參數(shù)資料
型號: TMP90C051
廠商: Toshiba Corporation
元件分類: 通用總線功能
英文描述: High Speed CMOS 8-bit Microcontroller,Integrating DMA, DRAM Controller,Serial Interface, Timer/Event Counter(高速 CMOS 8位微控制器(芯片集成了DMA,DRAM控制器,串行接口,定時器/事件計數(shù)器))
中文描述: 高速CMOS 8位微控制器,集成的DMA,DRAM控制器,串行接口,定時器/事件計數(shù)器(高速的CMOS 8位微控制器(DMA的芯片集成了,內(nèi)存控制器,串行接口,定時器/事件計數(shù)器))
文件頁數(shù): 56/158頁
文件大?。?/td> 4573K
代理商: TMP90C051
56/184
TOSHIBA CORPORATION
TMP90C051
3.6.2 Port 3 (P30 - P37)
Port 3 is an 8-bit general-purpose I/O port (P3: memory
address FFB6H). P30 - P35 are output only ports; P36 and
P37 are I/O ports. The control register (P3CR: memory
address FFB7H) is used to set P36 and P37 as input or output
ports.
Reset operations set the P30 - P35 output latch to “1”,
and clear the P36 and P37 output latch and all control register
bits to “0” to set P36 and P37 to the input mode.
In addition to the general-purpose I/O port function, there
are also interrupt request input, chip select (CS) and DMA
active (DACT0, DATC1, RAS, CAS, WD6OUT) output
functions.
(1)
P30 - P34
P30 - P34 are used both as general-purpose output
ports for RAS, CAS, CS, DACT0 and DACT1.
RAS, CAS, CS, DACT0 and DACT1 output is set
using bits 0 - 4 of the port 3 function register (P3FR:
memory address FFB8H).
Figure 3.6 (3). Port 3 (P30 - P34)
相關(guān)PDF資料
PDF描述
TMP90C141 High Speed Advanced CMOS 8-bit Microcontroller,Integrating 8-Bit A/D Converter,General Serial Interface,Multifunction Timer/Event Counter(高速、先進(jìn)的 CMOS 8位微控制器(芯片集成了8位A/D轉(zhuǎn)換器,通用串行接口,多功能定時器/事件計數(shù)器))
TMP90C400 High Speed Advanced CMOS 8-bit Microcontroller,Integrating 8-Bit CPU,RAM,ROM,General Serial Interface,Multifunction Timer/Event Counter(高速、先進(jìn)的 CMOS 8位微控制器(芯片集成了8位CPU,ROM,RAM,通用串行接口,多功能定時器/事件計數(shù)器))
TMP90C401 High Speed Advanced CMOS 8-bit Microcontroller,Integrating 8-Bit CPU,RAM,ROM,General Serial Interface,Multifunction Timer/Event Counter(高速、先進(jìn)的 CMOS 8位微控制器(芯片集成了8位CPU,ROM,RAM,通用串行接口,多功能定時器/事件計數(shù)器))
TMP90C800 High Speed Advanced CMOS 8-bit Microcontroller,Integrating 8-Bit CPU,RAM,ROM,General Serial Interface,Timer/Event Counter(高速、先進(jìn)的 CMOS 8位微控制器(芯片集成了8位CPU,ROM,RAM,通用串行接口,定時器/事件計數(shù)器))
TMP90C801 High Speed Advanced CMOS 8-bit Microcontroller,Integrating 8-Bit CPU,RAM,ROM,General Serial Interface,Timer/Event Counter(高速、先進(jìn)的 CMOS 8位微控制器(芯片集成了8位CPU,ROM,RAM,通用串行接口,定時器/事件計數(shù)器))
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