C8051F021 Silicon Laboratories Inc, C8051F021 Datasheet - Page 157

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C8051F021

Manufacturer Part Number
C8051F021
Description
IC 8051 MCU 64K FLASH 64TQFP
Manufacturer
Silicon Laboratories Inc
Series
C8051F02xr
Datasheets

Specifications of C8051F021

Core Processor
8051
Core Size
8-Bit
Speed
25MHz
Connectivity
EBI/EMI, SMBus (2-Wire/I²C), SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT
Number Of I /o
32
Program Memory Size
64KB (64K x 8)
Program Memory Type
FLASH
Ram Size
4.25K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 3.6 V
Data Converters
A/D 8x8b, 8x12b; D/A 2x12b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
64-TQFP, 64-VQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-

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16.6.2.2. 8-bit MOVX without Bank Select: EMI0CF[4:2] = ‘001’ or ‘011’.
ADDR[15:8]
ADDR[15:8]
AD[7:0]
AD[7:0]
/WR
/WR
ALE
ALE
/RD
/RD
P0.5/P4.5
P0.7/P4.7
P0.6/P4.6
P0.5/P4.5
P0.6/P4.6
P0.7/P4.7
Figure 16.11. Multiplexed 8-bit MOVX without Bank Select Timing
P3/P7
P3/P7
EMIF ADDRESS (8 LSBs) from
EMIF ADDRESS (8 LSBs) from
T
T
ALEH
ALEH
R0 or R1
R0 or R1
T
T
Muxed 8-bit WRITE Without Bank Select
ALEL
ALEL
Muxed 8-bit READ Without Bank Select
Rev. 1.4
T
T
P2/P6
P2/P6
ACS
ACS
T
WDS
EMIF WRITE DATA
T
T
ACW
ACW
EMIF READ DATA
T
RDS
C8051F020/1/2/3
T
RDH
T
T
T
WDH
ACH
ACH
P0.5/P4.5
P0.7/P4.7
P0.6/P4.6
P0.5/P4.5
P0.6/P4.6
P0.7/P4.7
P3/P7
P3/P7
157

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