參數(shù)資料
型號: AT90S8515-8AC
廠商: Atmel
文件頁數(shù): 83/112頁
文件大?。?/td> 0K
描述: IC MCU 8K FLSH 8MHZ 44TQFP
標準包裝: 160
系列: AVR® 90S
核心處理器: AVR
芯體尺寸: 8-位
速度: 8MHz
連通性: SPI,UART/USART
外圍設(shè)備: 欠壓檢測/復(fù)位,POR,PWM,WDT
輸入/輸出數(shù): 32
程序存儲器容量: 8KB(4K x 16)
程序存儲器類型: 閃存
EEPROM 大小: 512 x 8
RAM 容量: 512 x 8
電壓 - 電源 (Vcc/Vdd): 4 V ~ 6 V
振蕩器型: 內(nèi)部
工作溫度: 0°C ~ 70°C
封裝/外殼: 44-TQFP
包裝: 托盤
72
AT90S8515
0841G–09/01
Port C Schematics
Note that all port pins are synchronized. The synchronization latch is, however, not
shown in the figure.
Figure 52. Port C Schematic Diagram (Pins PC0 - PC7)
Port D
Port D is an 8-bit bi-directional I/O port with internal pull-up resistors.
Three I/O memory address locations are allocated for the Port D, one each for the Data
Register – PORTD, $12($32), Data Direction Register – DDRD, $11($31) and the Port D
Input Pins – PIND, $10($30). The Port D Input Pins address is read-only, while the Data
Register and the Data Direction Register are read/write.
The Port D output buffers can sink 20 mA. As inputs, Port D pins that are externally
pulled low will source current if the pull-up resistors are activated.
Some Port D pins have alternate functions as shown in Table 23.
When the pins are used for the alternate function, the DDRD and PORTD registers have
to be set according to the alternate function description.
Table 23. Port D Pin Alternate Functions
Port Pin
Alternate Function
PD0
RXD (UART Input Line)
PD1
TXD (UART Output Line)
PD2
INT0 (External interrupt 0 Input)
PD3
INT1 (External interrupt 1 Input)
PD5
OC1A (Timer/Counter1 Output CompareA Match Output)
PD6
WR (Write Strobe to External Memory)
PD7
RD (Read Strobe to External Memory)
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AT90S8515-8PI 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:8-bit Microcontroller with 8K Bytes In-System Programmable Flash