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SH79F024XU Datasheet(PDF) 25 Page - SINOWEALTH Electronic Ltd

Part # SH79F024XU
Description  Enhanced 8051 Microcontroller with 10bit ADC and PWM
PDF  92 Pages
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Manufacturer  SINOWEALTH [SINOWEALTH Electronic Ltd]
Direct Link  https://en.sinowealth.com
Logo SINOWEALTH - SINOWEALTH Electronic Ltd

SH79F024XU Datasheet(HTML) 25 Page - SINOWEALTH Electronic Ltd

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SH79F
SH79F
SH79F
SH79F082
082
082
082
25
7.6
7.6
7.6
7.6 I/O
I/O
I/O
I/O Port
Port
Port
Port
7.6.1
7.6.1
7.6.1
7.6.1 Feature
Feature
Feature
Feature
�
22 bi-directional I/O ports
�
Share with alternative functions
The SH79F082 has 22 bi-directional I/O ports. The PORT data is put in Px register. The PORT control register (PxCRy)
controls the PORT as input or output. Each I/O port has an internal pull-high resistor, which is controlled by PxPCRy when
the PORT is used as input (x = 0-3, y = 0-7).
For SH79F082, some I/O pins can share with alternative functions. There exists a priority rule in CPU to avoid these
functions be conflict when all the functions are enabled. (Refer to Port
Port
Port
Port Share
Share
Share
Share Section for details).
7.6.2
7.6.2
7.6.2
7.6.2 Register
Register
Register
Register
Table
Table
Table
Table 7
7
7
7....14
14
14
14 Port Control Register
Table
Table
Table
Table 7
7
7
7....15
15
15
15 Port Pull up Resistor Control Register
Note:
Note:
Note:
Note: The bit7 of P0, The bit6 and 7 of P1, The bit0, 3 and 7 of P2, The bit0 and 3 of P3, they mast be set as input and
enable internal resister, otherwise chip will happen leakage current.
E1H
E1H
E1H
E1H ---- E
E
E
E4
4
4
4H
H
H
H
Bit7
Bit7
Bit7
Bit7
Bit6
Bit6
Bit6
Bit6
Bit5
Bit5
Bit5
Bit5
Bit4
Bit4
Bit4
Bit4
Bit3
Bit3
Bit3
Bit3
Bit2
Bit2
Bit2
Bit2
Bit1
Bit1
Bit1
Bit1
Bit0
Bit0
Bit0
Bit0
P0CR
P0CR
P0CR
P0CR (E1H)
(E1H)
(E1H)
(E1H)
-
P0CR.6
P0CR.5
P0CR.4
P0CR.3
P0CR.2
P0CR.1
P0CR.0
P1CR
P1CR
P1CR
P1CR (E2H)
(E2H)
(E2H)
(E2H)
-
-
P1CR.5
P1CR.4
P1CR.3
P1CR.2
P1CR.1
P1CR.0
P2CR
P2CR
P2CR
P2CR (E3H)
(E3H)
(E3H)
(E3H)
-
P2CR.6
P2CR.5
P2CR.4
-
P2CR.2
P2CR.1
-
P3CR
P3CR
P3CR
P3CR (E4H)
(E4H)
(E4H)
(E4H)
-
-
P3CR.5
P3CR.4
-
P3CR.2
P3CR.1
-
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Reset
Reset
Reset
Reset Value
Value
Value
Value
((((POR/WDT/LVR
POR/WDT/LVR
POR/WDT/LVR
POR/WDT/LVR/PIN
/PIN
/PIN
/PIN))))
-
0
0
0
0
0
0
0
Bit
Bit
Bit
Bit Number
Number
Number
Number
Bit
Bit
Bit
Bit Mnemonic
Mnemonic
Mnemonic
Mnemonic
Description
Description
Description
Description
7-0
7-0
7-0
7-0
Px
Px
Px
PxC
C
C
CR
R
R
R....y
y
y
y
x
x
x
x =
=
=
= 0
0
0
0-3
-3
-3
-3,,,, y
y
y
y =
=
=
= 0
0
0
0----7
7
7
7
Port
Port
Port
Port input/output
input/output
input/output
input/output direction
direction
direction
direction control
control
control
control Register
Register
Register
Register
0: input mode
1: output mode
E9H-
E9H-
E9H-
E9H- E
E
E
EC
C
C
CH
H
H
H
Bit7
Bit7
Bit7
Bit7
Bit6
Bit6
Bit6
Bit6
Bit5
Bit5
Bit5
Bit5
Bit4
Bit4
Bit4
Bit4
Bit3
Bit3
Bit3
Bit3
Bit2
Bit2
Bit2
Bit2
Bit1
Bit1
Bit1
Bit1
Bit0
Bit0
Bit0
Bit0
P0PCR
P0PCR
P0PCR
P0PCR (E9H)
(E9H)
(E9H)
(E9H)
-
P0PCR.6
P0PCR.5
P0PCR.4
P0PCR.3
P0PCR.2
P0PCR.1
P0PCR.0
P1PCR
P1PCR
P1PCR
P1PCR (EAH)
(EAH)
(EAH)
(EAH)
-
-
P1PCR.5
P1PCR.4
P1PCR.3
P1PCR.2
P1PCR.1
P1PCR.0
P2PCR
P2PCR
P2PCR
P2PCR (EBH)
(EBH)
(EBH)
(EBH)
-
P2PCR.6
P2PCR.5
P2PCR.4
-
P2PCR.2
P2PCR.1
-
P3PCR
P3PCR
P3PCR
P3PCR (ECH)
(ECH)
(ECH)
(ECH)
-
-
P3PCR.5
P3PCR.4
-
P3PCR.2
P3PCR.1
-
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Reset
Reset
Reset
Reset Value
Value
Value
Value
(POR/WDT/LVR
(POR/WDT/LVR
(POR/WDT/LVR
(POR/WDT/LVR/PIN
/PIN
/PIN
/PIN))))
-
0
0
0
0
0
0
0
Bit
Bit
Bit
Bit Number
Number
Number
Number
Bit
Bit
Bit
Bit Mnemonic
Mnemonic
Mnemonic
Mnemonic
Description
Description
Description
Description
7-0
7-0
7-0
7-0
Px
Px
Px
PxP
P
P
PCR
CR
CR
CR....y
y
y
y
x
x
x
x =
=
=
= 0-
0-
0-
0-3
3
3
3,,,, y
y
y
y =
=
=
= 0-7
0-7
0-7
0-7
Input
Input
Input
Input Port
Port
Port
Port internal
internal
internal
internal pull-high
pull-high
pull-high
pull-high resistor
resistor
resistor
resistor enable/disable
enable/disable
enable/disable
enable/disable control
control
control
control
0: internal pull-high resistor disabled
1: internal pull-high resistor enabled



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