PIO Port
Lead Pad Type
Supply Domain
Description
PIO[4]
24
Bidirectional with weak
pull-down
VDD_PADS_1
Programmable input / output line 4.
Alternative function:
â– SPI_CS#: chip select for SPI, active
low
â– PCM1_SYNC: PCM1 synchronous
data sync
, 2013 PIO[3]
September 16 PIO[2]
.cn - Monday, PIO[1]
omm.com PIO[0]
apachec AIO[0]
Tsao - Test and Debug
Prepared for james RST#
28
Bidirectional with weak
pull-down
VDD_PADS_1
30
Bidirectional with weak
pull-down
VDD_PADS_1
60
Bidirectional with strong
pull-up
VDD_PADS_2
59
Bidirectional with strong
pull-up
VDD_PADS_2
20 Bidirectional
VDD_AUX
Lead Pad Type
Supply Domain
35 Input with strong pull-up VDD_PADS_1
Programmable input / output line 3.
Alternative function:
â– SPI_MISO: SPI data output
â– PCM1_OUT: PCM1 synchronous
data output
Programmable input / output line 2.
Alternative function:
â– SPI_MOSI: SPI data input
â– PCM1_IN: PCM1 synchronous data
input
Programmable input / output line 1.
Alternative function:
â– UART_TX: UART data output
Programmable input / output line 0.
Alternative function:
â– UART_RX: UART data input
Analogue programmable input / output
line 0.
Description
Reset if low. Pull low for minimum 5ms to
cause a reset.
Pre-production Information
© Cambridge Silicon Radio Limited 2013
Confidential Information - This Material is Subject to CSR's Non-disclosure Agreement
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