CD-K477W
– 60 –
ICD01 RH-iX0234AWZZ:System Microcomputer (IX0234AW) (2/2)
In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.
Port Name
Pin No.
Input/Output
Function
64-71
S32-S39
Input/Output
Fluorescent charcater display tube (VFD)display controller
Segment output
Dual-purrpose function
S32: High voltage withstand input port PE0
S33: High voltage withstand input port PE1
S34: High voltage withstand input port PE2
S35: High voltage withstand input port PE3
S36: High voltage withstand input port PE4
S37: High voltage withstand input port PE5
S38: High voltage withstand input port PE6
S39: High voltage withstand input port PE7
72
VDD4
—
Positive power terninal
73-80
S40-S47
Input/Output
Fluorescent charcater display tube (VFD)display controller
(76~78)*
Segment output
Dual-purrpose function
S40: High voltage withstand input port PF0
S41: High voltage withstand input port PF1
S42: High voltage withstand input port PF2
S43: High voltage withstand input port PF3
S44: High voltage withstand input port PF4
S45: High voltage withstand input port PF5
S46: High voltage withstand input port PF6
S47: High voltage withstand input port PF7
81-84
S48-S51
Input/Output
Fluorescent charcater display tube (VFD)display controller
Segment output
Dual-purrpose function
S48: High voltage withstand input port PG0
S49: High voltage withstand input port PG1
S50: High voltage withstand input port PG2
S51: High voltage withstand input port PG3
85-88
P00-P03
Input/Output
8-Bit input/output port. Input/output can be specified in 4-bit units.
HOLD release input. Port 0 interrupt input
N channel open output: 15V withstand rating
89
VSS2
—
Negative power terninal
90
VDD2
—
Positive power terninal
91-94
P04-P07
Input/Output
8-Bit input/output port. Input/output can be specified in 4-bit units.
HOLD release input. Port 0 interrupt input
N channel open output: 15V withstand rating
95-100
P10-P17
Input/Output
8-Bit input/output port. Input/output can be specified in 1-bit units
(98~100)*
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)