GMS30C7201 Datasheet, PDF (288/352 Pages) Hynix Semiconductor – 60MHz operation frequency Low power consumption

Slow AMBA Peripherals
RXDR (Receive Data Register) is a 32-bit read-only register, in which receive data is stored.
Reads from this register will give the data stored in the receive FIFO. All the bits in this register
are initialized to 0 at reset.
Bit
Name
31:0
data
Function
Receive data
Table 13-42: RXDR bit functions
CR (Control Register) is an 8-bit read/write register, which is used to control the AFE interface.
All the bits in this register are initialized to 0 at reset.
Bit
Name
Function
7
PWDN
Power down mode
0 : Power down mode (initial value)
Stops codec signals (SCLK, SDFS)
1 : Normal mode
6
LOOP
Internal Loopback mode
0 : Normal mode (initial value)
1 : Loopback mode
5
TREN
Transmit /Receive Enable
0 : disable
1 : enable
4
SCDS
Serial Control/ Data output select
0 : Serial Data output (initial value)
1 : Serial Control output
3
RLYEN
RLY output value
0 : RLY set LOW
1 : RLY set HIGH
2
nRINGIM
Ring Interrupt Enable
0 : Interrupt disable
1 : Interrupt enable
1
nTXRXIM
FIFO Empty Interrupt Enable
0 : Interrupt disable
1 : Interrupt enable
0
nFEIM
FIFO Error Interrupt Enable
0 : Interrupt disable
1 : Interrupt enable
Table 13-43: CR bit functions
13-60
GMS30C7201 Data Sheet