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LC87F6D64A Datasheet, PDF (7/19 Pages) Sanyo Semicon Device – FROM 64K byte, RAM 2048 byte on-chip 8-bit 1-chip Microcontroller | |||
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Pin Description
Pin name
I/O
VSS1
-
VDD1
-
VDD2
VDD3
VP
-
PORT0
I/O
P00 to P07
PORT1
I/O
P10 to P17
PORT7
P70 to P71
S0/T0 to S8/T8
O
S9/T9 to S15/T15
O
S16 to S53
O
RES
I
CF1/XT1
I
CF2/XT2
O
LC87F6D64A
⢠Power supply (-)
⢠Power supply (+)
Function
⢠VFD Power supply (-)
⢠8bit input/output port
⢠Data direction programmable in nibble units
⢠Use of pull-up resistor can be specified in nibble units
⢠Input for HOLD release
⢠Input for port 0 interrupt
⢠Other functions
P04: clock output (system clock/can selected from sub clock)
On-chip debugger pins: DBGP0 to DBGP2 (P05 to P07)
⢠8bit input/output port
⢠Data direction programmable for each bit
⢠Use of pull-up resistor can be specified for each bit
⢠Other pin functions
P10: SIO0 data output
P11: SIO0 data input/bus input/output
P12: SIO0 clock input/output
P13: SIO1 data output
P14: SIO1 data input/bus input/output
P15: SIO1 clock input/output
P16: INT2
P17: INT3/Buzzer output
The following types of interrupt detection are possible:
Rising
Falling
Rising/
Falling
H level
INT2
enable
enable
enable
disable
INT3
enable
enable
enable
disable
L level
disable
disable
⢠2bit input/output port
⢠Data direction can be specified for each bit
⢠Use of pull-up resistor can be specified for each bit
⢠Other functions
P70: INT0 input/HOLD release input/Timer 0L capture input/
output for watchdog timer/Remote control receiver input
P71: INT1 input/HOLD release input/Timer 0H capture input
The following types of interrupt detection are possible:
Rising
Falling
Rising/
Falling
H level
INT0
enable
enable
disable
enable
INT1
enable
enable
disable
enable
L level
enable
enable
⢠Large current output for VFD display controller digit (can be used for segment)
⢠Large current output for VFD display controller segment/digit
⢠Output for VFD display controller segment
Reset terminal
<ceramic oscillator selected>
⢠Input terminal for ceramic oscillator
< crystal oscillator selected>
⢠Input for 32.768kHz crystal oscillation
When not in use, connect to VDD1.
<ceramic oscillator selected>
⢠Output terminal for ceramic oscillator
< crystal oscillator selected>
⢠Output for 32.768kHz crystal oscillation
When not in use, set to oscillation mode and leave open circuit.
Option
No
No
No
Yes
Yes
No
No
No
No
No
No
No.A1007-7/19
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