73M1903-IM/F Maxim Integrated Products, 73M1903-IM/F Datasheet - Page 8

• Manufacturer Part Number: 73M1903-IM/F
• Description: IC MODEM AFE V.22BIS 32-QFN
• Manufacturer: Maxim Integrated Products

Specifications of 73M1903-IM/F

• Number Of Channels: 2
• Voltage - Supply, Analog: 3 V ~ 3.6 V
• Voltage - Supply, Digital: 3 V ~ 3.6 V
• Package / Case: 32-VFQFN Exposed Pad
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power (watts): -
• Number Of Bits: -

described in detail in the following sections.
73M1903 Data Sheet
2 Control and Status Registers
Table 2 shows the memory map of addressable registers in the 73M1903. Each register and its bits are
Address Default Bit 7
00
01
02
03
04
05
06
07
08
09
0A
0B
0C
0D
0E
0F-7F
To prevent unintended operation, do not write to reserved or unused locations. These locations are for
factory test or future use only and are not intended for customer programming.
8
08h
00h
FFh
FFh
00h
00h
10h
00h
00h
0Ah
22h
12h
00h
C0h
00h
Reserved Reserved
Reserved Reserved
ENFE
TMEN
GPIO7
DIR7
Rev3
Unused Reserved Reserved Reserved Reserved Reserved Reserved Reserved
Pseq7
Prst2
Ichp3
Unused Ndvsr6
Nseq7
Xtal1
Frcvco
Unused Unused
Bit 6
Unused
DIGLB
GPIO 6
DIR6
Rev2
Pseq6
Prst1
Ichp2
Nseq6
Xtal0
PwdnPLL
Bit 5
TXBST1
ANALB
GPIO 5
DIR5
Reserved Reserved Reserved Reserved Reserved Reserved
Reserved Reserved Reserved Reserved Reserved Reserved
Rev1
Pseq5
Prst0
Ichp1
Ndvsr5
Nseq5
Reserved Reserved Unused
Reserved Unused
Unused
Table 2: Memory Map
Bit 4
TXBST0 TXDIS
INTLB
GPIO 4
DIR4
Rev0
Pseq4
Pdvsr4
Ichp0
Ndvsr4
Nseq4
Unused
Bit 3
Reserved RXPULL SPOS
GPIO 3
DIR3
Unused
Pseq3
Pdvsr3
FL
Ndvsr3
Nseq3
Unused
Unused
Bit 2
RXG1
GPIO 2
DIR2
Reserved Reserved Reserved
Pseq2
Pdvsr2
Kvco2
Ndvsr2
Nseq2
Nrst2
Unused
Unused
Bit 1
RXG0
GPIO 1
DIR1
Pseq1
Pdvsr1
Kvco1
Ndvsr1
Nseq1
Nrst1
Unused
Unused
DS_1903_032
Bit 0
RXGAIN
HC
GPIO 0
DIR0
Pseq0
Pdvsr0
Kvco0
Ndvsr0
Nseq0
Nrst0
Unused
Unused
Rev. 2.1