GR47/48 Design Guidelines
BA/SEM/MS 03:0015 Rev A
LZT 123 7596
33
I/O8
I/O
General purpose I/O 8
45.
TD2
I
Dig. 2.75
UART2 Reception
46.
RD2
O
Dig. 2.75
UART2 Transmission
47.
PCMULD
I
Dig. 2.75
DSP PCM digital audio input
48.
PCMDLD
O
Dig. 2.75
DSP PCM digital audio output
49.
PCMO
O
Dig. 2.75
Codec PCM digital audio output
50.
PCMI
I
Dig. 2.75
Codec PCM digital audio input
51.
PCMSYNC
O
Dig. 2.75
DSP PCM frame sync
52.
PCMCLK
O
Dig. 2.75
DSP PCM clock output
53.
MICP
I
Analogue
Microphone input positive
54.
MICN
I
Analogue
Microphone input negative
55.
BEARP
O
Analogue
Speaker output positive
56.
BEARN
O
Analogue
Speaker output negative
57.
AFMS
O
Analogue
Audio output from module
58.
SERVICE
I
12V/2.7V
Flash programming voltage for the
MS. Enable logger information if no
flashing
Former VPPFLASH
59.
ATMS
I
Analogue
Audio input to module
60.
AGND
-
Analogue
Analogue ground
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