UPD16488AP NEC [NEC], UPD16488AP Datasheet - Page 25

• Manufacturer Part Number: UPD16488AP
• Description: 1/92 DUTY LCD CONTROLLER/DRIVER WITH FOUR-LEVEL GRAY SCALE, ON-CHIP RAM
• Manufacturer: NEC [NEC]

In four-level gray scale display mode (GRAY = L, control register 2 (R1))
In black/white display mode (GRAY = H, control register 2 (R1))
gray scale
GRAY = L
Four-level
GRAY = H
Display
Display
Mode
Mode
B/W
1/81 to 1/92
1/81 to 1/92
1/1 to 1/80
1/1 to 1/80
Duty Ratio
Duty Ratio
Normal
Display
Normal
Display
Table 5-4. Setting of Division Level for Partial Display and Static Icon Display
Duty Ratio
Duty Ratio
Display
Display
Partial
Partial
1/38
1/25
1/12
1/38
1/25
1/12
1/38
1/25
1/12
1/38
1/25
1/12
1/38
1/25
1/12
1/38
1/25
1/12
1/38
1/25
1/12
1/38
1/25
1/12
1/38
1/25
1/12
1/38
1/25
1/12
1/38
1/25
1/12
1/38
1/25
1/12
1/38
1/25
1/12
1/38
1/25
1/12
1/38
1/25
1/12
1/38
1/25
1/12
Division
/OSC
Division
/OSC
Source
OSC
OSC
OSC
OSC
OSC
OSC
OSC
Source
OSC
OSC
OSC
OSC
OSC
OSC
OSC
IN1
IN1
IN2
IN1
IN1
IN2
IN1
IN1
IN1
IN2
IN1
IN1
IN2
IN1
IN2
IN2
ON/OFF
ON/OFF
L(OFF)
L(OFF)
L(OFF)
L(OFF)
L(OFF)
L(OFF)
L(OFF)
L(OFF)
Divider
H(ON)
H(ON)
H(ON)
H(ON)
Divider
H(ON)
H(ON)
H(ON)
H(ON)
CLS
CLS
Data Sheet S15745EJ2V0DS
Normal/Partial
Normal/Partial
Select DTY
Select DTY
L (Normal)
L (Normal)
L (Normal)
L (Normal)
H (Partial)
H (Partial)
H (Partial)
H (Partial)
Division
Division
Partial
Partial
Ratio
Ratio
1/1
1/1
1/2
1/2
1/2
1/4
1/1
1/1
1/2
1/2
1/4
1/8
1/1
1/1
1/2
1/2
1/2
1/4
1/1
1/1
1/2
1/2
1/4
1/8
Partial frame frequency: f
Partial frame frequency: f
Partial frame frequency: f
Partial frame frequency: f
Partial frame frequency: f
Partial frame frequency: f
Partial frame frequency: f
Partial frame frequency: f
Partial frame frequency: f
Partial frame frequency: f
Partial frame frequency: f
Partial frame frequency: f
Partial frame frequency: f
Partial frame frequency: f
Partial frame frequency: f
Partial frame frequency: f
Partial frame frequency: f
Partial frame frequency: f
Partial frame frequency: f
Partial frame frequency: f
Partial frame frequency: f
Partial frame frequency: f
Partial frame frequency: f
Partial frame frequency: f
OSCIN2
OSCIN2
OSCIN2
OSCIN1
OSCIN1
OSCIN1
OSCIN2
OSCIN2
OSCIN2
OSCIN1
OSCIN1
OSCIN1
OSCIN2
OSCIN2
OSCIN2
OSCIN1
OSCIN1
OSCIN1
OSCIN2
OSCIN2
OSCIN2
OSCIN1
OSCIN1
OSCIN1
Comments
Comments
/8 /38
/8 /25
/2(division ratio) /8 /12
/2(division ratio) /8 /38
/2(division ratio) /8 /25
/4(division ratio) /8 /12
/8 /38
/8 /25
/2(division ratio) /8 /12
/2(division ratio) /8 /38
/4(division ratio) /8 /25
/8(division ratio) /8 /12
/4 /38
/4 /25
/2(division ratio) /4 /12
/2(division ratio) /4 /38
/2(division ratio) /4 /25
/4(division ratio) /4 /12
/4 /38
/4 /25
/2(division ratio) /4 /12
/2(division ratio) /4 /38
/4(division ratio) /4 /25
/8(division ratio) /4 /12
PD16488A
25