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C8051F310 датащи(PDF) 29 Page - Silicon Laboratories

номер детали C8051F310
подробное описание детали  8/16 kB ISP Flash MCU Family
PDF  228 Pages
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производитель  SILABS [Silicon Laboratories]
домашняя страница  http://www.silabs.com
Logo SILABS - Silicon Laboratories

C8051F310 датащи(HTML) 29 Page - Silicon Laboratories

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Rev. 1.7
29
C8051F310/1/2/3/4/5/6/7
1.2.
On-Chip 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.
Program memory consists of 8 or 16 kB of Flash. This memory may be reprogrammed in-system in 512
byte sectors, and requires no special off-chip programming voltage. See Figure 1.11 for the MCU system
memory map.
Figure 1.11. On-Board Memory Map
PROGRAM/DATA MEMORY
(Flash)
(Direct and Indirect
Addressing)
0x00
0x7F
Upper 128 RAM
(Indirect Addressing
Only)
0x80
0xFF
Special Function
Register's
(Direct Addressing Only)
DATA MEMORY (RAM)
General Purpose
Registers
0x1F
0x20
0x2F
Bit Addressable
Lower 128 RAM
(Direct and Indirect
Addressing)
0x30
INTERNAL DATA ADDRESS SPACE
EXTERNAL DATA ADDRESS SPACE
XRAM - 1024 Bytes
(accessable using MOVX
instruction)
0x0000
0x03FF
Same 1024 bytes as from
0x0000 to 0x03FF, wrapped
on 1 kB boundaries
0x0400
0xFFFF
16 kB Flash
(In-System
Programmable in 512
Byte Sectors)
0x0000
RESERVED
0x3E00
0x3DFF
8 kB Flash
(In-System
Programmable in 512
Byte Sectors)
0x0000
RESERVED
0x2000
0x1FFF
C8051F310/1/6/7
C8051F312/3/4/5



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