參數(shù)資料
型號: TSC80251G2D-L16CER
廠商: Atmel
文件頁數(shù): 13/77頁
文件大?。?/td> 0K
描述: IC MCU 8BIT 16MHZ LO VOLT 44VQFP
標準包裝: 1,500
系列: 8x251
核心處理器: C251
芯體尺寸: 8/16-位
速度: 16MHz
連通性: EBI/EMI,I²C,Microwire,SPI,UART/USART
外圍設備: POR,PWM,WDT
輸入/輸出數(shù): 32
程序存儲器類型: ROMless
RAM 容量: 1K x 8
電壓 - 電源 (Vcc/Vdd): 2.7 V ~ 5.5 V
振蕩器型: 內(nèi)部
工作溫度: 0°C ~ 70°C
封裝/外殼: 44-LQFP
包裝: 帶卷 (TR)
其它名稱: TSC80251G2DL16CER
20
AT/TSC8x251G2D
4135F–8051–11/06
Configuration Byte 1
Table 13.
Address Ranges and Usage of RD#, WR# and PSEN# Signals
Notes: 1. This selection provides compatibility with the standard 80C51 hardware which has
separate external memory spaces for data and code.
RD1
RD0
P1.7
P3.7/RD#
PSEN#
WR#
External
Memory
00
A17
A16
Read signal for all
external memory
locations
Write signal for all
external memory
locations
256 KB
0
1
I/O pin
A16
Read signal for all
external memory
locations
Write signal for all
external memory
locations
128 KB
1
0
I/O pin
Read signal for all
external memory
locations
Write signal for all
external memory
locations
64 KB
1
I/O pin
Read
signal for
regions 00:
and 01:
Read signal for
regions FE: and FF:
Write signal for all
external memory
locations
2
× 64 KB(1)
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