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Evaluation Kit for CMX724x/CMX734x
PE0403
2014 CML Microsystems Plc
9
um0403/1
4.
Signal Lists
Table 1 Signal List
CONNECTOR PINOUT
Connector
Ref.
Connector
Pin No.
Signal
Name
Signal
Type
Description
J1
TIP
SPKR
O/P
AUDIO
RING
-
(O/P)
(dependent on the setting of JP4, see 6.1.6)
SLEEVE
GNDA
PWR
Analogue ground.
J4
-
CLK EXT
I/P
External input option for CMX7240/CMX7340
clock.
J6
1,4,5,6,
9,10,18
-
N/C
Do not make any connection to these pins
2
GPIO1
BI
General purpose I/O pin.
3
GPIO2
BI
General purpose I/O pin.
7
GPIOA
BI
General purpose I/O pin.
8
GPIOB
BI
General purpose I/O pin.
11
SYSCLK2
O/P
CMX7240/CMX7340 system clock 2 output.
12
SYSCLK1
O/P
CMX7240/CMX7340 system clock 1 output.
13
MOSI
O/P
SSP Master output, slave input.
14
SSOUT/
FSO
BI
SSP Frame sync.
15
MISO
I/P
SSP Master input, slave output.
16
EPSCSN
O/P
EEPROM Chip Select
17
SSPCLK
BI
SSP Clock.
19, 20
GNDD
PWR
Digital supply ground.
J7
3, 5, 7, 9,
15 to 20
-
N/C
Do not make any connection to these pins
1
RESET
I/P
CMX7240/CMX7340 Hardware Reset Pin
2
CSN
I/P
Chip select. Connects to host
C.
4
CDATA
I/P
Serial Data input. Connects to host
C.
6
SCLK
I/P
Serial clock input. Connects to host
C.
8
RDATA
O/P
Serial data output. Connects to host
C.