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參數(shù)資料
| 型號： | TMP90C801 |
| 廠商： | Toshiba Corporation |
| 元件分類： | 通用總線功能 |
| 英文描述： | High Speed Advanced CMOS 8-bit Microcontroller,Integrating 8-Bit CPU,RAM，ROM，General Serial Interface,Timer/Event Counter(高速、先進的 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）) |
| 中文描述： | 采用先進的CMOS高速8位微控制器，集成8位CPU，內(nèi)存，光盤，通用串行接口，定時器/事件計數(shù)器（高速，先進的的CMOS 8位微控制器（芯片集成了8位的CPU，ROM和RAM內(nèi)存，通用串行接口，定時器/事件計數(shù)器）） |
| 文件頁數(shù)： | 5/14頁 |
| 文件大小： | 404K |
| 代理商： | TMP90C801 |
TOSHIBA CORPORATION
5/14
TMP90C800/801
2.2 Pin Names and Functions
The names of input/output pins and their functions are summarized in Table 2.2.
Table 2.2 Pin Names and Functions (1/2)
Pin Name
No. of pins
I/O 3 states
Function
P00 ~ P07
/AD0 ~ AD7
8
I/O
Port 0: 8-bit I/O port that allows selection of input/output on byte basis
3 states
Address/Data bus: Functions as 8-bit bidirectional address/data bus for external memory (For 401, fixed to
address/data bus)
P10 ~ P17
/A8 ~ A15
8
I/O
Port 1: 8-bit I/O port that allows selection on byte basis
Output
Address bus: Functions as address bus (upper 8 bits) by EXT1 set for external memory (For 401, fixed to
address bus
P20 ~ P23
4
I.O
Port 20 ~ 23: 4-bit I/O port with a pull-up resistor that can be programmed, and allows selection of
input/output on bit basis
P24
/NMI
1
I/O
Port 24: 1-bit I/O port with a pull-up resistor that can be programmed, and allows selection of
input/output on bit basis
Input
Non-maskable interrupt request pin: Falling edge interrupt register pin
P25
/WAIT
1
I/O
Port 25: 1-bit I/O port with a pull-up resistor that can be programmed, and allows selection of input/output on
bit basis
Input
Wait: Input pin for connecting slow speed memory of peripheral LSI
P26
/RD
1
Output
Port 26: 1-bit output port
Output
Read: Generates strobe signal for reading external memory (For 401, fixed to RD)
P27
/WR
1
Output
Port 27: 1-bit output port
Output
Read: Generates strobe signal for writing into external memory (For 401, fixed to WR)
P30
/INTO
1
I/O
Port 30: 1-bit I/O port with a pull-up resistor that can be programmed, and allows selection of input/output on
bit basis
Input
Interrupt request pin 0: Interrupt request pin (Level/rising edge is programmable)
P31
/INT1
1
Input
Port 31: 1-bit I/O port with a pull-up resistor that can be programmed, and allows selection of input/output on
bit basis
Interrupt request pin 1: Rising edge interrupt request pin
P32
/TI0
1
I/O
Port 32: 1-bit I/O port with a pull-up resistor that can be programmed, and allows selection of input/output on
bit basis
Input
Timer input 0: Counter input pin for Timer 0
P33
/TI2
1
Output
Port 33: 1-bit I/O port with a pull-up resistor that can be programmed, and allows selection of input/output on
bit basis
Timer input 2: Counter input pin for Timer 2
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| TMP90C801F | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:8-Bit Microcontroller |
| TMP90C801N | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:8-Bit Microcontroller |
| TMP90C802 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述: |
| TMP90C802A | 制造商:未知廠家 制造商全稱:未知廠家 功能描述: |
| TMP90C802AM | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:8-Bit Microcontroller |
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