UPD16488AP NEC [NEC], UPD16488AP Datasheet - Page 66

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

6.25 Power System Control Register 1 (R32)
Default settings (initial values set by reset command)
This command sets the µ PD16488A's power system mode.
HPM1, HPM0
TCS1, TCS0
OP2 to OP0
RS
D
66
1
0
7
Flag
Table 6-11. Detailed Description of Functions Controlled by Flags of Power System Control 1
/RD
D
E
1
0
6
These flags set the driver mode as shown in Table 6-9.
These flags set the value for selecting the V
These flags control the booster's ON/OFF status, the voltage regulator (V regulator) and voltage follower (V/F).
The functions controlled via these three bits by the power control setting command are listed in Table 6-11.
R,/W
/WR
D
0
−
5
OP2
OP1
OP0
Table 6-10. Selection V
TCS1
HPM1
0
0
1
1
D
D
0
7
4
Booster control flag
V regulator control flag
Voltage follower control flag
HPM1
TCS0
HPM0
0
1
0
1
0
0
1
1
D
D
0
6
3
Temperature gradient (%/°C)
Table 6-9. Driver Mode Setting
Item
HPM0
D
D
Data Sheet S15745EJ2V0DS
−
1
0
1
0
1
5
2
REG
−0.06
−0.08
−0.09
−0.12
Voltage's Temperature Curve Value
TCS1
Normal mode
Low-power mode
High-power mode
Power activation mode
D
D
1
REG
4
1
voltage's temperature curve, as shown in Table 6-10.
TCS0
Function
Mode Setting
D
D
1
3
0
OP2
D
V
2
REG
(TYP.) (V)
1.04
0.98
0.93
0.85
ON
ON
ON
OP1
1
D
1
Status
OP0
D
OFF
OFF
OFF
0
0
µ µ µ µ PD16488A