C8051F023R Silicon Laboratories Inc, C8051F023R Datasheet - Page 115

• Manufacturer Part Number: C8051F023R
• Description: IC 8051 MCU 64K FLASH 64TQFP
• Manufacturer: Silicon Laboratories Inc
• Series: C8051F02xr

Specifications of C8051F023R

• 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, 8x10b; 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: -
• Other names: 336-1035-2

Bits7-0:
Bits7-0:
ACC.7
R/W
R/W
B.7
Bit7
Bit7
ACC: Accumulator.
This register is the accumulator for arithmetic operations.
B: B Register.
This register serves as a second accumulator for certain arithmetic operations.
ACC.6
R/W
R/W
B.6
Bit6
Bit6
ACC.5
R/W
R/W
Bit5
B.5
Bit5
Figure 12.7. ACC: Accumulator
Figure 12.8. B: B Register
ACC.4
R/W
R/W
Bit4
B.4
Bit4
ACC.3
R/W
R/W
Bit3
B.3
Bit3
Rev. 1.4
ACC.2
R/W
R/W
Bit2
B.2
Bit2
ACC.1
C8051F020/1/2/3
R/W
R/W
B.1
Bit1
Bit1
(bit addressable)
(bit addressable)
ACC.0
R/W
R/W
B.0
Bit0
Bit0
SFR Address:
SFR Address:
00000000
00000000
Reset Value
Reset Value
0xE0
0xF0
115