C8051F044-GQR Silicon Laboratories Inc, C8051F044-GQR Datasheet - Page 325

• Manufacturer Part Number: C8051F044-GQR
• Description: IC 8051 MCU 64K FLASH 100TQFP
• Manufacturer: Silicon Laboratories Inc
• Series: C8051F04xr

Specifications of C8051F044-GQR

• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 25MHz
• Connectivity: CAN, EBI/EMI, SMBus (2-Wire/I²C), SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT
• Number Of I /o: 64
• 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 13x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 100-TQFP, 100-VQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

This register is used to read or write data to the Flash memory across the JTAG interface.
Bits9-2:
Bit1:
Bit0:
This register holds the address for all JTAG Flash read, write, and erase operations. This register auto-
increments after each read or write, regardless of whether the operation succeeded or failed.
Bits15-0: Flash Operation 16-bit Address.
Bit15
Bit9
JTAG Register Definition 25.5. FLASHADR: JTAG Flash Address
DATA7-0: Flash Data Byte.
FAIL: Flash Fail Bit.
0: Previous Flash memory operation was successful.
1: Previous Flash memory operation failed. Usually indicates the associated memory loca-
BUSY: Flash Busy Bit.
0: Flash interface logic is not busy.
1: Flash interface logic is processing a request. Reads or writes while BUSY = 1 will not 
JTAG Register Definition 25.4. FLASHDAT: JTAG Flash Data
tion was locked.
initiate another operation.
Rev. 1.5
C8051F040/1/2/3/4/5/6/7
Bit0
Bit0
0000000000
Reset Value
Reset Value
0x0000
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