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67
Pin Functions
Chapter 2
Preliminary User’s Manual U17566EE1V2UM00
MVSS50 to
MVSS54
–
External memory interface supply
ground
–
no ports
NMI
I
Non-maskable interrupt
P00
RD
I/O
External memory interface read
strobe
–
no ports
REGC0 to REGC2
–
External capacitor connection
no ports
RESET
I
Reset input
no ports
RXDA0
I
UARTA0 receive data
P31, P87
RXDA1
I
UARTA1 receive data
P33, P56
SCKB0
I/O
Clocked Serial Interface CSIB0
clock line
P42, P107
SCKB1
I/O
Clocked Serial Interface CSIB1
clock line
P45
SCKB2
I/O
Clocked Serial Interface CSIB2
clock line
–
P82
SCL0
I/O
I
2
C0 clock line
P17, P64
SCL1
I/O
I
2
C1 clock line
P21, P31
SDA0
I/O
I
2
C0 data line
P16, P65
SDA1
I/O
I
2
C1 data line
P20, P30
SEG0 to SEG7
O
LCD segment lines 0 to 39
P20 to P27
–
SEG8 to SEG11
P34 to P37
SEG12 to SEG19
P60 to P67
SEG20 to SEG22
P45 to P43
SEG23 to SEG26
P83 to P80
SEG27
P85
SEG28
P87
SEG29
P33
SEG30
P86
SEG31
P32
SEG32 to SEG35
P107 to P104
SEG36 to SEG39
P90 to P93
SGO
O
Sound Generator output
P51
SGOA
O
Sound Generator amplitude PWM
output
P50
SIB0
I
Clocked Serial Interface CSIB0
data input
P40, P105
SIB1
I
Clocked Serial Interface CSIB1
data input
P43
SIB2
I
Clocked Serial Interface CSIB2
data input
–
P80
SM11
O
Stepper motor 1 output sin +
P110
SM12
O
Stepper motor 1 output sin –
P111
SM13
O
Stepper motor 1 output cos +
P112
Table 2-20
Alphabetic pin functions list (3/5)
Pin name
I/O
Pin function
Port
‘3420, ‘3421
‘3422, ‘3423
‘3424, ‘3425
‘3426
‘3427
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