IC 8051 MCU 64K FLASH 64TQFP

C8051F021-GQ

Manufacturer Part NumberC8051F021-GQ
DescriptionIC 8051 MCU 64K FLASH 64TQFP
ManufacturerSilicon Laboratories Inc
SeriesC8051F02x
C8051F021-GQ datasheets
 

Specifications of C8051F021-GQ

Program Memory TypeFLASHProgram Memory Size64KB (64K x 8)
Package / Case64-TQFP, 64-VQFPCore Processor8051
Core Size8-BitSpeed25MHz
ConnectivityEBI/EMI, SMBus (2-Wire/I²C), SPI, UART/USARTPeripheralsBrown-out Detect/Reset, POR, PWM, Temp Sensor, WDT
Number Of I /o32Ram Size4.25K x 8
Voltage - Supply (vcc/vdd)2.7 V ~ 3.6 VData ConvertersA/D 8x8b, 8x12b; D/A 2x12b
Oscillator TypeInternalOperating Temperature-40°C ~ 85°C
Processor SeriesC8051F0xCore8051
Data Bus Width8 bitData Ram Size4.25 KB
Interface TypeI2C/SMBus/SPI/UARTMaximum Clock Frequency25 MHz
Number Of Programmable I/os32Number Of Timers4
Operating Supply Voltage2.7 V to 3.6 VMaximum Operating Temperature+ 85 C
Mounting StyleSMD/SMT3rd Party Development ToolsPK51, CA51, A51, ULINK2
Development Tools By SupplierC8051F020DKMinimum Operating Temperature- 40 C
On-chip Adc8-ch x 8-bit or 8-ch x 12-bitOn-chip Dac2-ch x 12-bit
No. Of I/o's32Ram Memory Size4352Byte
Cpu Speed25MHzNo. Of Timers5
No. Of Pwm Channels5Rohs CompliantYes
Data Rom Size64 KBA/d Bit Size12 bit
A/d Channels Available8Height1.05 mm
Length10 mmSupply Voltage (max)3.6 V
Supply Voltage (min)2.7 VWidth10 mm
Lead Free Status / RoHS StatusLead free / RoHS CompliantFor Use With336-1200 - DEV KIT FOR F020/F021/F022/F023
Eeprom Size-Other names336-1201
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Page 107/272

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12.2. Memory Organization
The memory organization of the CIP-51 System Controller is similar to that of a standard 8051. There are two sepa-
rate memory spaces: program memory and data memory. Program and data memory share the same address space but
are accessed via different instruction types. There are 256 bytes of internal data memory and 64k bytes of internal
program memory address space implemented within the CIP-51. The CIP-51 memory organization is shown in
Figure 12.2.
PROGRAM/DATA MEMORY
(FLASH)
0x1007F
Scrachpad Memory
(DATA only)
0x10000
0xFFFF
RESERVED
0xFE00
0xFDFF
FLASH
(In-System
Programmable in 512
Byte Sectors)
0x0000
12.2.1. Program Memory
The CIP-51 has a 64k byte program memory space. The MCU implements 65536 bytes of this program memory
space as in-system re-programmed FLASH memory, organized in a contiguous block from addresses 0x0000 to
0xFFFF. Note: 512 bytes (0xEE00 to 0xFFFF) of this memory are reserved for factory use and are not available for
user program storage.
Program memory is normally assumed to be read-only. However, the CIP-51 can write to program memory by setting
the Program Store Write Enable bit (PSCTL.0) and using the MOVX instruction. This feature provides a mechanism
for the CIP-51 to update program code and use the program memory space for non-volatile data storage. Refer to
tion “15. FLASH MEMORY” on page 139
Figure 12.2. Memory Map
DATA MEMORY (RAM)
INTERNAL DATA ADDRESS SPACE
0xFF
Upper 128 RAM
(Indirect Addressing
Only)
0x80
0x7F
(Direct and Indirect
Addressing)
0x30
0x2F
Bit Addressable
0x20
0x1F
General Purpose
Registers
0x00
EXTERNAL DATA ADDRESS SPACE
0xFFFF
Off-chip XRAM space
0x1000
0x0FFF
XRAM - 4096 Bytes
(accessable using MOVX
instruction)
0x0000
for further details.
Rev. 1.4
C8051F020/1/2/3
Special Function
Register's
(Direct Addressing Only)
Lower 128 RAM
(Direct and Indirect
Addressing)
Sec-
107