C8051F023R Silicon Laboratories Inc, C8051F023R Datasheet - Page 170

• Manufacturer Part Number: C8051F023R
• Description: IC 8051 MCU 64K FLASH 64TQFP
• Manufacturer: Silicon Laboratories Inc
• Series: C8051F02xr

Specifications of C8051F023R

• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 25MHz
• Connectivity: EBI/EMI, SMBus (2-Wire/I²C), SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT
• Number Of I /o: 32
• Program Memory Size: 64KB (64K x 8)
• Program Memory Type: FLASH
• Ram Size: 4.25K x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 3.6 V
• Data Converters: A/D 8x8b, 8x10b; D/A 2x12b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 64-TQFP, 64-VQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -
• Other names: 336-1035-2

C8051F020/1/2/3
170
Bit7:
Bit6:
Bits5-3:
Bit2:
Bit1:
Bit0:
CP0E
R/W
Bit7
CP0E: Comparator 0 Output Enable Bit.
0: CP0 unavailable at Port pin.
1: CP0 routed to Port pin.
ECI0E: PCA0 External Counter Input Enable Bit.
0: PCA0 External Counter Input unavailable at Port pin.
1: PCA0 External Counter Input (ECI0) routed to Port pin.
PCA0ME: PCA0 Module I/O Enable Bits.
000: All PCA0 I/O unavailable at Port pins.
001: CEX0 routed to Port pin.
010: CEX0, CEX1 routed to 2 Port pins.
011: CEX0, CEX1, and CEX2 routed to 3 Port pins.
100: CEX0, CEX1, CEX2, and CEX3 routed to 4 Port pins.
101: CEX0, CEX1, CEX2, CEX3, and CEX4 routed to 5 Port pins.
110: RESERVED
111: RESERVED
UART0EN: UART0 I/O Enable Bit.
0: UART0 I/O unavailable at Port pins.
1: UART0 TX routed to P0.0, and RX routed to P0.1.
SPI0EN: SPI0 Bus I/O Enable Bit.
0: SPI0 I/O unavailable at Port pins.
1: SPI0 SCK, MISO, MOSI, and NSS routed to 4 Port pins.
SMB0EN: SMBus0 Bus I/O Enable Bit.
0: SMBus0 I/O unavailable at Port pins.
1: SMBus0 SDA and SCL routed to 2 Port pins.
ECI0E
R/W
Bit6
Figure 17.7. XBR0: Port I/O Crossbar Register 0
R/W
Bit5
PCA0ME
R/W
Bit4
Rev. 1.4
R/W
Bit3
UART0EN
R/W
Bit2
SPI0EN
R/W
Bit1
SMB0EN 00000000
R/W
Bit0
SFR Address:
Reset Value
0xE1