參數(shù)資料
型號(hào)： MC68302FC16CR2
廠商： MOTOROLA INC
元件分類： 微控制器/微處理器
英文描述： 4 CHANNEL(S), 10M bps, LOCAL AREA NETWORK CONTROLLER, PQFP132
封裝： 0.950 X 0.950 INCH, 0.025 INCH PITCH, PLASTIC, QFP-132
文件頁數(shù)： 102/128頁
文件大小： 641K
代理商： MC68302FC16CR2
Signal Descriptions
5-8
MC68EN302 REFERENCE MANUAL
MOTOROLA
5.4.7 A0
A new signal, A0 has been added for supporting dynamic bus sizing. This signal replaces
the MC68302 A0 that was multiplexed onto UDS. A0 is bidirectional.
The A0 signal appears on the pin if the PM6 bit of the MBCTRL = 0. If PM6= 1 then the pin
is used as TOUT1/PB4.
5.4.8 WEL- Write Enable for Byte 1 (Bit 7–Bit 0)
If the PM7 bit of the MBCTRL = 1, then the active low signal WEL is enabled. If PM7 = 0,
then the pin is used for DREQ/PA13 and is bidirectional.
5.4.9 WEH - Write Enable for Byte 0 (Bit 15–Bit 8)
If the PM8 bit of the MBCTRL = 1, the active low WEH signal appears on the pin. If PM8 =
0, then the pin is used for DACK/PA14 and is bidirectional.
5.4.10 OE - Output Enable
Output - asserted low, pin is bidirectional.
If the PM9 bit of the MBCTRL = 0, the active low OE signal is enabled. If PM9 = 1 then the
pin is used for DONE/PA15 and may be bidirectional.
5.5 MC68EN302 ONLY PIN/SIGNALS
TENA
TX
TCLK
RENA
RX
RCLK
CLSN
PARITY0/DISCPU
PARITY1/BUSW
PARITYE/THREES
TMS
TCK
TRST
TDO
TDI
GND
5.5.1 GND
For proper implementation of the EN302, this pin must be tied to ground.
5.5.2 TRST - JTAG Reset Signal
For normal operation the asynchronous TRST signal must be held low during system reset.
This pin has an internal pullup resistor.
相關(guān)PDF資料
PDF描述
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MC68302FC20 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:Integrated Multiprotocol Processor User’s Manual
MC68302FC20C 功能描述:IC MPU MULTI-PROTOCOL 132-PQFP RoHS:否 類別:集成電路 (IC) >> 嵌入式 - 微處理器 系列:M683xx 標(biāo)準(zhǔn)包裝:2 系列:MPC8xx 處理器類型:32-位 MPC8xx PowerQUICC 特點(diǎn):- 速度:133MHz 電壓:3.3V 安裝類型:表面貼裝 封裝/外殼:357-BBGA 供應(yīng)商設(shè)備封裝:357-PBGA（25x25） 包裝:托盤
MC68302FC25 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:Integrated Multiprotocol Processor User’s Manual
MC68302FC25C 功能描述:IC MPU MULTI-PROTOCOL 132-PQFP RoHS:否 類別:集成電路 (IC) >> 嵌入式 - 微處理器 系列:M683xx 標(biāo)準(zhǔn)包裝:2 系列:MPC8xx 處理器類型:32-位 MPC8xx PowerQUICC 特點(diǎn):- 速度:133MHz 電壓:3.3V 安裝類型:表面貼裝 封裝/外殼:357-BBGA 供應(yīng)商設(shè)備封裝:357-PBGA（25x25） 包裝:托盤
MC68302FE16 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Communications Controller
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