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零件编号
产品描述 (功能)
WT21-A-HCI 查看數據表(PDF) - Unspecified
零件编号
产品描述 (功能)
生产厂家
WT21-A-HCI
BLUETOOTH HCI MODULE
Unspecified
WT21-A-HCI Datasheet PDF : 57 Pages
1
2
3
4
5
6
7
8
9
10
Next
Last
2
Pinout and Terminal Description
3
NC
4
GND
5
GND
6
GND
7
GND
8
GND
9
GND
10
GND
11
1V8_OUT
12
VREGIN
13
VREG_ENA
14
PIO1
RFTP
GND
50
49
GND
GND
48
GND
47
GND
46
GND
45
GND
44
GND
43
RST#
42
SPI_MOSI
41
SPI_CS#
40
SPI_CLK
39
SPI_MISO
38
PCM_IN
37
PCM_OUT
36
PCM_CLK
35
PCM_SYNC
34
VDD_PADS
33
SDIO_CMD
32
SDIO_SD_CS#
31
SDIO_CLK
30
UART_CTS#
29
NC
RST#
GND
Figure 1:
WT21 pin out
PIN
NUMBER
3
42
PAD TYPE
DESCRIPTION
Not in use
Leave floating or connect to GND
Input, weak internal pull- Active low reset. Keep low for >5 ms
up
to cause a reset
23
GND
GND
Table 1:
Terminal Descriptions
Bluegiga Technologies Oy
Page 9 of 56
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