WT21(2010) Ver la hoja de datos (PDF) - Unspecified
Número de pieza
componentes Descripción
Lista de partido
WT21 Datasheet PDF : 54 Pages
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SPI
INTERFACE
PCM_OUT
PCM_IN
PCM_SYNC
PCM_CLK
PIN
NUMBER
36
37
34
35
PAD TYPE
DESCRIPTION
Output, tri-state, weak
internal pull-down
Synchronous data output
Input,
weak internal
down
pull-
Synchronous
data
input
Bi-directional, weak
internal pull-down
Synchronous data sync
Bi-directional, weak
internal pull-down
Synchronous data clock
Table 4: Terminal Descriptions
SDIO/CSPI/UA
RT Interfaces
PIN
NUMBER
SDIO_DATA[0]
CSPI_MISO
25
UART_TX
SDIO_DATA[1]
CSPI_INT
26
UART_RTS#
SDIO_DATA[2]
27
UART_RX
SDIO_DATA[3]
CSPI_CS#
29
UART_CTS#
SDIO_CLK
30
CSPI_CLK
SDIO_SD_CS#
31
SDIO_CMD
32
CSPI_MOSI
PAD TYPE
DESCRIPTION
Bi-directional, tri- Synchronous data input/output
state, weak CSPI data output
internal pull-down UART data output, active high
Bi-directional, Synchronous data input/output
weak internal pull- CSPI data input
down
UART request to send output, active low
Bi-directional, Synchronous data input/output
weak internal pull- UART data input, active high
Bi-directional, Synchronous data input/output
weak internal pull- Chip select for CSR Serial Peripheral
down
Interface, active low
UART clear to send input, active low
Bi-directional, SDIO clock
weak internal pull- CSPI clock
Bi-directional,
weak internal pull- SDIO chip select to allow SDIO accessess
down
Bi-directional, SDIO data input
weak internal pull- CSPI data input
Table 5: Terminal Descriptions
SPI
INTERFACE
SPI_MOSI
SPI_CS#
SPI_CLK
SPI_MISO
PIN
NUMBER
41
40
39
38
PAD TYPE
DESCRIPTION
Weak internal pull-down SPI data input
Bi-directional, weak Chip select for Serial Peripheral
internal pull-down Interface, active low
Bi-directional, weak
internal pull-down
SPI clock
Output, tri-state, weak
internal pull-down
SPI data output
Table 6: Terminal Descriptions
Bluegiga Technologies Oy
Page 11 of 54
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