LC86P5420 Datasheet, PDF (9/22 Pages) Sanyo Semicon Device – 8-Bit Single Chip Microcontroller with the One-Time Programmable PROM

LC86P5420
Pin name I / O
Function description
Option
PROM mode
PORT8
P80 - P83 I •4-bit input port
TA (*4)
P84 - P87 I / O •4-bit input / output port
Input / output can be specified in
bit unit
•Other function
AD input port (AN7 to AN0)
RES
I Reset pin
XT1 / P74 I •Input pin for the 32.768kHz cyrstal
oscillation
•Other function
XT1 : Input port P74
In case of non use, connect to VDD
XT2 / P75 O •Output pin for the 32.768kHz
crystal oscillation
•Other function
XT2 : Input port P75
In case of non use, connect to VDD
at using as port or unconnect at using
as oscillation.
CF1
I Input pin for the ceramic resonator
oscillation
CF2
O Output pin for the ceramic resonator
oscillation
s All of port options except the pull-up resistor option of Port 0 can be specified in a bit unit.
*1 Memory select input for data security
*2 Output enable input
*3 Chip enable input
*4 TA---> PROM control signal input
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