LC87F7932B Datasheet, PDF (11/29 Pages) Sanyo Semicon Device – 32K-byte FROM and 2048-byte RAM integrated 8-bit 1-chip Microcontroller

LC87F7932B
Pin Assignment
Pin name
I/O
VSS1, VSS2
-
VDD1, VDD2, V2
-
VDC
-
CUP1, CUP2
-
PORT0
I/O
P00 to P07
PORT1
I/O
P10/S24 to
P17/S31
PORT3
I/O
P30
PORT7
I/O
P70 to P73
Function
• Power supply (-)
• Power supply (+)
• Internal voltage
• Capacitor connecting terminals for step-up/step-down
• 8bit input/output port
• Data direction programmable for each bit
• Use of pull-up resistor can be specified for each bit individually
• Input for HOLD release
• Input for port 0 interrupt
• Other pin functions
P00: UART1-send
P01: UART1-receive
P04: System clock output (CKO)
P05: DBGP0 (LC87F7932B)
P06: T6O/DBGP1 (LC87F7932B)
P07: T7O/DBGP2 (LC87F77932B)
AD converter input ports: AN0 (P00) – AN4 (P04)
• 8bit input/output port
• Data direction programmable for each bit
• Use of pull-up resistor can be specified for each bit individually
• Other pin functions
P10: SIO0 data output
P11: SIO0 data input or bus input/output
P12: SIO0 clock input/output
P13: SIO1 data output
P14: SIO1 data input or bus input/output
P15: SIO1 clock input/output
P16: Timer 1 PWML output
P17: Timer 1 PWMH output/Buzzer output
Segment output for LCD: S24 (P10) – S31 (S17)
• 1bit Input/output port
• Data direction programmable
• Use of pull-up resistor can be specified
• 4bit Input/output port
• Data direction can be specified for each bit
• Use of pull-up resistor can be specified for each bit individually
• Other functions
P70: INT0 input/HOLD release input/Timer0L capture input/output for watchdog timer
P71: INT1 input/HOLD release input/Timer0H capture input
P72: INT2 input/HOLD release input/timer 0 event input/Timer0L capture input/NKIN
P73: INT3 input (noise rejection filter attached)/timer 0 event input/Timer0H capture input
AD converter input ports: AN5 (P70), AN6 (P71)
• Interrupt detection selection
Rising
Falling
Rising and falling
H level
L level
INT0
INT1
INT2
INT3
enable
enable
enable
enable
enable
enable
enable
enable
disable
disable
enable
enable
enable
enable
disable
disable
enable
enable
disable
disable
Option
No
No
No
No
Yes
Yes
Yes
No
Continued on next page.
No.A1841-11/29