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MB90M405 F
2
MC-16LX FAMILY HARDWARE MANUAL
1-8
1.6
Pin Description
Tables 1-2, 1-3
and
1-4
list the pin name, function, circuit type, and reset-time state/function.
Table 1-2 Pin Description
Pin No.
QFP-100M06
Pin Name
Circuit
Type
State/function at
reset
Function
82, 83
77
X0, X1
RSTX
A
B
Oscillation state
Reset input
Oscillation input pins.
External reset input pin
This function is selected when the FL driver is enabled.
This function is selected when the LED driver is enabled.
This function is selected when the FL driver is enabled.
This function is selected when the LED driver is enabled.
FIP0 to FIP15
LED0 to LED15
FIP16
LED16
85 to 100
1
2 to 10
12 to 19
20 to 22
24 to 41
43 to 47
FIP17 to FIP33
C
FIP34 to FIP59
D
VKK Pull-down
output
Dedicated pins for the FL driver output.
P80
IC0
General-purpose I/O port
External trigger input pin for input capture 0
External factor input pin for external interrupt input 0
This pin is only accepted when it is enabled by the EN0 bit.
General-purpose I/O port
External trigger input pin for input capture 1
External factor input pin for external interrupt input 1
This pin is only accepted when it is enabled by the EN1 bit.
General-purpose I/O port
Serial data input pin for serial I/O channel 0
This pin is always effective when channel 0 is under input operation.
General-purpose I/O port
Serial clock I/O pin for serial I/O channel 0
This pin is effective when the channel-0 clock output is enabled.
52
INT0
P81
IC1
53
INT1
P82
54
SI0
P83
55
SC0
P84
General-purpose I/O port
56
SO0
Serial data output pin for serial I/O channel 0
This pin is effective when the channel-0 serial data output is
enabled.
General-purpose I/O port
Serial data input pin for serial I/O channel 1
This pin is always effective when channel 0 is under input operation.
General-purpose I/O port
Serial clock I/O pin for serial I/O channel 1
This pin is effective when the channel-0 clock output is enabled.
This pin is a general-purpose I/O port.
P85
57
SI1
P86
58
SC1
P87
59
SO1
Serial data output pin for serial I/O channel 1
This pin is effective when the channel-0 serial data output is
enabled.
P90
General-purpose I/O port (However, the N ch is open drain.)
Data I/O pin for the I
2
C interface. This function is effective when
operation of the I
2
C interface is enabled.
Also, set the port output to the Hi-Z state when operating the I
2
C
interface.
SDA
60
SO3
G
Hi-Z
Serial data output pin for serial I/O channel 3
This pin is effective when the channel-3 serial data output is
enabled.