C8051F502-IMR Silicon Laboratories Inc, C8051F502-IMR Datasheet - Page 97
C8051F502-IMR
Manufacturer Part Number
C8051F502-IMR
Description
MCU 8-Bit C8051F50x 8051 CISC 64KB Flash 2.5V/3.3V/5V 32-Pin QFN EP T/R
Manufacturer
Silicon Laboratories Inc
Datasheet
1.C8051F502-IM.pdf
(312 pages)
Specifications of C8051F502-IMR
Package
32QFN EP
Device Core
8051
Family Name
C8051F50x
Maximum Speed
50 MHz
Ram Size
4.25 KB
Program Memory Size
64 KB
Operating Supply Voltage
2.5|3.3|5 V
Data Bus Width
8 Bit
Program Memory Type
Flash
Number Of Programmable I/os
25
Interface Type
I2C/SPI/UART
On-chip Adc
32-chx12-bit
Operating Temperature
-40 to 125 °C
Number Of Timers
4
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12. Memory Organization
The memory organization of the CIP-51 System Controller is similar to that of a standard 8051. There are
two separate memory spaces: program memory and data memory. Program and data memory share the
same address space but are accessed via different instruction types. The memory organization is shown in
Figure 12.1
0x7FFF
0xFBFF
0x0000
0xFC00
0x0000
PROGRAM/DATA MEMORY
C8051F504/5/6/7-F510/1
Programmable in 512
Programmable in 512
C8051F500/1/2/3/8/9
(FLASH)
32 kB FLASH
Byte Sectors)
64 kB FLASH
Byte Sectors)
RESERVED
(In-System
(In-System
Figure 12.1. C8051F50x/F51x Memory Map
0xFF
0x7F
0x2F
0x1F
0x80
0x30
0x20
0x00
Rev. 1.2
(Indirect Addressing
(Direct and Indirect
INTERNAL DATA ADDRESS SPACE
EXTERNAL DATA ADDRESS SPACE
General Purpose
Upper 128 RAM
Bit Addressable
Addressing)
0xFFFF
0x0FFF
Registers
0x1000
0x0000
Only)
DATA MEMORY (RAM)
from 0x0000 to 0x0FFF,
wrapped on 4096-byte
Same 4096 bytes as
MOVX instruction)
(accessable using
C8051F50x/F51x
4K Bytes
boundaries
XRAM
(Direct Addressing Only)
Special Function
Lower 128 RAM
(Direct and Indirect
Addressing)
Register's
97
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