C8051F819-GM Silicon Laboratories Inc, C8051F819-GM Datasheet - Page 244

• Manufacturer Part Number: C8051F819-GM
• Description: IC MCU 8BIT 8KB FLASH 20QFN
• Manufacturer: Silicon Laboratories Inc
• Series: C8051F81xr

Specifications of C8051F819-GM

• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 25MHz
• Connectivity: SMBus (2-Wire/I²C), SPI, UART/USART
• Peripherals: Cap Sense, POR, PWM, WDT
• Number Of I /o: 17
• Program Memory Size: 8KB (8K x 8)
• Program Memory Type: FLASH
• Ram Size: 512 x 8
• Voltage - Supply (vcc/vdd): 1.8 V ~ 3.6 V
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 20-QFN
• Processor Series: C8051F8x
• Core: 8051
• Data Bus Width: 16 bit
• Data Ram Size: 512 B
• Interface Type: I2C, SPI, UART
• Maximum Clock Frequency: 25 MHz
• Number Of Programmable I/os: 17
• Number Of Timers: 3
• Operating Supply Voltage: 1.8 V to 3.6 V
• Maximum Operating Temperature: + 125 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: PK51, CA51, A51, ULINK2
• Development Tools By Supplier: C8051F800DK
• Minimum Operating Temperature: - 55 C
• Package: 20QFN EP
• Device Core: 8051
• Family Name: C8051F8xx
• Maximum Speed: 25 MHz
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Data Converters: -
• Lead Free Status / Rohs Status: Details
• Other names: 336-1799-5

C8051F80x-83x
30. C2 Interface
C8051F80x-83x devices include an on-chip Silicon Labs 2-Wire (C2) debug interface to allow Flash pro-
gramming and in-system debugging with the production part installed in the end application. The C2 inter-
face operates using only two pins: a bi-directional data signal (C2D), and a clock input (C2CK). See the C2
Interface Specification for details on the C2 protocol.
30.1. C2 Interface Registers
The following describes the C2 registers necessary to perform Flash programming functions through the
C2 interface. All C2 registers are accessed through the C2 interface as described in the C2 Interface Spec-
ification.
C2 Register Definition 30.1. C2ADD: C2 Address
244
*Note: CRC registers and functions are described in
Name
Reset
7:0 C2ADD[7:0] C2 Address.
Bit
Type
Bit
page 159
Name
7
0
.
The C2ADD register is accessed via the C2 interface to select the target Data register
for C2 Data Read and Data Write commands.
Address
0x00
0x01
0x02
0xBF
0xD2
0xD3
0xCE
0xDE
0xCF
0xDD
6
0
Name
DEVICEID
REVID
FPCTL
FPDAT
CRC0AUTO* Selects the CRC0AUTO Register
CRC0CNT*
CRC0CN*
CRC0DATA*
CRC0FLIP*
CRC0IN*
5
0
Selects the CRC0FLIP Register
Description
Selects the Device ID Register (read only)
Selects the Revision ID Register (read only)
Selects the C2 Flash Programming Control Register
Selects the C2 Flash Data Register
Selects the CRC0CNT Register
Selects the CRC0CN Register
Selects the CRC0DATA Register
Selects the CRC0IN Register
Section “24. Cyclic Redundancy Check Unit (CRC0)” on
Rev. 1.0
4
0
C2ADD[7:0]
R/W
Function
3
0
2
0
1
0
0
0