參數(shù)資料
型號: UPD178076GF-XXX-3BA
廠商: NEC Corp.
元件分類: 8位微控制器
英文描述: 8-BIT MICROCONTROLLER
中文描述: 8位微控制器
文件頁數(shù): 34/72頁
文件大小: 366K
代理商: UPD178076GF-XXX-3BA
34
μ
PD178076, 178078, 178096, 178098
Data Sheet U12885EJ3V0DS00
The IEBus mainly consists of the following six internal blocks:
CPU interface block
Interrupt control block
Internal registers
Bit processing block
Field processing block
IEBus interface block
<CPU interface block>
This block interfaces between the CPU (78K/0) and IEBus.
<Interrupt control block>
This block passes interrupt request signals from the IEBus to the CPU.
<Internal registers>
These are control registers that are used to control the IEBus and settings of each field.
<Bit processing block>
This block generates and disassembles bit timing, and mainly consists of a bit sequence ROM, 8-bit preset timer,
and decision unit.
<Field processing block>
This block generates each field in a communication frame and mainly consists of a field sequence ROM, 4-bit
down counter, and decision unit.
<IEBus interface block>
This is the interface block for an external driver/receiver, and mainly consists of a noise filter, shift register, collision
detector, parity detector, parity generation circuit, and ACK/NACK generation circuit.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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