hd66717 Renesas Electronics Corporation., hd66717 Datasheet - Page 84

• Manufacturer Part Number: hd66717
• Description: Low-power Dot-matrix Liquid Crystal Display Controller/driver -
• Manufacturer: Renesas Electronics Corporation.

HD66717
6. The TEST pin must be grounded and the ID5 to ID0, IM1, IM0, SFT, EXM, and OPOFF pins must
7. Applies to the ACK bit for I
8. Applies to resistor values (RCOM) between power supply pins V
9. This excludes the current flowing through pull-up MOSs and output drive MOSs.
10. This excludes the current flowing through the input/output units. The input level must be fixed high or
11. The following shows the relationship between the operation frequency (f
12. Each COM and SEG output voltage is within ±0.15V of the LCD voltage (V
13. Applies to the external clock input (Figure 48).
536
be grounded or connected to V
common signal pins (COM1 to COM32, COMS1, and COMS2), and resistor values (RSEG) between
power supply pins V
low because through current increases if the CMOS input is left floating.
(I
when there is no load.
CC
) (Figure 47).
Figure 47 Relationship between the Operation Frequency and Current Consumption
40
30
20
10
Oscillator
0
0
Open
CR oscillator frequency
1/10
duty
50
1/18
duty
V
CC
100 150
OSC1
OSC2
CC
, V2OUT, V3OUT, V5OUT and segment signal pins (SEG1 to SEG60).
1/26
duty
= 3V
1/34
duty
2
C bus interface.
200 250
CC
0.7V
0.5V
0.3V
Figure 48 External Clock Supply
Standby (typ.)
.
Display on (typ.)
Sleep (typ.)
CC
CC
CC
t
rcp
80
60
40
20
Th
0
Liquid crystal drive voltage : VLCD (V)
3
t
fcp
4
Tl
5
VREF=VREFP Short-circuited
6
V
CC
CC
7
= 3V
VREF left disconnected
, V1OUT, V4OUT, V5OUT and
8
Duty =
VREF=VREFP=VRERM
Short-circuited
OSC
9
VREF–VREFM
Short-circuited
) and current consumption
CC
10
Th+Tl
Th
, V1, V2, V3, V4, V5)
11
X
100%