DEMOKITCRX14 STMicroelectronics, DEMOKITCRX14 Datasheet - Page 32

• Manufacturer Part Number: DEMOKITCRX14
• Description: RFID EVALUATION KIT ISO14443-B
• Manufacturer: STMicroelectronics
• Type: Development kitr

Specifications of DEMOKITCRX14

• Contents: CD-ROM, CRX14 Board, USB Transceiver, Samples and Documentation
• Processor To Be Evaluated: CRX14
• Interface Type: I2C
• Operating Supply Voltage: 5 V
• For Use With/related Products: CRX14
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: 497-3704

CRX14
Table 11. I²C DC Characteristics
Figure 35. I²C AC Waveforms
32/40
Symbol
I
V
V
I
V
I
CC1
I
LO
CC
LI
OL
IH
IL
SDA OUT
SDA IN
Input Leakage Current (SCL,
SDA, E0, E1, E2)
Output Leakage Current (SCL,
SDA, E0, E1, E2)
Supply Current
Supply Current (Stand-by)
Input Low Voltage (SCL, SDA)
Input Low Voltage (E0, E1, E2)
Input High Voltage (SCL, SDA)
Input High Voltage (E0, E1, E2)
Output Low Voltage (SDA)
SDA IN
SCL
SCL
SCL
tCHCL
Parameter
CONDITION
CONDITION
STOP
START
tCHDH
tCHDX
tDLCL
CRX14 command execution
DATA OUTPUT
tCLQV
V
V
DATA VALID
CC
CC
tCLDX
INPUT
SDA
tRFEX
= 5V, f
= 5V, f
V
IN
= V
0V V
CHANGE
c
c
SS
I
= 400kHz (rise/fall time < 30ns),
= 400kHz (rise/fall time < 30ns),
SDA
OL
Test Condition
or V
OUT
= 3mA, V
0V V
tCLQX
RF OFF
CC
tCHDX
RF ON
V
, V
CLCH
CC,
IN
tDXCX
CC
SDA in Hi-Z
CC
V
= 5V, RF OFF
CC
CONDITION
= 5V
START
BUS FREE
STOP &
tCHDH
0.7V
0.7V
Min.
0.3
0.3
CC
CC
tDHDL
V
V
0.3V
0.3V
Max.
CC
CC
0.4
±2
±2
20
6
5
+ 1
+ 1
CC
CC
ai09236
Unit
mA
mA
mA
µA
µA
V
V
V
V
V