AT73C237 Atmel, AT73C237 Datasheet - Page 32

• 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

ii
AT73C237
10 Registers ................................................................................................. 26
11 Package Information .............................................................................. 29
12 Ordering Information ............................................................................. 30
13 Revision History ..................................................................................... 31
Table of Contents....................................................................................... i
9.6
9.7
9.8
9.9
9.10
9.11
9.12
9.13
10.1
10.2
10.3
Low Power Bandgap (LPBG) ..........................................................................22
Reset Generator ..............................................................................................22
State Machine ..................................................................................................23
Oscillator ..........................................................................................................23
Power-On-Reset ..............................................................................................23
Supply Monitor .................................................................................................23
Digital Control ..................................................................................................23
Two-wire Interface (TWI) Protocol ...................................................................24
LDO Control: LDO_CTRL (0x00) .....................................................................26
LDO 1,2,3 trim: LDO_TRIM1 (0x08) ................................................................26
LDO 4 trim: LDO_TRIM4 (0x0A) .....................................................................27
6362A–PMAAC–01-Jul-08