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LC723732 Datasheet(PDF) 11 Page - Sanyo Semicon Device

No. de Pieza. LC723732
Descripción  ETR Microcontrollers
Descarga  14 Pages
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Fabricante  SANYO [Sanyo Semicon Device]
Página de inicio  https://www.sanyo-av.com/us/
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LC723732 Datasheet(HTML) 11 Page - Sanyo Semicon Device

 
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No. 5931-11/14
LC723732/40/48/56/64
Continued from preceding page.
Pin No.
Symbol
I/O
Function
Equivalent circuit
General-purpose I/O ports
The mode is switched between input and output with the IOS instruction.
Input is disabled and the pins go to the high-impedance state in backup mode.
These ports are set up as general-purpose input ports after a power on reset.
68 to 61
PL0 to 3
PN0 to 3
I/O
General-purpose I/O port and beep tone output shared function ports
The IOS2 instruction is used to switch between the general-purpose I/O port and the
beep tone output functions.
• When used as a general-purpose input ports:
The general-purpose I/O port function is set up with the IOS2 instruction.
(Pins PN1 through PN3 are general-purpose I/O pins.)
• When used as the beep tone output pin:
The beep tone output function is set up with the IOS2 instruction.
The frequency is set with the BEEP instruction.
When this pin is used as the beep tone output pin, executing an output instruction
for this pin only sets the internal latch and has no influence on the output.
Input is disabled and the pins go to the high-impedance state in backup mode.
These ports are set up as general-purpose input ports after a power on reset.
60
59
58
57
PN0/BEEP
PN1
PN2
PN3
I/O
General-purpose I/O ports
The mode is switched between input and output with the IOS instruction.
Input is disabled and the pins go to the high-impedance state in backup mode.
These ports are set up as general-purpose input ports after a power on reset.
56 to 49
P00 to 3
PP0 to 3
I/O
General-purpose I/O ports
The mode is switched between input and output with the IOS instruction, and data is
input with the INR instruction and output with the OUTR instruction.
The SPB, RPB, TPT, and TPF instruction cannot be used with these ports.
Input is disabled and the pins go to the high-impedance state in backup mode.
These ports are set up as general-purpose input ports after a power on reset.
48 to 41
38 to 33
PQ0 to 3
PR0 to 3
PS0 to 3
PT0 to 1
I/O
IC test pins
These pins must be tied to ground.
99
2
TEST1
TEST2


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