LC86E6449 Datasheet, PDF (8/22 Pages) Sanyo Semicon Device – 8-Bit Single Chip Microcontroller with the UVEPROM

LC86E6449 Pin description
LC86E6449
Pin name I/O
Function description
Option
EPROM mode
VSS1,2
- Power pin (-)
-
-
VDD1,2 - Power pin (+)
*4 Refer to Notes
-
-
VP
- Power pin (-) for the VFD output pull-down resist -
-
PORT0 I/O •8-bit input/output port
•Pull-up resistor :
-
P00 to P07
•Input for port 0 interrupt
Provided/Not provided
•Input/output in nibble units
•Output form :
•Input for HOLD release
CMOS/N-channel open drain
•15V withstand at N-channel open drain
output
PORT1 I/O •8-bit input/output port
•Output form :
Data line
P10 to P17
•Input/output can be specified in a bit unit
CMOS/N-channel open drain D0 to D7
•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 Buzzer output
P17 Timer 1 output (PWM0 output)
PORT3 I/O •4-bit input/output port
•Output form :
-
P30 to P33
•Input/output can be specified
CMOS/N-channel open drain
•15V withstand at N-channel open drain
output
PORT7
•6-bit input port
Pull-up resistor :
EPROM control
•Other functions
Provided/Not provided
signals
P70 : INT0 input/HOLD release input/
(P70,71,72,73)
DASEC (*1)
N-ch Tr. output for watchdog timer
* P74 ,P75 don’t have pull-up OE (*2)
P70
I/O P71 : INT1 input/HOLD release input
P72 : INT2 input/timer 0 event input
resistor option.
‚CbEE (*3)
P71 to P75 I P73 : INT3 input with noise rejection
filter/timer 0 event input
P74 : XT1 terminal for 32.768kHz crystal
oscillation
P75 : XT2 terminal for 32.768kHz crystal
oscillation
•Interrupt received forms, the vector addresses
rising falling rising high low vector
& level level
falling
INT0 enable enable disable enable enable 03H
INT1 enable enable disable enable enable 0BH
INT2 enable enable enable disable disable 13H
INT3 enable enable enable disable disable 1BH
Continue.
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