
1.5 Pin Functions
MB90580 series
Chapter 1: Overview
9
Table 1.5c Pin functions (3/4)
QFP
LQFP
Pin name
I/O Circuit
Function
45
43
P56
G
(CMOS/H)
General-purpose I/O port
AN6
Analog input pin (AN6) during A/D converter operation
SCK4
UART4 serial data output (SOT4) pin
46
44
P57
G
(CMOS/H)
General-purpose I/O port
AN7
Analog input pins (AN7) during A/D converter operation
27
25
C
0.1uf capacitor connection pin for voltage supply stabilization.
28
26
P71
F
(CMOS/H)
General-purpose I/O port
SOT3 pin when the SOE bit of the UMC register is ’1’
29
27
P72
F
(CMOS/H)
General-purpose I/O port
Clock input (SCK3) during UART1 operation in external shift clock mode
SCK3 pin when the SOE bit of the UMC register is ’1’
32
30
P73
H
(CMOS/H)
General-purpose I/O port
D/A output pin when the DAE0 bit of the D/A control register (DACR) is ’1’
DAO0
D/A output ’0’ pin during D/A converter operation
33
31
P74
F
(CMOS/H)
General-purpose I/O port
D/A output pin when the DAE1 bit of the D/A control register (DACR) is ’1’
DAO1
D/A output ’1’ pin during D/A converter operation
47
45
P80
F
(CMOS/H)
General-purpose I/O port
IRQ0
External interrupt request I/O 0
48
46
P81
F
(CMOS/H)
General-purpose I/O port
IRQ1
External interrupt request I/O 1
53
51
P82
F
(CMOS/H)
General-purpose I/O port
IRQ2
External interrupt request I/O 2
54
52
P83
F
(CMOS/H)
General-purpose I/O port
IRQ3
External interrupt request I/O 3
55
53
P84
F
(CMOS/H)
General-purpose I/O port
IRQ4
External interrupt request I/O 4
56
54
P85
F
(CMOS/H)
General-purpose I/O port
IRQ5
External interrupt request I/O 5
57
55
P86
F
(CMOS/H)
General-purpose I/O port
Always enabled (STBC)
IRQ6
External interrupt request I/O 6
58
56
P87
F
(CMOS/H)
General-purpose I/O port
Always enabled (STBC)
IRQ7
External interrupt request I/O 7
59
57
P60
D
(CMOS/H)
General-purpose I/O port
A pull-up resistor can be assigned (RD60=’1’) by using the pull-up resistor
setting register (RDR6). (D60=’1’: Invalid when set as output)
SIN2
UART2 serial data input (SIN2) pin
60
58
P61
D
(CMOS/H)
General-purpose I/O port
SOT1 pin when the SOE bit of the UMC register is ’1’
A pull-up resistor can be assigned (RD61=’1’) by using the pull-up resistor
setting register (RDR6). (D61=’1’: Invalid when set as output)
SOT2
UART2 serial data output (SOUT2) pin
61
59
P62
D
(CMOS/H)
General-purpose I/O port
Clock input (SCK2) during UART1 operation in external shift clock mode
SCK1 pin when the SOE bit of the UMC register is ’1’
A pull-up resistor can be assigned (RD62=’1’) by using the pull-up resistor
setting register (RDR6). (D62=’1’: Invalid when set as output)
SCK2
UART2 serial clock I/O (SCK2) pin