WizFi220 WIZnet, WizFi220 Datasheet - Page 12

• Manufacturer Part Number: WizFi220
• Description: WiFi / 802.11 Modules 802.11B WIFI MOD LW PWR W/EXT PWR AMP
• Manufacturer: WIZnet

Specifications of WizFi220

• Rohs: yes
• Frequency Band: 2.4 GHz
• Interface Type: SPI, UART

(5) RTC Input Specifications
RTC Supply Voltage (V
Input Low Voltage (V
Input High Voltage (V
Schmitt trig. Low to High threshold
point (V
Schmitt trig. High to Low threshold
point (V
(6) RTC Output Specifications
RTC Supply Voltage (V
Output Low Voltage (V
Output High Voltage (V
Output rise time (t
Output fall time (t
WizFi 210 User Manual
T+
T-
)
)
THL
TLH
(WIZnet Co., Ltd.)
)
IL
)
IH
)
DDRTC
DDRTC
OL
)
OH
)
)
)
)
Table 7. RTC Output Specifications
Table 6. RTC Input Specifications
0.57V
0.27V
0.8V
0.8V
Min
-0.3
Min
1.2
1.2
19
21
0
DDRTC
DDRTC
DDRTC
DDRTC
Typ
Typ
0.25V
0.68V
0.35V
V
V
Max
Max
142
195
DDRTC
3.6
DDRTC
3.6
0.4
DDRTC
DDRTC
DDRTC
Unit
Unit
ns
ns
V
V
V
V
V
V
V
V
6