C8051F330D Silicon Laboratories Inc, C8051F330D Datasheet - Page 78

• Manufacturer Part Number: C8051F330D
• Description: IC 8051 MCU 8K FLASH 20DIP
• Manufacturer: Silicon Laboratories Inc
• Series: C8051F33xr

Specifications of C8051F330D

• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 25MHz
• Connectivity: SMBus (2-Wire/I²C), SPI, UART/USART
• Peripherals: POR, PWM, Temp Sensor, WDT
• Number Of I /o: 17
• Program Memory Size: 8KB (8K x 8)
• Program Memory Type: FLASH
• Ram Size: 768 x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 3.6 V
• Data Converters: A/D 16x10b; D/A 1x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 20-DIP (0.300", 7.62mm)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -
• Other names: 336-1155

C8051F330/1, C8051F330D
78
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
B.5
Bit5
Bit5
Figure 9.7. ACC: Accumulator
ACC.4
Figure 9.8. B: B Register
R/W
R/W
B.4
Bit4
Bit4
Rev. 1.2
ACC.3
R/W
R/W
B.3
Bit3
Bit3
ACC.2
R/W
R/W
B.2
Bit2
Bit2
ACC.1
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