Document Number: 002-02521 Rev. *G
Page 22 of 39
CYBLE-012011-00
Serial Communication
Table 28. Fixed I
2
C DC Specifications
Table 30. Fixed UART DC Specifications
Table 31. Fixed UART AC Specifications
Parameter
Description
Min
Typ
Max
Units
Details/Conditions
I
I2C1
Block current consumption at 100 kHz
–
–
50
µA
–
I
I2C2
Block current consumption at 400 kHz
–
–
155
µA
–
I
I2C3
Block current consumption at 1 Mbps
–
–
390
µA
–
I
I2C4
I
2
C enabled in Deep-Sleep mode
–
–
1.4
µA
–
Table 29. Fixed I
2
C AC Specifications
Parameter
Description
Min
Typ
Max
Units
Details/Conditions
F
I2C1
Bit rate
–
–
400
kHz
Parameter
Description
Min
Typ
Max
Units
Details/Conditions
I
UART1
Block current consumption at 100 kbps
–
–
55
µA
–
I
UART2
Block current consumption at 1000 kbps
–
–
312
µA
–
Parameter
Description
Min
Typ
Max
Units
Details/Conditions
F
UART
Bit rate
–
–
1
Mbps
–
Table 32. Fixed SPI DC Specifications
Parameter
Description
Min
Typ
Max
Units
Details/Conditions
I
SPI1
Block current consumption at 1 Mbps
–
–
360
µA
–
I
SPI2
Block current consumption at 4 Mbps
–
–
560
µA
–
I
SPI3
Block current consumption at 8 Mbps
–
–
600
µA
–
Table 33. Fixed SPI AC Specifications
Parameter
Description
Min
Typ
Max
Units
Details/Conditions
F
SPI
SPI operating frequency (master; 6x
over sampling)
–
–
8
MHz
–
Table 34. Fixed SPI Master Mode AC Specifications
Parameter
Description
Min
Typ
Max
Units
Details/Conditions
T
DMO
MOSI valid after SCLK driving edge
–
–
18
ns
–
T
DSI
MISO valid before SCLK capturing edge
Full clock, late MISO sampling used
20
–
–
ns
Full clock, late MISO sampling
T
HMO
Previous MOSI data hold time
0
–
–
ns
Referred to Slave capturing edge
Table 35. Fixed SPI Slave Mode AC Specifications
Parameter
Description
Min
Typ
Max
Units
Details/Conditions
T
DMI
MOSI valid before SCLK capturing edge
40
–
–
ns
T
DSO
MISO valid after SCLK driving edge
–
–
42 + 3 ×
T
CPU
ns
T
DSO_ext
MISO Valid after SCLK driving edge in
external clock mode. V
DD
< 3.0 V
–
–
50
ns
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