
1.5 Pin Functions
8
Chapter 1: Overview
MB90580 series
Table 1.5b Pin functions (2/4)
QFP
LQFP
Pin name
I/O Circuit
Function
19
17
P41
E
(CMOS/H)
General-purpose I/O port
SOT0 pin when the SOE bit of the UMC register is ’1’
Open drain output port when OD41 of the open drain control setting regis-
ter (ODR4) is set to ’1’ (D41=’0’: Invalid when set as input)
SOT0
UART0 serial data output (SOT0) pin
20
18
P42
E
(CMOS/H)
General-purpose I/O port
SOT0 pin when the SOE bit of the UMC register is ’1’
Open drain output port when OD41 of the open drain control setting regis-
ter (ODR4) is set to ’1’ (D41=’0’: Invalid when set as input)
SCK0
UART0 serial clock I/O (SCK0) pin
21
19
P43
E
(CMOS/H)
General-purpose I/O port
Serial input (SIN1) during extended I/O serial operation
Open drain output port when OD43 of the open drain control setting regis-
ter (ODR4) is set to ’1’ (D43=’0’: Invalid when set as input)
SIN1
UART1 serial data input (SIN1) pin
22
20
P44
E
(CMOS/H)
General-purpose I/O port
SOT1 pin when the SOE bit of the UMC register is ’1’
Open drain output port when OD44 of the open drain control setting regis-
ter (ODR4) is set to ’1’ (D44=’0’: Invalid when set as input)
SOT1
UART1 serial data output (SOT1) pin
24
22
P45
E
(CMOS/H)
General-purpose I/O port
Clock input (SCK1) during extended I/O serial operation in external shift
clock mode SCK1 pin when the SOE bit of the UMC register is ’1’
Open drain output port when OD45 of the open drain control setting regis-
ter (ODR4) is set to ’1’ (D45=’0’: Invalid when set as input)
SCK1
UART1 serial clock I/O (SCK1) pin
25
23
P46
E
(CMOS/H)
General-purpose I/O port
Open drain output port when OD46 of the open drain control setting regis-
ter (ODR4) is set to ’1’ (D46=’0’: Invalid when set as input)
ADTG
A/D converter external trigger input pin
26
24
P47
E
(CMOS/H)
General-purpose I/O port
Open drain output port when OD47 of the open drain
control setting register (ODR4) is set to ’1’ (D47=’0’: Invalid when set as
input)
38
36
P50
G
(CMOS/H)
General-purpose I/O port
AN0
Analog input pin (AN0) during A/D converter operation
SIN3
UART3 serial data input (SIN3) pin
39
37
P51
G
(CMOS/H)
General-purpose I/O port
AN1
Analog input pin (AN1) during A/D converter operation
SOT3
UART3 serial data output (SOT3) pin
40
38
P52
G
(CMOS/H)
General-purpose I/O port
AN2
Analog input pin (AN2) during A/D converter operation
SCK3
UART3 serial data output (SOT3) pin
41
39
P53
G
(CMOS/H)
General-purpose I/O port
AN3
Analog input pins (AN3) during A/D converter operation
43
41
P54
G
(CMOS/H)
General-purpose I/O port
AN4
Analog input pin (AN4) during A/D converter operation
SIN4
UART4 serial data input (SIN4) pin
44
42
P55
G
(CMOS/H)
General-purpose I/O port
AN5
Analog input pin (AN5) during A/D converter operation
SOT4
UART4 serial data output (SOT4) pin