CP2400 SILABS [Silicon Laboratories], CP2400 Datasheet - Page 59

• Manufacturer Part Number: CP2400
• Description: 128/64 SEGMENT LCD DRIVER
• Manufacturer: SILABS [Silicon Laboratories]

SFR Definition 9.5. MSCF: Master Configuration Register
Address = 0xA1
Note: When the band gap is configured for low power mode with loose voltage regulation, the LCD0CF register should be
Name
Reset
7:6
5:1
Bit
Type
0
Bit
adjusted so that charge pump cycles occur at least once every 2 ms.
BGMD[1:0] Band Gap Power Mode.
Reserved
CPBYP
Name
R/W
7
0
BGMD[1:0]
00: Band Gap is in Normal Power Mode.
01: Reserved.
10: Band Gap is configured for low power with loose voltage regulation
(required setting for Shutdown Mode).
11: Band Gap is configured for low power with tight voltage regulation.
Read = Varies. Must write 00000b.
Charge Pump Bypass.
When set to 1, the charge pump is bypassed and disabled. VDD is used as the VLCD supply
voltage.
R/W
6
0
Reserved
R/W
5
0
Reserved
Rev. 1.0
R/W
4
0
Reserved
Function
R/W
3
0
Reserved
R/W
2
0
CP2400/1/2/3
Reserved
R/W
1
0
CPBYP
R/W
0
0
59