C8051F005 Silicon Laboratories Inc, C8051F005 Datasheet - Page 110

• Manufacturer Part Number: C8051F005
• Description: IC 8051 MCU 32K FLASH 64TQFP
• Manufacturer: Silicon Laboratories Inc
• Series: C8051F00xr

Specifications of C8051F005

• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 25MHz
• Connectivity: 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: 32KB (32K x 8)
• Program Memory Type: FLASH
• Ram Size: 2.25K x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 3.6 V
• Data Converters: A/D 8x12b, 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: -

Bits7-0: P1.[7:0]
Bits7-0: PRT1CF.[7:0]: Output Configuration Bits for P1.7-P1.0 (respectively)
Bit7:
Bit6:
Bit5:
Bit4:
Bits3-0: UNUSED. Read = 0000b, Write = don’t care.
P1.7
R/W
R/W
R/W
Bit7
Bit7
IE7
Bit7
(Write – Output appears on I/O pins per XBR0, XBR1, and XBR2 registers)
0: Logic Low Output.
1: Logic High Output (high-impedance if corresponding PRT1CF.n bit = 0)
(Read – Regardless of XBR0, XBR1, and XBR2 Register settings).
0: P1.n pin is logic low.
1: P1.n pin is logic high.
0: Corresponding P1.n Output mode is Open-Drain.
1: Corresponding P1.n Output mode is Push-Pull.
IE7: External Interrupt 7 Pending Flag.
0: No falling edge detected on P1.7.
1: This flag is set by hardware when a falling edge on P1.7 is detected.
IE6: External Interrupt 6 Pending Flag.
0: No falling edge detected on P1.6.
1: This flag is set by hardware when a falling edge on P1.6 is detected.
IE5: External Interrupt 5 Pending Flag.
0: No falling edge detected on P1.5.
1: This flag is set by hardware when a falling edge on P1.5 is detected.
IE4: External Interrupt 4 Pending Flag.
0: No falling edge detected on P1.4.
1: This flag is set by hardware when a falling edge on P1.4 is detected.
P1.6
R/W
R/W
R/W
Bit6
Bit6
IE6
Bit6
Figure 15.10. PRT1IF: Port1 Interrupt Flag Register
Figure 15.9. PRT1CF: Port1 Configuration Register
P1.5
R/W
R/W
R/W
Bit5
Bit5
Bit5
IE5
Figure 15.8. P1: Port1 Register
P1.4
R/W
R/W
R/W
Bit4
Bit4
IE4
Bit4
Rev. 1.7
P1.3
R/W
R/W
R/W
Bit3
Bit3
Bit3
-
P1.2
R/W
R/W
R/W
Bit2
Bit2
Bit2
-
C8051F000/1/2/5/6/7
C8051F010/1/2/5/6/7
P1.1
R/W
R/W
R/W
Bit1
Bit1
Bit1
-
(bit addressable)
P1.0
R/W
R/W
R/W
Bit0
Bit0
Bit0
-
0x90
SFR Address:
SFR Address:
SFR Address:
Reset Value
Reset Value
Reset Value
11111111
00000000
00000000
0xAD
0xA5
110