AT73C237 Atmel, AT73C237 Datasheet - Page 26

• Manufacturer Part Number: AT73C237
• Description: IC POWER MANAGEMENT UNIT 16QFN
• Manufacturer: Atmel

Specifications of AT73C237

• Applications: Wireless
• Current - Supply: 250µA
• Voltage - Supply: 2.8 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 16-QFN
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

10. Registers
10.1
10.2
26
LDO Control: LDO_CTRL (0x00)
LDO 1,2,3 trim: LDO_TRIM1 (0x08)
AT73C237
Table 10-1.
Table 10-2.
Table 10-3.
Address
0×00
0×08
0×0A
7
-
Bit
7:4
3
2
1
0
7
-
Bit
7:5
4
3
2:1
0
6
-
6
-
Registers
LDO_CTRL (0x00) Structure
LDO_TRIM1 (0x08) Structure
Register
LDO_CTRL
LDO_TRIM1
LDO_TRIM4
Name
-
Onldo4
Onldo3
Onldo2
Onldo1
Name
-
Sel1
Sel2
Sel3
-
5
-
5
-
Description
Not used
LDO4 enable (active high, HiZ when off)
LDO3 enable (active high, HiZ when off)
LDO2 enable (active high, HiZ when off)
LDO1 enable (active high, HiZ when off)
Description
Not used
LDO1 output voltage select
LDO2 output voltage select
LDO3 output voltage select
Not used
Description
LDO control
LDO 1,2,3 trim
LDO4 trim
4
Sel1
4
-
3
Sel2
3
Onldo4
Access
Read / Write
Read / Write
Read / Write
2
Sel3
2
Onldo3
1
1
Onldo2
6362A–PMAAC–01-Jul-08
Reset value
0x0F
0x00
0x00
Reset value
-
1
1
1
1
Reset value
-
0
0
00
-
0
-
0
Onldo1