LC87F1JJ8B Datasheet, PDF (10/28 Pages) Sanyo Semicon Device – 8-bit 1-chip Microcontroller with USB-host controller

LC87F1JJ8B
Continued from preceding page.
Pin Name
I/O
Description
Port 7
P70 to P73
I/O
• 4-bit I/O ports
• 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 release input/timer 0L capture input/watchdog timer output
P71: INT1 input/HOLD release input/timer 0H capture input
P72: INT2 input/HOLD release 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/
infrared remote control 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
Option
No
PWM0
I/O
PWM0, PWM1 output ports
No
PWM1
General-purpose input port
• Pin functions
PWM0: Audio interface master clock output
PWM1: Audio interface master clock input
UHD-
I/O
USB data I/O pin UHD-/general-purpose I/O port
No
UHD+
I/O
USB data I/O pin UHD+/general-purpose I/O port
No
RES
I
Reset pin
No
XT1
I
• 32.768kHz crystal oscillator input
No
• Pin functions
General-purpose input port
AD converter input port: AN10
Must be connected to VDD1 when not to be used.
XT2
I/O
• 32.768kHz crystal oscillator output
No
• Pin functions
General-purpose input port
AD converter input port: AN11
Must be configured for oscillation and kept open if not to be used.
CF1
I
Ceramic/crystal resonator input
No
CF2
O
Ceramic/crystal resonator output
No
Port Output Types
The table below lists the types of port outputs and the presence/absence of a pull-up resistor.
Data can be read into any input port even if it is in the output mode.
Port Name
P00 to P07
Option Selected
in Units of
1 bit
Option Type
1
CMOS
Output Type
Pull-up Resistor
Programmable (Note 1)
2
Nch-open drain
No
P10 to P17
P20 to P27
P30 to P34
P70
1 bit
1
CMOS
2
Nch-open drain
-
No
Nch-open drain
Programmable
Programmable
Programmable
P71 to P73
-
No
CMOS
Programmable
PWM0, PWM1
-
No
CMOS
No
UHD+, UHD-
-
No
CMOS
No
XT1
-
No
Input only
No
XT2
-
No
32.768kHz crystal resonator output (Nch-open drain No
when in general-purpose output mode)
Note 1: Programmable pull-up resistors for port 0 are controlled in 4 bit units (P00 to 03, P04 to 07).
No.A1538-10/28