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參數(shù)資料
| 型號： | TMP90P802 |
| 廠商： | Toshiba Corporation |
| 英文描述： | A System Evaluation LSI With 8-Bit CPU,One-Time PROM(8192 x 8-Bit),RAM(256 x 8-Bit)(系統(tǒng)評估大規(guī)模集成電路（集成8位CPU，一次可編程ROM(8192 x 8位),RAM(256 x 8位)) |
| 中文描述： | 一個系統(tǒng)評價芯片與8位CPU，一次性可編程（8192 × 8位），內(nèi)存（256 × 8位）（系統(tǒng)評估大規(guī)模集成電路（集成8位的CPU，一次可編程ROM的（8192 x 8位），內(nèi)存（256 × 8位）） |
| 文件頁數(shù)： | 4/14頁 |
| 文件大?。?/td> | 426K |
| 代理商： | TMP90P802 |
4/14
TOSHIBA CORPORATION
TMP90P802A
2.2 Pin Names and Functions
The TMP90P802A has MCU mode and PROM mode.
(1)
MCU Mode (The TMP90P802A and the TMP90C802A
are pin compatible).
Table 2.2 Pin Names and Functions
Pin Name
No. of pins
I/O 3 states
Function
P00 ~ P07
/D0 ~ D7
8
I/O
Port 0: 8-bit I/O port that allows selection of input/output on byte basis
3 states
Data Bus: Also functions as 8-bit bidirectional data bus for external memory
P10 ~ P17
/A0 ~ A7
8
I/O
Port 1: 8-bit I/O port that allows selection on byte basis
Output
Addrress Bus: The lower 8 bits address bus for external memory
P20 ~ P27
/A8 ~ A 15
8
I/O
Port 2: 8-bit I/O port that allows selection on byte basis
Output
Addrress Bus: The uppper 8 bits address bus for external memory
P31
/RxD
1
Input
Port 31: 1-bit input port
Receives serial data
P32
/TxD
/RTS
/SCLK
1
Output
Port 32: 1-bit output port
Serial clock output
P33
/TxD
1
Output
Port 33: 1-bit output port
Transmits serial data
P35
/RD
1
Output
Port 35: 1-bit output port
Read: Generates strobe signal for reading external memory
P36
/WR
1
Output
Port 36: 1-bit output port
Writes: Generates strobe signal for writing external memory
P37
/WAIT
1
Input
Port 37: 1-bit input port
Wait: Input pin for connecting slow speed memory or peripheral LSI
P80
/INTO
1
Input
Port 80: 1-bit input port
Interrupt request pin 0: Interrupt request pin (Level/rising edge is programmable)
P81
/INT1
/TI4
1
Input
Port 81: 1-bit input port
Interrupt request pin 1: Interrupt request pin (Rising/falling edge is programmable)
Timer input 4: Counter/capture trigger signal for Timer 4
NMI
1
Input
Non-maskable interrupt request pin: Falling edge interrupt request pin
CLK
1
Output
Clock output: Generates clock pulse at 1/4 frequency of clock oscillation. It is Pulled up
internally during resetting.
EA
1
Input
Connects with V
CC
pin .
RESET
1
Input
Reset: Initializes the TMP90P802A (Built-in pull-up resistor)
X1/X2
2
Input/
Output
Pin for quartz crystal or ceramic resonator (1 ~ 12.5MHz)
V
CC
(GND)
1
–
Power supply (+5V)
V
SS
1
–
Ground (0V)
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TMP90P802A | 制造商:未知廠家 制造商全稱:未知廠家 功能描述: |
| TMP90P802AM | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:8-Bit Microcontroller |
| TMP90P802AP | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:8-Bit Microcontroller |
| TMP90P846F | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:8-Bit Microcontroller |
| TMP90PH02 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述: |
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