at88rf1354 ATMEL Corporation, at88rf1354 Datasheet - Page 19

• Manufacturer Part Number: at88rf1354
• Description: 13.56 Mhz Type B Rf Reader Specification
• Manufacturer: ATMEL Corporation

8547A−RFID−10/08
Figure 5.
Standby Mode Timing
Tc = -40° to +85° C (unless otherwise noted)
Note: 1. Typical values at 25° C. Maximum values are characterized values and not test limits in production.
Symbol
t
t
t
SDBY
WAKE
CLKO
t
OSC
2. OSC enabled Standby mode: PLL Register bit SL0 = 0 b.
3. OSC disabled Standby mode: PLL Register bit SL0 = 1 b.
4. CLKO disabled Standby mode: PLL Register bit ENB = 1 b.
5. CLKO disabled and PLL disabled Standby mode: PLL Register bits ENB = 1 b and SL0 = 1 b.
6. CLKO disabled, PLL disabled, and OSC disabled Standby mode: PLL Register bits ENB = 1 b
All values are preliminary and will be updated after characterization.
Crystal Oscillator start-up time Leaving OSC disabled Standby
Standby Mode Enable Time
Exit Standby Mode Time
CLKO start-up time
and SL0 = 1 b and SL1 = 1 b.
SPI Interface timing requirements
Parameter
Entering OSC enabled Standby
Entering OSC disabled Standby
Leaving OSC enabled Standby
Leaving OSC disabled Standby
Leaving CLKO disabled Standby
Leaving CLKO, PLL disabled Standby
Leaving CLKO, PLL, OSC disabled Standby
(1)
Condition
(2)
(3)
(2)
(3)
(3)
(4)
13.56 MHz Type B RF Reader
(5)
(6)
Min
V
CC
= 3.0 to 3.6 V
Typical
Max
Min
V
CC
= 4.5 to 5.5 V
Typical
Max
Units
uS
uS
uS
uS
uS
uS
uS
uS
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