C8051F021 Silicon Laboratories Inc, C8051F021 Datasheet - Page 149

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

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: -

16.4.2. Non-multiplexed Configuration
In Non-multiplexed mode, the Data Bus and the Address Bus pins are not shared. An example of a Non-multiplexed
Configuration is shown in Figure 16.4. See
mation about Non-multiplexed operation.
E
M
I
F
A[15:0]
D[7:0]
/WR
/RD
Figure 16.4. Non-multiplexed Configuration Example
Section “16.6.1. Non-multiplexed Mode” on page 153
ADDRESS BUS
DATA BUS
Rev. 1.4
V
DD
8
C8051F020/1/2/3
CE
A[15:0]
I/O[7:0]
WE
OE
64K X 8
SRAM
for more infor-
149