HT46R64/HT46C64

Rev. 1.40

28

September 21, 2004

Options

Time Base time-out period selection.

The Time Base time-out period ranges from 2

S

Buzzer output frequency selection.

tions.

Wake-up selection.

This option defines the wake-up capability. External I/O pins (PA only) all have the capability to wake-up the chip

from a HALT by a falling edge (bit option).

Pull-high selection.

This option is to decide whether the pull-high resistance is visible or not in the input mode of the I/O ports. PA, PB and

PD can be independently selected (bit option).

I/O pins share with other function selections.

PA0/BZ, PA1/BZ: PA0 and PA1 can be set as I/O pins or buzzer outputs.

LCD common selection.

There are three types of selections: 2 common (1/2 duty) or 3 common (1/3 duty) or 4 common (1/4 duty). If the 4

common is selected, the segment output pin

²SEG40² will be set as a common output.

LCD bias power supply selection.

There are two types of selections: 1/2 bias or 1/3 bias

LCD bias type selection.

This option is to determine what kind of bias is selected, R type or C type.

LCD driver clock frequency selection.

lection by options.

LCD ON/OFF at HALT selection

LCD Segments as logical output selection, (byte, bit, bit, bit, bit, bit, bit, bit, bit option)

[SEG0~SEG7], SEG8, SEG9, SEG10, SEG11, SEG12, SEG13, SEG14 or SEG15

LVR selection.

LVR has enable or disable options

LVD selection.

LVD has enable or disable options

PFD selection.

If PA3 is set as PFD output, there are two types of selections; One is PFD0 as the PFD output, the other is PFD1 as

the PFD output. PFD0, PFD1 are the timer overflow signals of the Timer/Event Counter 0, Timer/Event Counter 1 re-

spectively.

PWM selection: (7+1) or (6+2) mode

PD0: level output or PWM0 output

PD1: level output or PWM1 output

PD2: level output or PWM2 output

PD3: level output or PWM3 output

INT0 or INT1 trigger edge selection: disable; high to low; low to high; low to high or high to low

LCD bias current selection: low/high driving current (for R type only).