C8051F705-GM Silicon Laboratories Inc, C8051F705-GM Datasheet - Page 190

• 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

C8051F70x/71x
SFR Definition 28.1. XBR0: Port I/O Crossbar Register 0
SFR Address = 0xE1; SFR Page = F
190
Name
Reset
7:6
Bit
Type
5
4
3
2
1
0
Bit
SYSCKE SYSCLK Output Enable.
Unused
SMB0E
CP0AE
URT0E
SPI0E
Name
CP0E
R
7
0
Read = 00b; Write = Don’t Care.
Comparator0 Asynchronous Output Enable.
0: Asynchronous CP0 unavailable at Port pin.
1: Asynchronous CP0 routed to Port pin.
Comparator0 Output Enable.
0: CP0 unavailable at Port pin.
1: CP0 routed to Port pin.
0: SYSCLK unavailable at Port pin.
1: SYSCLK output routed to Port pin.
SMBus I/O Enable.
0: SMBus I/O unavailable at Port pins.
1: SMBus I/O routed to Port pins.
SPI I/O Enable.
0: SPI I/O unavailable at Port pins.
1: SPI I/O routed to Port pins. Note that the SPI can be assigned either 3 or 4 GPIO
pins.
UART I/O Output Enable.
0: UART I/O unavailable at Port pin.
1: UART TX0, RX0 routed to Port pins P0.4 and P0.5.
R
6
0
CP0AE
R/W
5
0
CP0E
R/W
Rev. 1.0
4
0
Function
SYSCKE
R/W
3
0
SMB0E
R/W
2
0
SPI0E
R/W
1
0
URT0E
R/W
0
0