C8051F705-GM Silicon Laboratories Inc, C8051F705-GM Datasheet - Page 301

• Manufacturer Part Number: C8051F705-GM
• Description: IC 8051 MCU 15K FLASH 48-QFN
• Manufacturer: Silicon Laboratories Inc
• Series: C8051F70xr

Specifications of C8051F705-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: 39
• Program Memory Size: 15KB (15K x 8)
• Program Memory Type: FLASH
• Eeprom Size: 32 x 8
• 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: 48-QFN
• Processor Series: C8051F7x
• Core: 8051
• Data Bus Width: 8 bit
• Data Ram Size: 512 B
• Interface Type: I2C, SMBus, SPI, UART
• Maximum Clock Frequency: 25 MHz
• Number Of Programmable I/os: 39
• Number Of Timers: 4
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: PK51, CA51, A51, ULINK2
• Development Tools By Supplier: C8051F700DK
• Minimum Operating Temperature: - 40 C
• Height: 0.95 mm
• Length: 7 mm
• Supply Voltage (max): 1.9 V, 3.6 V
• Supply Voltage (min): 1.7 V, 1.8 V
• Width: 7 mm
• For Use With: 336-1635 - DEV KIT FOR C8051F700
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Data Converters: -
• Lead Free Status / Rohs Status: Details
• Other names: 336-1612-5

35. C2 Interface
C8051F70x/71x 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.
35.1. 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 35.1. C2ADD: C2 Address
Note: CRC registers and functions are described in
Name
Reset
Bit
7:0 C2ADD[7:0] C2 Address.
Type
Bit
page 211
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
0x96
0x97
0x91
0xD9
0x95
0x94
6
0
Name
DEVICEID
REVID
FPCTL
FPDAT
CRC0AUTO* Selects the CRC0AUTO Register
CRC0CNT*
CRC0CN*
CRC0DATA*
CRC0FLIP*
CRC0IN*
5
0
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 CRC0FLIP Register
Selects the CRC0IN Register
Section “29. Cyclic Redundancy Check Unit (CRC0)” on
Rev. 1.0
4
0
C2ADD[7:0]
R/W
Function
3
0
C8051F70x/71x
2
0
1
0
0
0
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