C8051F045R Silicon Labs, C8051F045R Datasheet - Page 325

• Manufacturer Part Number: C8051F045R
• Description: 8-bit Microcontrollers - MCU 25 MIPS 64KB 10ADC
• Manufacturer: Silicon Labs

Specifications of C8051F045R

• Product Category: 8-bit Microcontrollers - MCU
• Core: 8051
• Data Bus Width: 8 bit
• Maximum Clock Frequency: 25 MHz
• Program Memory Size: 64 KB
• Data Ram Size: 4.25 KB
• On-chip Adc: Yes
• Operating Supply Voltage: 2.7 V to 3.6 V
• Package / Case: TQFP-64
• Mounting Style: SMD/SMT
• A/d Bit Size: 10 bit
• A/d Channels Available: 13
• Data Rom Size: 64 KB
• Interface Type: CAN, SMBus, SPI, UART
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Number Of Programmable I/os: 32
• Number Of Timers: 16 bit
• Processor Series: C8051
• Program Memory Type: Flash
• Factory Pack Quantity: 500
• Supply Voltage - Max: 3.6 V
• Supply Voltage - Min: 2.7 V

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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