FEDL610Q438-04

ML610Q438/ML610Q439

21/39

TERMINATION OF UNUSED PINS

Table 3 shows methods of terminating the unused pins.

Table 3

Termination of Unused Pins

Pin

Recommended pin termination

Open

AIN0, AIN1

Open

Open

C1, C2, C3, C4

Open

RESET_N

Open

TEST

Open

NMI

Open

P00 to P07

P10 to P11

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