TDK blu2i 用户手册
Electrical specification of the interface
3
The Hirose DF12C board to board connector on the module is a 40 way
double-row receptacle. The pin allocation is as follows:
Pin
Signal
Description
Pin Signal
Description
1
Analogue 0
1.8v Max
2
GPIO1
I/O for Host
3
Analogue 1
1.8v Max
4
GPIO2
I/O for Host
5
SPI_MISO
SPI bus serial
O/P
O/P
6
UART_RI
‘Ring’ Input or
Output
Output
7
SPI_CSB
SPI bus chip
select I/P
select I/P
8
UART_DCD
Input or Output
9
SPI_CLK
SPI bus clock
I/P
I/P
10 UART_DSR Input
11 GND
12 GPIO3/UART
_DTR
I/O for Host
13
RESET
Reset I/P
14
GPIO4
I/O for Host
(Right LED)(2)
(Right LED)(2)
15 GND
16
GPIO5
I/O for Host (Left
LED) (2)
LED) (2)
17
SPI_MOSI
SPI bus serial
I/P
I/P
18 GND
19
UART_CTS
Clear to Send
I/P
I/P
20
PCM_CLK
PCM Clock I/P
21 UART_TX Transmit
Data
O/P
22
PCM_IN
PCM Data I/P
23 UART_RTS Request
to
Send O/P
24
PCM_SYNC
PCM Sync I/P
25 UART_RX Receive
Data
I/P
26
PCM_OUT
PCM Data O/P
27 VCC_3V3 3.3V
Output
(Note 3)
28 N/C
29
VCC_5V
3.6V < VIN <
6.0V
6.0V
30 GND
31 N/C
32
RESERVED
Do not connect
33 N/C
34
RESERVED
Do not connect
35 N/C
36 GND
37 N/C
38 GND
39 VCC_1V8 1.8V
Output
(Note 3)
40 N/C
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