C8051F502-IMR Silicon Laboratories Inc, C8051F502-IMR Datasheet - Page 87
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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With the CIP-51's maximum system clock at 50 MHz, it has a peak throughput of 50 MIPS. The CIP-51 has
a total of 109 instructions. The table below shows the total number of instructions that require each execu-
tion time.
Programming and Debugging Support
In-system programming of the Flash program memory and communication with on-chip debug support
logic is accomplished via the Silicon Labs 2-Wire Development Interface (C2).
The on-chip debug support logic facilitates full speed in-circuit debugging, allowing the setting of hardware
breakpoints, starting, stopping and single stepping through program execution (including interrupt service
routines), examination of the program's call stack, and reading/writing the contents of registers and mem-
ory. This method of on-chip debugging is completely non-intrusive, requiring no RAM, Stack, timers, or
other on-chip resources. C2 details can be found in Section “28. C2 Interface” on page 306.
The CIP-51 is supported by development tools from Silicon Labs and third party vendors. Silicon Labs pro-
vides an integrated development environment (IDE) including editor, debugger and programmer. The IDE's
debugger and programmer interface to the CIP-51 via the C2 interface to provide fast and efficient in-sys-
tem device programming and debugging. Third party macro assemblers and C compilers are also avail-
able.
Clocks to Execute
Number of Instructions
RESET
CLOCK
STOP
IDLE
1
26
ACCUMULATOR
Figure 11.1. CIP-51 Block Diagram
PROGRAM COUNTER (PC)
CONTROL
PSW
PRGM. ADDRESS REG.
LOGIC
POWER CONTROL
PC INCREMENTER
DATA POINTER
REGISTER
2
50
BUFFER
TMP1
PIPELINE
ALU
2/3
5
TMP2
Rev. 1.2
DATA BUS
DATA BUS
D8
D8
D8
3
14
A16
D8
D8
D8
D8
B REGISTER
REGISTER
INTERFACE
INTERFACE
INTERRUPT
INTERFACE
ADDRESS
MEMORY
SRAM
SFR
BUS
3/4
7
MEM_WRITE_DATA
SFR_WRITE_DATA
MEM_READ_DATA
STACK POINTER
SFR_READ_DATA
SRAM
MEM_ADDRESS
MEM_CONTROL
EMULATION_IRQ
SFR_ADDRESS
SFR_CONTROL
C8051F50x/F51x
SYSTEM_IRQs
4
3
4/5
1
5
2
8
1
87
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