LC87F14C8A Datasheet, PDF (9/26 Pages) Sanyo Semicon Device – CMOS IC FROM 128K byte, RAM 10K byte on-chip 8-bit 1-chip Microcontroller with USB-host controller

LC87F14C8A
Continued from preceding page.
Pin Name
I/O
Description
Port 3
P30 to P34
I/O
• 5-bit I/O port
• I/O specifiable in 1-bit units
• Pull-up resistors can be turned on and off in 1-bit units.
• Pin functions
P30: UART1 transmit
P31: UART1 receive
P34: USB interface PLL filter pin (see Fig.5)
Port 7
P70 to P73
I/O
• 4-bit I/O port
• I/O specifiable in 1-bit units
• Pull-up resistors can be turned on and off in 1-bit units.
• Pin functions
P70: INT0 input/HOLD reset input/timer 0L capture input/watchdog timer output
P71: INT1 input/HOLD reset input/timer 0H capture input
P72: INT2 input/HOLD reset input/timer 0 event input/
timer 0L capture input / High speed clock counter input
P73: INT3 input (with noise filter) /timer 0 event input/timer 0H capture input
AD converter input port: AN8(P70), AN9(P71)
Interrupt acknowledge type
Rising
INT0
INT1
INT2
INT3
enable
enable
enable
enable
Falling
enable
enable
enable
enable
Rising &
Falling
disable
disable
enable
enable
H level
enable
enable
disable
disable
L level
enable
enable
disable
disable
PWM0
PWM1
UHD-
UHD+
RES
XT1
XT2
CF1
CF2
I/O
I/O
I/O
Input
Input
I/O
Input
Output
• PWM0 and PWM1 output port
• General-purpose input port
• USB data I/O pin UHD-
• General-purpose I/O port
• USB data I/O pin UHD+
• General-purpose I/O port
Reset pin
• 32.768 kHz crystal oscillator input pin
• Pin functions
General-purpose input port
AD converter input port: AN10
Must be connected to VDD1 if not to be used.
32.768 kHz crystal oscillator output pin
• Pin functions
General-purpose I/O port
AD converter input port: AN11
Must be set for oscillation and kept open if not to be used.
Ceramic resonator input pin
Ceramic resonator output pin
Option
Yes
No
No
No
No
No
No
No
No
No
No.A0402-9/26