LC86E6449 Datasheet, PDF (9/22 Pages) Sanyo Semicon Device – 8-Bit Single Chip Microcontroller with the UVEPROM

LC86E6449
Pin name I/O
Function description
PORT8
I •8-bit input port
-
P80 to 87
•Other function
AD input port (8 port pins)
S0/T0 to O Output for VFD display controller
-
S6/T6 *6
Segment/timing in common
S7/T7 to O •Output for VFD display controller
-
S15/T15
Segment/timing with internal pull-down
*7
resistor in common
S16 to S31 I/O •Output for VFD display controller Segment
-
*8
output
•Other function
S16 : High voltage input port PC0
S17 : High voltage input port PC1
S18 : High voltage input port PC2
S19 : High voltage input port PC3
S20 : High voltage input port PC4
S21 : High voltage input port PC5
S22 : High voltage input port PC6
S23 : High voltage input port PC7
S24 : High voltage input port PD0
S25 : High voltage input port PD1
S26 : High voltage input port PD2
S27 : High voltage input port PD3
S28 : High voltage input port PD4
S29 : High voltage input port PD5
S30 : High voltage input port PD6
S31 : High voltage input port PD7
S32 to S37 I/O •Output for VFD display controller Segment
-
*9
•Other function
S32 : High voltage I/O port PE0
S33 : High voltage I/O port PE1
S34 : High voltage I/O port PE2
S35 : High voltage I/O port PE3
S36 : High voltage I/O port PE4
S37 : High voltage I/O port PE5
RES
I Reset pin
-
XT1/ P74 I •Input pin for 32.768kHz crystal oscillation
-
•Other function
XT1 : Input port P74
In case of non use, connect to VDD1.
XT2/P75 O •Output pin for 32.768kHz crystal oscillation -
•Other function
XT2 : Input port P75
In case of non use, connect to VDD1 at using
as port or unconnect at using as oscillation.
Option
EPROM mode
-
-
TA (*5)
•Address input
A15 to A0
•EPROM
control
signal input
-
-
-
-
No.6746-9/22