lc86p7148 Sanyo Semiconductor Corporation, lc86p7148 Datasheet - Page 7

• Manufacturer Part Number: lc86p7148
• Description: 8-bit Single Chip Microcontroller With One-time Programmable Prom
• Manufacturer: Sanyo Semiconductor Corporation

P74
VSS1 *1
VSS2 *1
VSS3 *1
VDD1 *1
VDD2 *1
VDD3 *1
PORT0
P00 - P07
PORT1
P10 - P17
PORT7
P70
P71 - P73
Port8
P80 – P87
PORT9
P90 - P93
Pin Description
Pin name
- P75
I/O
I/O
I/O
I/O
I/O
-
-
-
-
-
-
I
I
I
Power pin (–)
Power pin (–)
Power pin (–)
Power pin (+)
Power pin (+)
Power pin (+)
• 8-bit input/output port
• Input for port 0 interrupt
• Input for HOLD release
• 8-bit input/output port
• Other pin functions
• 6-bit input port
• Other pin functions
timer
• Interrupt received form, vector address
• 8-bit input port
• Other function
• 4-bit input/output port
• Other function
INT0
INT1
INT2
INT3
Input/output in nibble units
Input/output can be specified in bit unit
P70 : INT0 input/HOLD release input/
P71 : INT1 input/HOLD release input
P72 : INT2 input/timer 0 event input
P73 : INT3 input with noise filter/timer 0
P74
P75 : XT2 terminal for crystal oscillation
AD input port (8 port pins)
DA output port (4 port pins)
AD input port (4 port pins)
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 Timer1 output (PWM output)
: XT1 terminal for crystal oscillation
N-channel Tr. output for watchdog
event input
enable enable disable enable enable
enable enable disable enable enable
enable enable enable disable disable
enable enable enable disable disable
rising falling rising
Function description
falling
&
level
high
LC86P7148
level
low
-
-
-
-
-
-
• Pull-up resistor :
• Output form (P00 – P07) :
• Output form :
Pull-up resistor :
*
-
-
pull-up resistor option.
Provided/Not provided
(specified in nibble units)
CMOS/N-channel open drain
(specified in a bit)
CMOS/N-channel open drain
(specified in a bit)
Provided/Not provided
(specified in a bit)
(P70, P71, P72, P73)
P74
vector
0BH
1BH
03H
13H
, P75 don’t have the
Option
PROM mode
Data line
D0 to D7
Power for
programming
PROM control
signals
DASEC(*2)
OE (*3)
CE (*4)
No.6692-7/21