K FLASH 8-SOIC MC9S08SH8CPJ-ND - IC MCU 8BIT 8K FLASH 20-DIP |
D E M O 9 S 0 8 S H 8
U S E R G U I D E
A P R I L
2 7 ,
2 0 0 7
RS-232
An RS-232 translator provides RS-232 to TTL/CMOS logic level translation on the COM con-
nector. 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.
COM_EN
The RS-232 PHY is connected to the MCU through the COM_EN option header. Installing
shunts in position TX and RX connects the transceiver. Removing the shunts isolates the
transceiver from the MCU.
Table 5: COM_EN Option
ON
OFF
1
2
TX
RX
Enabled
Enabled
Disabled
Disabled
COM_EN
12
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相关代理商/技术参数 |
参数描述 |
|---|---|
| DEMO9S08SV16 | 功能描述:开发板和工具包 - S08 / S12 DEMO BOARD FOR SV16 FAMILY 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 |
| DEMO9S12HY64 | 功能描述:开发板和工具包 - S08 / S12 DEMO BOARD FOR 9S12HY64 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 |
| 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 |
| DEMO9S12NE64 | 制造商:Freescale Semiconductor 功能描述:Microcontroller IC Clock Speed |
| DEMO9S12NE64E | 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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