User's Manual

BSM-700 Specification Page 7/31 2014/03/31
LTC Network Access Confidential
41 GND Ground
42 GND Ground
43 GND Ground
44 Antenna2 External Antenna with RF PAD RF PAD
45 GND Ground
46 SPI_CLK SPI clock
Input with weak pull
-
Down
47 SPI_MOSI SPI data in
Input with weak pull
-
Down
48 BT_I2S_IN I2S data in
Bidirectional with weak
pull-down
49 BT_I2S_BCLK I2S data clock
Bidirectional with weak
pull-down
50 BT_I2S_LRCLK I2S data sync
Bidirectional with weak
pull-down
51 BT_I2S_OUT I2S data out
Bidirectional with weak
pull-down
52 SPI_MISO SPI data out
Output with weak pull
-
down
53 RST#
Reset if low.
Input de
-
bounced so must
be low for >5ms to cause a reset.
Input with strong pull-up
54 SPI_CS# Chip select for SPI, active low. Input with strong pull-up
55 FLASF_IO2
Serial quad I/O flash data bit 2
Alternative function PIO[27]
Bidirectional with stron
g
pull-down
56 FLASF_CS#
SPI flash chip select.
Alternative function PIO[23]
Bidirectional with strong
pull-down
57 AIO[0] Programmable input / output line
Analogue programmable input /
output line
58 FLASF_IO1
Serial quad I/O flash data bit 1.
Alternative function PIO[26]
Bidirectional with strong
pull-down
59 FLASF_CLK
SPI flash clock.
Alternative function PIO[21]
Bidirectional with strong
pull-down
60 PIO_3 Programmable input / output line
Bidirectional with weak
pull-down
61 FLASF_IO0
Serial quad
I/O flash data bit 0.
Alternative function PIO[25]
Bidirectional with strong
pull-down
62 FLASF_IO3
Serial quad I/O flash data bit 3.
Alternative function PIO[28]
Bidirectional with strong
pull-down
63 PIO_12 Programmable input / output line
Bidirectiona
l with weak
pull-down
64 GND Ground
65 GND Ground
66 PIO_13 Programmable input / output line
Bidirectional with weak
pull-down