FEDL610Q439-3
LAPIS Semiconductor
ML610Q438/ML610Q439
19/36
V
DD
Positive power supply pin.
— —
V
DDL
Positive power supply pin (internally generated) for internal logic.
Capacitors CL0 and CL1 (see measuring circuit 1) are connected between
this pin and V
SS
.
— —
V
DDX
Plus-side power supply pin (internally generated) for low-speed oscillation.
Capacitor Cx (see measuring circuit 1) is connected between this pin and
V
SS
.
— —
V
PP
Power supply pin for programming Flash ROM. A pull-up resistor is
internally connected.
— —
FEDL610Q439-3
LAPIS Semiconductor
ML610Q438/ML610Q439
20/36
TERMINATION OF UNUSED PINS
Table 3 shows methods of terminating the unused pins.
Table 3 Termination of Unused Pins
Pin Recommended pin termination
V
PP
Open
AV
DD
V
SS
AV
SS
V
SS
V
REF
V
SS
AIN0, AIN1
Open
V
L1
, V
L2
, V
L3
, V
L4
Open
C1, C2, C3, C4
Open
RESET_N
Open
TEST
Open
NMI
Open
P00 to P07
V
DD
or V
SS
P10 to P11
V
DD
P20 to P22
Open
P30 to P35
Open
P40 to P47
Open
PA0 to PA5
Open
COM0 to 23
Open
SEG0 to 63
Open
Note:
It is recommended to set the unused input ports and input/output ports to the inputs with pull-down resistors/pull-up resistors or
the output mode since the supply current may become excessively large if the pins are left open in the high impedance input
setting.
The main difference points of ML610Q438 and ML610Q439
Table 4 The main difference points of ML610Q438 and ML610Q439.
Function ML610Q438 ML610Q439
LCD COM COM23 to COM0 COM15 to COM0
LCD SEG SEG55 to SEG0 SEG63 to SEG0
FEDL610Q439-3
LAPIS Semiconductor
ML610Q438/ML610Q439
21/36
ELECTRICAL CHARACTERISTICS
ABSOLUTE MAXIMUM RATINGS
(V
SS
= AV
SS
= 0V)
Parameter Symbol Condition Rating Unit
Power supply voltage 1
V
DD
Ta = 25C 0.3 to +4.6 V
Power supply voltage 2
AV
DD
Ta = 25C 0.3 to +4.6 V
Power supply voltage 3
V
PP
Ta = 25C 0.3 to +9.5 V
Power supply voltage 4
V
DDL
Ta = 25C 0.3 to +3.6 V
Power supply voltage 5
V
DDX
Ta = 25C 0.3 to +3.6 V
Power supply voltage 6
V
L1
Ta = 25C 0.3 to +1.75 V
Power supply voltage 7
V
L2
Ta = 25C 0.3 to +3.5 V
Power supply voltage 8
V
L3
Ta = 25C 0.3 to +5.25 V
Power supply voltage 9
V
L4
Ta = 25C 0.3 to +7.0 V
Input voltage
V
IN
Ta = 25C 0.3 to V
DD
+0.3 V
Output voltage
V
OUT
Ta = 25C 0.3 to V
DD
+0.3 V
Output current 1
I
OUT1
Port3–A, Ta = 25C 12 to +11 mA
Output current 2
I
OUT2
Port2, Ta = 25C 12 to +20 mA
Power dissipation
PD Ta = 25C 122 mW
Storage temperature
T
STG
 55 to +150 C
RECOMMENDED OPERATING CONDITIONS
(V
SS
= AV
SS
= 0V)
Parameter Symbol Condition Range Unit
ML610Q438/Q439 20 to +70 C
Operating temperature
T
OP
ML610Q438P/Q439P
V
DD
 1.1 to 3.6 V
Operating voltage
AV
DD
 2.2 to 3.6 AV
DD
V
DD
= 1.1 to 3.6V 30k to 36k
V
DD
= 1.3 to 3.6V 30k to 650k
Operating frequency (CPU)
f
OP
V
DD
= 1.8 to 3.6V 30k to 4.2M
Hz
Low-speed crystal oscillation
frequency
f
XTL
 32.768k Hz
C
DL
 0 to 12
Low-speed crystal oscillation
external capacitor
C
GL
 0 to 12
pF
High-speed crystal/ceramic
oscillation frequency
f
XTH
 4.0M / 4.096M Hz
C
DH
 24
High-speed crystal oscillation
external capacitor
C
GH
 24
pF
C
L0
 1.030%
Capacitor externally connected to
V
DDL
pin
C
L1
 0.130%
F
Capacitor externally connected to
V
DDX
pin
C
X
 0.130% F
Capacitors externally connected to
V
L1, 2, 3, 4
pins
C
a, b, c, d
 1.030% F
Capacitors externally connected
across C1 and C2 pins and across
C3 and C4 pins
C
12,
C
34
 1.030% F

ML610Q438P-NNNTC03A7

Mfr. #:
Manufacturer:
ROHM Semiconductor
Description:
8-bit Microcontrollers - MCU Low Power MCU; LCD 24x56, 128Kbyte ROM, LQFP144
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
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