Datasheet

LTC2945
21
2945fa
For more information www.linear.com/LTC2945
applicaTions inForMaTion
Table 1. LTC2945 Device Addressing
DESCRIPTION
HEX
DEVICE
ADDRESS BINARY DEVICE ADDRESS
LTC2945
ADDRESS
PINS
h a6 a5 a4 a3 a2 a1 a0 R/W ADR1 ADR0
Mass Write CC 1 1 0 0 1 1 0 0 X X
Alert Response 19 0 0 0 1 1 0 0 1 X X
0 CE 1 1 0 0 1 1 1 X H L
1 D0 1 1 0 1 0 0 0 X NC H
2 D2 1 1 0 1 0 0 1 X H H
3 D4 1 1 0 1 0 1 0 X NC NC
4 D6 1 1 0 1 0 1 1 X NC L
5 D8 1 1 0 1 1 0 0 X L H
6 DA 1 1 0 1 1 0 1 X H NC
7 DC 1 1 0 1 1 1 0 X L NC
8 DE 1 1 0 1 1 1 1 X L L
Table 2. LTC2945 Register Addresses and Contents
REGISTER
ADDRESS REGISTER NAME READ/WRITE DESCRIPTION DEFAULT
00h CONTROL (A) R/W Controls ADC Operation Mode and Test Mode 05h
01h ALERT (B) R/W Selects Which Faults Generate Alerts 00h
02h STATUS (C) R System Status Information 00h
03h FAULT (D) R/W Fault Log 00h
04h FAULT CoR (E) CoR Same Data as Register D, D Content Cleared on Read 00h
05h POWER MSB2 R/W** Power MSB2 Data XXh
06h POWER MSB1 R/W** Power MSB1 Data XXh
07h POWER LSB R/W** Power LSB Data XXh
08h MAX POWER MSB2 R/W** Maximum Power MSB2 Data 00h
09h MAX POWER MSB1 R/W** Maximum Power MSB1 Data 00h
0Ah MAX POWER LSB R/W** Maximum Power LSB Data 00h
0Bh MIN POWER MSB2 R/W** Minimum Power MSB2 Data FFh
0Ch MIN POWER MSB1 R/W** Minimum Power MSB1 Data FFh
0Dh MIN POWER LSB R/W** Minimum Power LSB Data FFh
0Eh MAX POWER THRESHOLD MSB2 R/W Maximum Power Threshold MSB2 to Generate Alert FFh
0Fh MAX POWER THRESHOLD MSB1 R/W Maximum Power Threshold MSB1 to Generate Alert FFh
10h MAX POWER THRESHOLD LSB R/W Maximum Power Threshold LSB to Generate Alert FFh
11h MIN POWER THRESHOLD MSB2 R/W Minimum Power Threshold MSB2 to Generate Alert 00h
12h MIN POWER THRESHOLD MSB1 R/W Minimum Power Threshold MSB1 to Generate Alert 00h
13h MIN POWER THRESHOLD LSB R/W Minimum Power Threshold LSB to Generate Alert 00h
14h ΔSENSE MSB R/W** ΔSENSE MSB Data XXh
15h ΔSENSE LSB R/W** ΔSENSE LSB Data X0h
16h MAX ΔSENSE MSB R/W** Maximum ΔSENSE MSB Data 00h