IC-MU_17 Datasheet, PDF (53/66 Pages) IC-Haus GmbH – MAGNETIC OFF-AXIS POSITION ENCODER - POLE WIDTH 1.28MM

iC-MU MAGNETIC OFF-AXIS
POSITION ENCODER - POLE WIDTH 1.28MM
Address sections/Register protection level
Register access can be restricted via RPL (see Table
93). RPL = 0x2/0x3 selects a shipping mode with lim-
ited access which can be set back to RPL = 0x0. To set
back RPL the content of Bank: 0, Addr. SER: 0x17 has
to be written to RPL_RESET.
RPL(1:0)
Code
0x0
0x1
0x2
0x3
Addr. 0x17; bit 7:6
Mode
Access restriction
Configuration mode, no RP0
restrictions
Shipping mode, without RP1
command I2C_COM,
reset is not possible
Shipping mode, with
RP1
command I2C_COM,
reset to RP0 possible
Shipping mode, without RP1
command I2C_COM,
reset to RP0 possible
Table 93: Register access control
RPL_RESET(7:0) Addr. SER:0x5A; bit 7:0
Code
Description
0x00
...
Set back value for RPL
0xFF
Table 94: Set back value for RPL
Sections CONF, EDS and USER are protected at differ-
ent levels in shipping mode for read and write access
(see Figure 47).
RPL(1:0)
RPL*
RP0
RP1
Note
Addr. 0x17; bit 7:6
Section
CONF
EDS
USER
r/w
r/w
r/w
n/a
r
r/w
*) RPL: Register Protection Level
n/a: iC-MU denies access to those register
addresses
r: Registers are readable
w: Registers are writeable
Table 95: Register Read/Write Protection Levels
Rev D1, Page 53/66
address-space visible via serial interface with
register protection level RP1
CONF
EDS
USER
ADR.
SER
0x00
bank 0
...
bank 1-4
...
bank 5-31
0x3F
0x40
0x41
0x47
0x48
0x4C
0x4D
0x51
0x52
0x59
0x5A
0x6F
0x70
0x72
0x73
0x74
0x75
0x77
0x78
0x7F
0x80
0xBF
n/a
r _...
BANKSEL
EDSBANK
profile ID
serial number
OFF_x
PRES_x
SPO_x
SPECIAL REGISTERS
RESERVED
EVENT_CNT
HARD_REV
CMD/STATUS
BiSS ID
RESERVED
r/w _. . ^.
r/w
selects
r
n/a
r/w
n/a
r/w
n/a
r
r/w
r
n/a :not available
r :readable
n/a w :writeable
Figure 47: Principle of bank-wise memory address-
ing and access restrictions with register
protection level RP1