参数资料
型号: C8051F002R
厂商: Silicon Laboratories Inc
文件页数: 14/171页
文件大小: 0K
描述: IC 8051 MCU 32K FLASH 32LQFP
标准包装: 1
系列: C8051F00x
核心处理器: 8051
芯体尺寸: 8-位
速度: 20MHz
连通性: SMBus(2 线/I²C),SPI,UART/USART
外围设备: 欠压检测/复位,POR,PWM,温度传感器,WDT
输入/输出数: 8
程序存储器容量: 32KB(32K x 8)
程序存储器类型: 闪存
RAM 容量: 256 x 8
电压 - 电源 (Vcc/Vdd): 2.7 V ~ 3.6 V
数据转换器: A/D 4x12b; D/A 2x12b
振荡器型: 内部
工作温度: -40°C ~ 85°C
封装/外壳: 32-LQFP
包装: 剪切带 (CT)
其它名称: 336-1002-1
C8051F000/1/2/5/6/7
C8051F010/1/2/5/6/7
Figure 15.8. P1: Port1 Register
R/W
Reset Value
P1.7
P1.6
P1.5
P1.4
P1.3
P1.2
P1.1
P1.0
11111111
Bit7
Bit6
Bit5
Bit4
Bit3
Bit2
Bit1
Bit0
SFR Address:
(bit addressable)
0x90
Bits7-0: P1.[7:0]
(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.
Figure 15.9. PRT1CF: Port1 Configuration Register
R/W
Reset Value
00000000
Bit7
Bit6
Bit5
Bit4
Bit3
Bit2
Bit1
Bit0
SFR Address:
0xA5
Bits7-0: PRT1CF.[7:0]: Output Configuration Bits for P1.7-P1.0 (respectively)
0: Corresponding P1.n Output mode is Open-Drain.
1: Corresponding P1.n Output mode is Push-Pull.
Figure 15.10. PRT1IF: Port1 Interrupt Flag Register
R/W
Reset Value
IE7
IE6
IE5
IE4
-
00000000
Bit7
Bit6
Bit5
Bit4
Bit3
Bit2
Bit1
Bit0
SFR Address:
0xAD
Bit7:
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.
Bit6:
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.
Bit5:
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.
Bit4:
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.
Bits3-0: UNUSED. Read = 0000b, Write = don’t care.
Rev. 1.7
110
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