C8051F330DR Silicon Labs, C8051F330DR Datasheet - Page 205
C8051F330DR
Manufacturer Part Number
C8051F330DR
Description
8-bit Microcontrollers - MCU 8kB 10ADC
Manufacturer
Silicon Labs
Datasheet
1.C8051F330DR.pdf
(210 pages)
Specifications of C8051F330DR
Product Category
8-bit Microcontrollers - MCU
Core
8051
Data Bus Width
8 bit
Maximum Clock Frequency
25 MHz
Program Memory Size
8 KB
Data Ram Size
768 B
On-chip Adc
No
Operating Supply Voltage
2.7 V to 3.6 V
Package / Case
QFN-20
Mounting Style
SMD/SMT
Data Rom Size
128 B
Interface Type
I2C, SPI, UART
Maximum Operating Temperature
+ 85 C
Minimum Operating Temperature
- 40 C
Number Of Programmable I/os
17
Number Of Timers
4
On-chip Dac
No
Processor Series
C8051
Program Memory Type
Flash
Factory Pack Quantity
1500
Supply Voltage - Max
3.6 V
Supply Voltage - Min
2.7 V
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20. C2 Interface
C8051F330/1/2/3/4/5 devices include an on-chip Silicon Labs 2-Wire (C2) debug interface to allow Flash
programming and in-system debugging with the production part installed in the end application. The C2
interface uses a clock signal (C2CK) and a bi-directional C2 data signal (C2D) to transfer information
between the device and a host system. See the C2 Interface Specification for details on the C2 protocol.
20.1. C2 Interface Registers
The following describes the C2 registers necessary to perform Flash programming through the C2 inter-
face. All C2 registers are accessed through the C2 interface as described in the C2 Interface Specification.
Bits7–0: The C2ADD register is accessed via the C2 interface to select the target Data register for
This read-only register returns the 8-bit device ID: 0x0A (C8051F330/1/2/3/4/5).
Bit7
Bit7
C2 Data Read and Data Write commands.
Address
0xB4
0x00
0x01
0x02
Bit6
Bit6
C2 Register Definition 20.2. DEVICEID: C2 Device ID
C2 Register Definition 20.1. C2ADD: C2 Address
Bit5
Bit5
Selects the C2 Flash Programming Control register for Data
Selects the Revision ID register for Data Read instructions
Selects the C2 Flash Programming Data register for Data
Selects the Device ID register for Data Read instructions
Bit4
Bit4
Rev. 1.7
Bit3
Read/Write instructions
Read/Write instructions
Bit3
Description
Bit2
Bit2
C8051F330/1/2/3/4/5
Bit1
Bit1
Bit0
Bit0
00000000
00001010
Reset Value
Reset Value
209
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