參數(shù)資料
型號: T89C5115-TISUM
廠商: Atmel
文件頁數(shù): 32/113頁
文件大?。?/td> 0K
描述: IC 8051 MCU FLASH 16K 28SOIC
標準包裝: 27
系列: 89C
核心處理器: 8051
芯體尺寸: 8-位
速度: 40MHz
連通性: UART/USART
外圍設備: POR,PWM,WDT
輸入/輸出數(shù): 20
程序存儲器容量: 16KB(16K x 8)
程序存儲器類型: 閃存
EEPROM 大小: 2K x 8
RAM 容量: 512 x 8
電壓 - 電源 (Vcc/Vdd): 3 V ~ 5.5 V
數(shù)據(jù)轉(zhuǎn)換器: A/D 8x10b
振蕩器型: 內(nèi)部
工作溫度: -40°C ~ 85°C
封裝/外殼: 28-SOIC(0.295",7.50mm 寬)
包裝: 管件
其它名稱: 89C5115-TISUM
25
AT89C5115
4128G–8051–02/08
Figure 10. Lower 128 Bytes Internal RAM Organization
Upper 128 Bytes RAM
The upper 128 Bytes of RAM are accessible from address 80h to FFh using only indirect
addressing mode.
Expanded RAM
The on-chip 256 Bytes of expanded RAM (XRAM) are accessible from address 0000h to
00FFh using indirect addressing mode through MOVX instructions. In this address
range.
Note:
Lower 128 Bytes RAM, Upper 128 Bytes RAM, and expanded RAM are made of volatile
memory cells. This means that the RAM content is indeterminate after power-up and
must then be initialized properly.
bit-Addressable Space
4 Banks of
8 Registers
R0-R7
30h
7Fh
(bit Addresses 0-7Fh)
20h
2Fh
18h
1Fh
10h
17h
08h
0Fh
00h
07h
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