CD-C449W/K449W
– 54 –
ICF01 RH-iX0235AWZZ:System Microcomputer (IX0235AW)
1,2 P00-P01 Input/Output 8-Bit input/output port. Input/output can be specified in 4-bit units
HOLD release input. Port 0 interrupt input
3-10 P10-P17 Input/Output 8-Bit input/output port. Input/output can be specified in 1-bit units
Dual-purpose function
P10: SIO0 data output
P11: SIO0 data input input/bus input/output
P12: SIO0 clock input/output
P13: SIO1 data output
P14: SIO1 data input input/bus input/output
P15: SIO1 clock input/output
P16: BUZ output
P17: Timer 1 output (PWM output)
11 P70 Input/Output 6-Bit input port. Dual-purpose function
P70: INT0 input/HOLD release input/Nch-Tr. Output for watchdog timer
12 RES Input Reset terminal
13 XT1/P74 Input Input terminal for 32.768 KHz crystal oscillator
Connected to VDD when not used
Dual-purpose function
General-purpose input port P74
14 XT2/P75 Output Output terminal for 32.768 KHz crystal oscillator
Open when not use
Dual-purpose function
General-purpose input port P75
15 VSS1 — Negative power terninal
16 CF1 Input Intput terminal for ceramic oscillator
17 CF2 Output Output terminal for ceramic oscillator
18 VDD1 — Positive power terninal
19-26 P80-P87 Input 8-Bit input port. Dual-purpose function
AD input port (8 pcs.)
27-29 P71-73 Input 6-Bit input port. Dual-purpose function
P71: INT1 input/HOLD release input
P72: INT2 input/timer 0 event input
P73: INT3 input (input with noise filter)/ timer 0 event input
30-37 S0/PA0- Input/Output Segment output terminal for LCD display
S7/PA7 Usable as general-purpose input/output port (PA)
38-45 S8/PB0- Input/OUtput Segment output terminal for LCD display
S15PB7 Usable as general-purpose input/output port (PB)
46-53 S16/PC0- Input/Output Segment output terminal for LCD display
(48*,51*,53*)
S23/PC7 Usable as general-purpose input/output port (PC)
54,55 S24/PD0
-
Input/Output Segment output terminal for LCD display
(55*) S25/PD1 Usable as general-purpose input/output port (PD)
56 VDD2 — Positive power terninal
57 VSS2 — Negative power terninal
58-63 S26/PD2- Input/Output Segment output terminal for LCD display
(58*-60*) S31/PD7 Usable as general-purpose input/output port (PD)
64-71 S32/PE0- Input/Output Segment output terminal for LCD display
(66*) S39/PE7 Usable as general-purpose input/output port (PE)
72-79 S40/PF0- Input/Output Segment output terminal for LCD display
(74*,78*) S47/PF7 Usable as general-purpose input/output port (PF)
80-82 V1/PL4- Input Bias power terminal for LCD drive
V3/PL6 Usable as general-purpose input/output port (PL)
83-86 COM0/PL0- Input/Output Common output terminal for LCD display
COM3/PL3 Usable as general-purpose input/output port (PL)
87*,88* P30-P31 Input/Output 6-Bit input/output port. Input/output can be specified in 1-bit units
89 VSS3 — Negative power terninal
90 VDD3 — Positive power terninal
91-94 P32-P35 Input/Output 6-Bit input/output port. Input/output can be specified in 1-bit units
(94*)
95-100 P02-P07 Input/Output 8-Bit input/output port. Input/output can be specified in 4-bit units
(95*,96*,99*)
HOLD release input. Port 0 interrupt input
Port NamePin No.
In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.
Input/Output
Function
