C8051F019 Silicon Laboratories Inc, C8051F019 Datasheet - Page 58

• Manufacturer Part Number: C8051F019
• Description: IC 8051 MCU 16K FLASH 48TQFP
• Manufacturer: Silicon Laboratories Inc
• Series: C8051F018r

Specifications of C8051F019

• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 25MHz
• Connectivity: SMBus (2-Wire/I²C), SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT
• Number Of I /o: 16
• Program Memory Size: 16KB (16K x 8)
• Program Memory Type: FLASH
• Ram Size: 1.25K x 8
• Voltage - Supply (vcc/vdd): 2.8 V ~ 3.6 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 48-TQFP, 48-VQFP
• Data Bus Width: 8 bit
• Data Ram Size: 1.25 KB
• Interface Type: I2C, SMBus, SPI, UART
• Maximum Clock Frequency: 25 MHz
• Number Of Programmable I/os: 16
• Number Of Timers: 16 bit
• Operating Supply Voltage: 2.8 V to 3.6 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 10 bit, 8 Channel
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -
• Lead Free Status / Rohs Status: No

Bits 7-0: ACC: Accumulator
Bits 7-0: B: B Register
ACC.7
R/W
R/W
Bit7
B.7
Bit7
This register is the accumulator for arithmetic operations.
This register serves as a second accumulator for certain arithmetic operations.
ACC.6
R/W
R/W
Bit6
Bit6
B.6
ACC.5
R/W
R/W
Bit5
Bit5
B.5
Figure 8.7. ACC: Accumulator
ACC.4
R/W
Figure 8.8. B: B Register
R/W
Bit4
B.4
Bit4
Rev. 1.2
ACC.3
R/W
R/W
Bit3
B.3
Bit3
ACC.2
R/W
R/W
Bit2
Bit2
B.2
ACC.1
R/W
R/W
Bit1
Bit1
B.1
C8051F018
C8051F019
(bit addressable)
(bit addressable)
ACC.0
R/W
R/W
Bit0
B.0
Bit0
0xE0
0xF0
SFR Address:
SFR Address:
Reset Value
Reset Value
00000000
00000000
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