參數(shù)資料
型號: C8051F001
廠商: Silicon Laboratories Inc
文件頁數(shù): 46/171頁
文件大?。?/td> 0K
描述: IC 8051 MCU 32K FLASH 48TQFP
標準包裝: 250
系列: C8051F00x
核心處理器: 8051
芯體尺寸: 8-位
速度: 20MHz
連通性: SMBus(2 線/I²C),SPI,UART/USART
外圍設備: 欠壓檢測/復位,POR,PWM,溫度傳感器,WDT
輸入/輸出數(shù): 16
程序存儲器容量: 32KB(32K x 8)
程序存儲器類型: 閃存
RAM 容量: 256 x 8
電壓 - 電源 (Vcc/Vdd): 2.7 V ~ 3.6 V
數(shù)據(jù)轉換器: A/D 8x12b,D/A 2x12b
振蕩器型: 內部
工作溫度: -40°C ~ 85°C
封裝/外殼: 48-TQFP
包裝: 托盤
C8051F000/1/2/5/6/7
C8051F010/1/2/5/6/7
1.2.
On-Board Memory
The CIP-51 has a standard 8051 program and data address configuration. It includes 256 bytes of data RAM, with
the upper 128 bytes dual-mapped. Indirect addressing accesses the upper 128 bytes of general purpose RAM, and
direct addressing accesses the 128 byte SFR address space. The lower 128 bytes of RAM are accessible via direct
and indirect addressing. The first 32 bytes are addressable as four banks of general-purpose registers, and the next
16 bytes can be byte addressable or bit addressable.
The CIP-51 in the C8051F005/06/07/15/16/17 MCUs additionally has a 2048 byte RAM block in the external data
memory address space. This 2048 byte block can be addressed over the entire 64k external data memory address
range (see Figure 1.6).
The MCU’s program memory consists of 32k + 128 bytes of FLASH. This memory may be reprogrammed in-
system in 512 byte sectors, and requires no special off-chip programming voltage. The 512 bytes from addresses
0x7E00 to 0x7FFF are reserved for factory use. There is also a single 128-byte sector at address 0x8000 to 0x807F,
which may be useful as a small table for software constants or as additional program space. See Figure 1.6 for the
MCU system memory map.
Figure 1.6. On-Board Memory Map
FLASH
(In-System
Programmable in 512
Byte Sectors)
PROGRAMMEMORY
0x0000
0x7FFF
(Direct and Indirect
Addressing)
0x00
0x7F
Upper 128 RAM
(Indirect Addressing
Only)
0x80
0xFF
Special Function
Register's
(Direct Addressing Only)
RESERVED
0x7E00
0x7DFF
128 Byte ISP FLASH
0x8000
0x807F
DATA MEMORY
General Purpose
Registers
0x1F
0x20
0x2F
Bit Addressable
Lower 128 RAM
(Direct and Indirect
Addressing)
0x30
INTERNAL DATA ADDRESS SPACE
EXTERNAL DATA ADDRESS SPACE
RAM- 2048 Bytes
(accessable using MOVX
instruction)
0x0000
0x07FF
(same 2048 byte RAMblock )
0x0800
0x0FFF
(same 2048 byte RAMblock )
0xF800
0xFFFF
The same 2048 byte RAM
block can be addressed on
2k boundaries throughout
the 64k External Data
Memory space.
(same 2048 byte RAMblock )
0x1000
0x17FF
Rev. 1.7
14
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