STEVAL-IFW001V1 STMicroelectronics, STEVAL-IFW001V1 Datasheet - Page 87

• Manufacturer Part Number: STEVAL-IFW001V1
• Description: BOARD EVAL BASED ON STR912FA
• Manufacturer: STMicroelectronics

Specifications of STEVAL-IFW001V1

• Design Resources: STEVAL-IFW001V1 Gerber Files STEVAL-IFW001V1 Schematic STEVAL-IFW001V1 Bill of Material
• Main Purpose: Interface, Ethernet
• Embedded: Yes, MCU, 32-Bit
• Utilized Ic / Part: E-STE101P, STR912FAW44
• Primary Attributes: Dual Ethernet Transceivers for Full Duplex Communication
• Secondary Attributes: Up to 32 MII Addresses, UART, I2C, SPI, with RJ45 Connectors
• Silicon Manufacturer: ST Micro
• Core Architecture: ARM
• Core Sub-architecture: ARM9
• Silicon Core Number: STR9
• Silicon Family Name: STR91x
• For Use With: 497-8263 - BOARD EXTENSION STEVAL-IFW001V1
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-8262

STR91xFAxxx
7.12.4
I
V
Table 45.
1. The maximum hold time of the START condition has only to be met if the interface does not stretch the low
2. The device must internally provide a hold time of at least 300 ns for the SDA signal in order to bridge the
3. C
2
DDQ
Symbol
C electrical characteristics
t
t
t
t
t
SU:STO
HD:STA
HD:DAT
SU:STA
SU:DAT
t
period of SCL signal
undefined region of the falling edge of SCL.
t
t
HIGH
LOW
BUF
C
t
b
t
R
F
b
= total capacitance of one bus line in pF
= 2.7 - 3.6 V, V
Bus free time between a STOP
and START condition
Hold time START condition.
After this period, the first clock
pulse is generated
Low period of the SCL clock
High period of the SCL clock
Setup time for a repeated
START condition
Data hold time
Data setup time
Rise time of both SDA and SCL
signals
Fall time of both SDA and SCL
signals
Setup time for STOP condition
Capacitive load for each bus
line
I
2
C electrical characteristics
Parameter
DD
= 1.65 - 2 V, T
(2)
(1)
Doc ID 13495 Rev 6
A
= -40 / 85 °C unless otherwise specified.
Min
250
4.0
4.7
4.0
4.7
4.0
4.7
Standard I
0
1000
Max
300
400
2
C
20+0.1C
20+0.1C
Electrical characteristics
Min
100
0.6
1.3
0.6
1.3
0.6
0.6
(3)
(3)
0
Fast I
b
b
2
C
Max
300
300
400
Unit
pF
87/102
µs
µs
µs
µs
µs
ns
ns
ns
ns
µs