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SH79F6489P/080PR 데이터시트(PDF) 42 Page - SINOWEALTH Electronic Ltd

부품명 SH79F6489P/080PR
상세설명  Enhanced 8051 Microcontroller with 20bit Σ-ΔADC and LCD Driver
PDF  152 Pages
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제조업체  SINOWEALTH [SINOWEALTH Electronic Ltd]
홈페이지  https://en.sinowealth.com
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SH79F6489P/080PR 데이터시트(HTML) 42 Page - SINOWEALTH Electronic Ltd

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SH79F6488/SH79F6489
42
Table 7.23 Port Data Register
80H, 90H, A0H,
B0H, C0H
Bit7
Bit6
Bit5
Bit4
Bit3
Bit2
Bit1
Bit0
P0 (80H, Bank0)
P0.7
P0.6
P0.5
P0.4
P0.3
P0.2
P0.1
P0.0
P1 (90H, Bank0)
P1.7
P1.6
P1.5
P1.4
P1.3
P1.2
P1.1
P1.0
P2 (A0H, Bank0)
P2.7
P2.6
P2.5
P2.4
P2.3
P2.2
P2.1
P2.0
P3 (B0H, Bank0)
P3.7
P3.6
P3.5
P3.4
P3.3
P3.2
P3.1
P3.0
P4 (C0H, Bank0)
P4.7
P4.6
P4.5
P4.4
P4.3
P4.2
P4.1
P4.0
P5 (80H, Bank1)
P5.7
P5.6
P5.5
P5.4
P5.3
P5.2
P5.1
P5.0
P6 (90H, Bank1)
P6.7
P6.6
P6.5
P6.4
P6.3
P6.2
P6.1
P6.0
P7 (A0H, Bank1)
P7.7
P7.6
P7.5
P7.4
P7.3
P7.2
P7.1
P7.0
P8 (B0H, Bank1)
P8.7
P8.6
P8.5
P8.4
P8.3
P8.2
P8.1
P8.0
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Reset Value
(POR/WDT/LVR/PIN)
0
0
0
0
0
0
0
0
Bit Number
Bit Mnemonic
Description
7-0
Px.y
x = 0-8, y = 0-7
Port Data Register
7.7.3 Port Diagram
Data
Register
Data Bus
Write
Read Port Pad
PxCRy
Read Data Register/Pad Selection
Read
PxPCRy
Output Mode
I/O Pad
0: From Pad
1: From data register
SFEN
Second
Function
Input Mode
Read Port Data Register
(Pull-up)
0 = ON
1 = OFF
VDD
VDD
0 = OFF
1 = ON
Note:
(1) The input source of reading input port operation is from the input pin directly.
(2) The input source of reading output port operation has two paths, one is from the port data Register, and the other is from the
output pin directly. The read Instruction distinguishes which path is selected: The read-modify-write instruction is for the
reading of the data register in output mode, and the other instructions are for reading of the output pin directly.
(3) The destination of writing port operation is the data register regardless the port shared as the second function or not.
(4) In power-down mode:The reserve pins of LQFP64 package must be set to output or input with pull-high to avoid leakage
current.



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