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WM8310 Datasheet(PDF) 61 Page - Wolfson Microelectronics plc

Part # WM8310
Description  Processor Power Management Subsystem
PDF  291 Pages
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Manufacturer  WOLFSON [Wolfson Microelectronics plc]
Direct Link  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc

WM8310 Datasheet(HTML) 61 Page - Wolfson Microelectronics plc

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Pre-Production
WM8310
w
PP, May 2012, Rev 3.1
61
14.4.6
OTP CONTROL REGISTER
The OTP Control register (R16394) is defined in Table 27. Note that some of the OTP Programming
registers are locked by the WM8310 User Key. These registers can only be changed by writing the
appropriate code to the Security register, as described in Section 12.4.
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
R16394 (400Ah)
OTP Control
15
OTP_PROG
0
Selects the PROGRAM device state.
0 = No action
1 = Select PROGRAM mode
Note that, after PROGRAM mode has
been selected, the chip will remain in
PROGRAM mode until a Device Reset.
Protected by user key
13
OTP_MEM
1
Selects ICE or OTP memory for Program
commands.
0 = ICE
1 = OTP
Protected by user key
11
OTP_FINAL
0
Selects the FINALISE command,
preventing further OTP programming.
0 = No action
1 = Finalise Command
Protected by user key
10
OTP_VERIFY
0
Selects the VERIFY command for the
selected OTP memory page(s).
0 = No action
1 = Verify Command
Protected by user key
9
OTP_WRITE
0
Selects WRITE command for the
selected OTP memory page(s).
0 = No action
1 = Write Command
Protected by user key
8
OTP_READ
0
Selects READ command for the selected
memory page(s).
0 = No action
1 = Read Command
Protected by user key
7:6
OTP_READ_L
VL [1:0]
00
Selects the Margin Level for READ or
VERIFY OTP commands.
00 = Normal
01 = Reserved
10 = Margin 1
11 = Margin 2
Protected by user key
5
OTP_BULK
0
Selects the number of memory pages for
ICE / OTP commands.
0 = Single Page
1 = All Pages
1:0
OTP_PAGE
[1:0]
00
Selects the single memory page for ICE /
OTP commands (when OTP_BULK=0).
If OTP is selected (OTP_MEM = 1):
00 = Page 0
01 = Page 1
10 = Page 2
11 = Page 3



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