LC87F1HC4A Datasheet, PDF (9/27 Pages) Sanyo Semicon Device – CMOS IC 128K-byte FROM and 12288-byte RAM integrated 8-bit 1-chip Microcontroller with USB-host controller

LC87F1HC4A
Continued from preceding page.
Pin Name
I/O
Description
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 (input with noise filter)/timer 0 event input/timer 0H capture input/
IR remote controller receiver input
AD converter input ports: AN8(P70), AN9(P71)
Interrupt acknowledge types
Rising
Falling
Rising &
Falling
H level
L level
INT0
enable
enable
disable
enable
enable
INT1
enable
enable
disable
enable
enable
INT2
enable
enable
enable
disable
disable
INT3
enable
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, PWM1 output port
General-purpose input port
• Pin functions
PWM0: Audio interface master clock output
PWM1: Audio interface master clock input
USB data I/O pin UHD-/general-purpose I/O port
USB data I/O pin UHD+/general-purpose I/O port
Reset pin
• 32.768kHz crystal oscillator input
• Pin functions
General-purpose input port
AD converter input ports: AN10
Must be connected to VDD1 when not to be used.
• 32.768kHz crystal oscillator output
• Pin functions
General-purpose I/O
AD converter input port: AN11
Must be set for oscillation and kept open if not to be used.
Ceramic/crystal resonator input
Ceramic/crystal resonator output
Option
No
No
No
No
No
No
No
No
No
No.A0955-9/27