Owner manual

CS2100-CP
24 DS840F2
6.3 Memory Address Pointer
The Memory Address Pointer (MAP) byte comes after the address byte and selects the register to be read
or written. Refer to the pseudocode above for implementation details.
6.3.1 Map Auto Increment
The device has MAP auto increment capability enabled by the INCR bit (the MSB) of the MAP. If INCR is
set to 0, MAP will stay constant for successive I²C writes or reads and SPI writes. If INCR is set to 1, MAP
will auto increment after each byte is read or written, allowing block reads or writes of successive regis-
ters.
7. REGISTER QUICK REFERENCE
This table shows the register and bit names with their associated default values.
EnDevCfg1 and EnDevCfg2 bits must be set to 1 for normal operation.
WARNING: All “Reserved” registers must maintain their default state to ensure proper functional operation.
Adr Name 7 6 5 4 3 2 1 0
01h
Device ID Device4 Device3 Device2 Device1 Device0 Revision2 Revision1 Revision0
p25
00000 x xx
02h
Device Ctrl Unlock Reserved Reserved Reserved Reserved Reserved AuxOutDis ClkOutDis
p25
xxx00000
03h
Device Cfg 1 RModSel2 RModSel1 RModSel0 Reserved Reserved AuxOutSrc1 AuxOutSrc0 EnDevCfg1
p26
000000 00
05h
Global Cfg Reserved Reserved Reserved Reserved Freeze Reserved Reserved EnDevCfg2
p27
000000 00
06h
-
09h
32-Bit Ratio
MSB ........................................................................................................................... MSB-7
MSB-8 ........................................................................................................................... MSB-15
LSB+15 ........................................................................................................................... LSB+8
LSB+7 ...........................................................................................................................LSB
16h
Funct Cfg 1 ClkSkipEn AuxLockCfg Reserved RefClkDiv1 RefClkDiv0 Reserved Reserved Reserved
p28
000000 00
17h
Funct Cfg 2 Reserved Reserved Reserved ClkOutUnl LFRatioCfg Reserved Reserved Reserved
p29
000000 00
1Eh
Funct Cfg 3 Reserved ClkIn_BW2 ClkIn_BW1 ClkIn_BW0 Reserved Reserved Reserved Reserved
p29
000000 00