Datasheet

UART Specifications
August 2016 Intel® Joule™ Datasheet
Document number: 566641 rev. 1.0 Page 25
10 UART Specifications
10.1 UART availability
Refer to the Intel® Joule™ Expansion Board Design Guide for the specifications and PCB routing guidance for these interfaces.
11 I2S Specifications
One I2S port is provided by the J7 board-to-board connector interface.
11.1 I2S signal group specifications
Refer to the Intel® Joule™ Expansion Board Design Guide for the specifications and PCB routing guidance for this interface.
11.1.1 I2S available formats
The I2S formats listed in Table 14 have not been verified and are subject to change.
Table 13 Available UARTS
Name Type Flow Control
UART0 Full HSUART support - dedicated to Boot Mode strapping on expansion board Yes
UART1 Receive / Transmit only None
UART2 Full HSUART support Yes
ISH UART 0 Full HSUART support Yes
Table 14 I2S available configuration formats
Mode Priority Frame
rate
Bits/
sample
Number
of slots
Frame to
data offset
Frame
polarity
Frame
width
Frame rate
inaccuracy
Notes
I
2
S master
1 192K,96K,
48K, 16K,
8K
16,24 2 1 0-left
, 1-right
50/50 0% Standard I
2
S protocol. 50%
duty
PCM slave-SFS
1 192K,96K,
48K, 44.1
K, 16K, 8K
16,24 192kHz: 2
96 kHz: 4
All else: 1 to
6
0High
PCM slave - LFS
1 192K,
96K, 48K,
44.1K,
16K,8K
16,24 192 kHz: 2
96 kHz: 4 All
else: 1 to 6
0High 0%.
PCM master -SFS
1 192K,
96K, 48K,
16K, 8K
16, 24 192 kHz: 2
All else: 1 to
4
0High1 bit
clock
wide
0% Rising edge frame sensitive.
Design supports more
frame- to-data offset
options.
PCM master - LFS
1 192K,
96K, 48K,
16K, 8K
16,24 192 kHz: 2
All else: 1 to
4
0 High 1-bit to n-
bit clocks
0% Design supports width > 1
slot.
Left justified master
2 192K,96K,
48K
16,24 2 0 0-left, 1-
right
50/50 0% Design supports flipping
polarity on the frame signal.
I
2
S slave
3 192K,96K,
48K,44.1K
16,24 2 0 0-left, 1-
right
50/50 0%
Left justified slave
3 192K,96K,
48K
16,24 2 0 0-left, 1-
right
50/50 0%
Right justified
Not supported.