參數(shù)資料
型號(hào): C8051F010
廠商: Cygnal Technologies
英文描述: 20 MIPS,32k Flash,256 Ram,10bit ADC,64 Pin MCU(20 MIPS,32k 閃速存儲(chǔ)器,256 Ram,10位 ADC,64 腳 MCU)
中文描述: 20 MIPS的,32K閃存,256羊,10位ADC,64引腳微控制器(20 MIPS的,32K的閃速存儲(chǔ)器,256,羊,10位ADC和64腳微控制器)
文件頁數(shù): 109/170頁
文件大小: 1294K
代理商: C8051F010
4.2001; Rev. 1.3
CYGNAL Integrated Products, Inc.
2001
Page 109
C8051F000/1/2/5/6/7
C8051F010/1/2/5/6/7
PRELIMINARY
Figure 15.8. P1: Port1 Register
R/W
P1.7
Bit7
R/W
P1.6
Bit6
R/W
P1.5
Bit5
R/W
P1.4
Bit4
R/W
P1.3
Bit3
R/W
P1.2
Bit2
R/W
P1.1
Bit1
R/W
P1.0
Bit0
Reset Value
11111111
SFR Address:
0x90
(bit addressable)
Figure 15.9. PRT1CF: Port1 Configuration Register
R/W
Bit7
R/W
Bit6
R/W
Bit5
R/W
Bit4
R/W
Bit3
R/W
Bit2
R/W
Bit1
R/W
Bit0
Reset Value
00000000
SFR Address:
0xA5
Figure 15.10. PRT1IF: Port1 Interrupt Flag Register
R/W
IE7
Bit7
R/W
IE6
Bit6
R/W
IE5
Bit5
R/W
IE4
Bit4
R/W
-
Bit3
R/W
-
Bit2
R/W
-
Bit1
R/W
-
Bit0
Reset Value
00000000
SFR Address:
0xAD
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.
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.
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.
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.
Bits3-0: UNUSED. Read = 0000b, Write = don’t care.
Bit6:
Bit5:
Bit4:
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