LC6514B Просмотр технического описания (PDF) - SANYO -> Panasonic
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LC6514B
SANYO -> Panasonic
LC6514B Datasheet PDF : 17 Pages
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LC6514B
Pin Function
Input/
Pin Name
Output
Function
INT
HOLD
Input
Input
Interrupt request input pin.
HOLD mode request input pin (Differs from the LC6502/05 in function.)
Capable of being used as general-purpose single-bit input port unless the standby mode is used.
RES
PA0 to 3
PB0 to 2
PC0 to 3
PD0 to 3
PE0 to 3
PF0 to 3
PG0 to 3
PH0 to 3
PI0, 1
OSC1
OSC2
Input
Input
Input
Input/
Output
Input/
Output
Output
Output
Output
Output
Output
Input
Output
Reset input pin.
Input port A0 to A3 (Normal voltage).
Capable of 4-bit input and single-bit decision for branch.
Used also for HALT mode release request input.
LOW threshold input for 4 bits selectable by option.
Input port B0 to B2 (Normal voltage).
Capable of 3-bit input and single-bit decision for branch.
Input/output common port C0 to C3 (Normal voltage).
Capable of 4-bit input and single-bit decision for branch during input.
Capable of 4-bit output and single-bit set/reset during output.
Input/output common port D0 to D3 (Normal voltage).
Capable of 4-bit input and single-bit decision for branch during input.
Capable of 4-bit output and single-bit set/reset during output.
Output port E0 to E3 (with high-voltage segment driver).
Capable of 4-bit output and single-bit set/reset.
Capable of 4-bit input of output latch contents and single-bit decision of output latch for branch.
Use/nonuse of pull-down resistor bitwise selectable by option.
Output port F0 to F3 (with high-voltage segment driver).
Capable of 4-bit output and single-bit set/reset.
Capable of 4-bit input of output latch contents and single-bit decision of output latch for branch.
Use/nonuse of pull-down resistor bitwise selectable by option.
Output port G0 to G3 (with high-voltage digit driver).
Capable of 4-bit output and single-bit set/reset.
Capable of 4-bit input of output latch contents and single-bit decision of output latch for branch.
Use/nonuse of pull-down resistor bitwise selectable by option.
Output port H0 to H3 (with high-voltage digit driver).
Capable of 4-bit output and single-bit set/reset.
Capable of 4-bit input of output latch contents and single-bit decision of output latch for branch.
Use/nonuse of pull-down resistor bitwise selectable by option.
Output port I0,I1 (with high-voltage digit driver).
Capable of 2-bit output and single-bit set/reset.
Capable of 2-bit input of output latch contents and single-bit decision of output latch for branch.
Use/nonuse of pull-down resistor bitwise selectable by option.
Pin for supplying external clock.
If the internal clock mode is used, C, R or a ceramic resonator is connected to this pin and pin OSC2.
Pin for externally connecting a resonance circuit for the internal clock mode.
VDD
VSS
Input
–
Power supply pin.
Normally connected to +5V.
Connected to 0V power supply.
VP
TEST
Input
Input
Power supply for high-voltage port pull-down resistor.
IC test pin.
Normally connected VSS(0V).
No.1802–3/17
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