參數(shù)資料
型號(hào): C8051F018R
廠商: Silicon Laboratories Inc
文件頁數(shù): 24/154頁
文件大?。?/td> 0K
描述: IC 8051 MCU 16K FLASH 64TQFP
標(biāo)準(zhǔn)包裝: 1
系列: C8051F018
核心處理器: 8051
芯體尺寸: 8-位
速度: 25MHz
連通性: SMBus(2 線/I²C),SPI,UART/USART
外圍設(shè)備: 欠壓檢測/復(fù)位,POR,PWM,溫度傳感器,WDT
輸入/輸出數(shù): 32
程序存儲(chǔ)器容量: 16KB(16K x 8)
程序存儲(chǔ)器類型: 閃存
RAM 容量: 1.25K x 8
電壓 - 電源 (Vcc/Vdd): 2.8 V ~ 3.6 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: 64-TQFP
包裝: 剪切帶 (CT)
其它名稱: 336-1048-1
C8051F018
C8051F019
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 additionally has a 1024 byte RAM block in the external data memory address space. This 1024 byte
block can be addressed over the entire 64k external data memory address range (see Figure 1.5).
The MCU’s program memory consists of 16k + 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
0x3E00 to 0x3FFF are reserved for factory use. The additional 128 byte block is located at address 0x8000. See
Figure 1.5 for the MCU system memory map.
Figure 1.5. On-Board Memory Map
PROGRAMMEMORY
(Direct and Indirect
Addressing)
0x00
0x7F
Upper 128 RAM
(Indirect Addressing
Only)
0x80
0xFF
Special Function
Register's
(Direct Addressing Only)
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- 1024 Bytes
(accessable using MOVX
instruction)
0x0000
0x03FF
(same 1024 byte RAMblock )
0x0400
0x07FF
(same 1024 byte RAMblock )
0xFC00
0xFFFF
The same 1024 byte RAM
block can be addressed on
1k boundaries throughout
the 64k External Data
Memory space.
(same 1024 byte RAMblock )
0x0800
0x0BFF
FLASH
(In-System
Programmable in 512
Byte Sectors)
0x0000
0x7FFF
RESERVED
0x3E00
0x3DFF
FLASH
(In-System
Programmable)
0x8000
0x807F
Rev. 1.2
12
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