MB89160/160A Series
■ PIN DESCRIPTION
Pin no.
Circuit
type
SQFP*1
MQFP*3
Pin name
Function
QFP*2
QFP*4
16
15
18
17
19
18
17
20
19
21
X0
X1
A
Main clock crystal oscillator pins
CR oscillation selectability (mask products only)
MOD0
MOD1
RST
C
D
Operating mode selection pins
Connect directly to VSS.
Reset I/O pin
This pin is an N-ch open-drain output type with a
pull-up resistor, and a hysteresis input type. “L” is
output from this pin by an internal reset source. The
internal circuit is initialized by the input of “L”.
20 to 27
28 to 31
22 to 29
30 to 33
P00/INT20 to
P07/INT27
E
E
General-purpose I/O ports
Also serve as an external interrupt 2 input (wake-up
function).
External interrupt 2 input is hysteresis input.
P10/INT10 to
P13/INT13
General-purpose I/O ports
Also serve as an external interrupt 1 input. External
interrupt 1 input is hysteresis input.
32 to 35
36
34 to 37
38
P14 to P17
P20/EC
F
General-purpose I/O ports
H
N-ch open-drain general-purpose I/O port
Also serves as the external clock input for the timer.
The peripheral is a hysteresis input type.
37
38
39
40
P21
I
I
N-ch open-drain general-purpose I/O port
P22/TO
N-ch open-drain general-purpose I/O port
Also serves as a timer output.
39
41
P23/SI
H
N-ch open-drain general-purpose I/O port
Also serves as the data input for the serial I/O. The
peripheral is a hysteresis input type.
40
41
42
43
P24/SO
I
N-ch open-drain general-purpose I/O port
Also serves as the data output for the serial I/O.
P25/SCK
H
N-ch open-drain general-purpose I/O port
Also serves as the clock I/O for the serial I/O. The
peripheral is a hysteresis input type.
42
43
44
45
P26
I
I
N-ch open-drain general-purpose I/O port
P27/PWM2
N-ch open-drain general-purpose I/O port
Also serves as the square wave or PWM wave
output for the 8-bit PWM timer 2.
49
51
P33
C0
J
Functions as an N-ch open-drain general-purpose
output port only in the products without a booster.
—
Functions as a capacitor connection pin in the
products with a booster.
(Continued)
*1: FPT-80P-M05
*2: FPT-80P-M11
*3: MQP-80C-P01
*4: FPT-80P-M06
10
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