ADM1025ARQZ ON Semiconductor, ADM1025ARQZ Datasheet - Page 18

• Manufacturer Part Number: ADM1025ARQZ
• Description: IC MONITOR SYS/VOLT 5CH 16QSOP
• Manufacturer: ON Semiconductor

Specifications of ADM1025ARQZ

• Applications: PC's, PDA's
• Interface: I²C
• Voltage - Supply: 3 V ~ 5.5 V
• Package / Case: 16-QSOP
• Mounting Type: Surface Mount
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

ADM1025/ADM1025A
REGISTERS
Table 8. Address POINTER Register
Bit
7–0
Table 9. List of Registers
Register Name
Configuration
Status Register 1
Status Register 2
VID Register
VID4 Register
Value and Limit
Company ID
Stepping
Register
Registers
Name
Address Pointer
Address
A7–A0
in Hex
40h
41h
42h
47h
49h
15–3Dh
3Eh
3Fh
R/ W
Write
Power On Value of
Registers: <7:0>
0000 1000
0000 0000
0000 0000
<7:4> = 0000, <3:0> = VID3–
VID0
<0> = VID4; Default = 1000
000 (VID4)
0100 0001
0010 (Bits 3:0 Version
Number)
Description
Address of ADM1025/
ADM1025A Registers. See
the tables below for detail.
Rev. P5 | Page 18 of 21| www.onsemi.com
Table 10. Register 40h – Configuration Register
Bit
0
1
2
3
4
5
6
7
Name
START
Reserved
Reserved
Reserved
RESET
+12/VID4
Select
Reserved
Initialization
R/ W
Read/Write
Read
Read
Read
Read/Write
Read/Write
Read
Read/Write
Preliminary Technical Data
Description
Logic 1 enables startup of
monitor ASIC, and Logic 0
places the ASIC in standby
mode. At startup, limit
checking functions and
scanning begins. Note, all
HIGH and LOW LIMITS should
be set into the ADM1025/
ADM1025A prior to turning
on this bit. (Power-up Default
= 0.)
Setting this bit generates a
minimum 20 ms low pulse on
Pin 16 if the function is
enabled.
Selects whether Pin 11 acts
as a 12 V analog input
monitoring pin, or as a VID[4]
input. This pin defaults to the
12 V analog input. (Default =
0.)
Logic 1 restores power-up
default values to the
Configuration Register and
Status Registers. This bit
automatically clears itself and
the power-on default is zero.