AT85C5122D-SISUM Atmel, AT85C5122D-SISUM Datasheet - Page 59
AT85C5122D-SISUM
Manufacturer Part Number
AT85C5122D-SISUM
Description
RFID Modules & Development Tools 3-5.5V Smart Card Reader
Manufacturer
Atmel
Datasheet
1.AT85C5122D-SISUM.pdf
(213 pages)
Specifications of AT85C5122D-SISUM
Product
RFID Readers
- Current page: 59 of 213
- Download datasheet (3Mb)
Input with Weak Pull-down
Configuration
Low Speed Output
Configuration
LED Source Current
4202E–SCR–06/06
Figure 26. Input with Pull-up
The input with pull-down (input WPD) configuration is shown in Figure 27
Figure 27. Input with Pull-down
The low speed output with low speed t
The current limitation of the LED2CTRL block requires a polarisation current of about
250 µA. This block is automatically disabled in power-down mode.
The low speed output configuration (KB_OUT) is shown in Figure 28.
Figure 28. Low-speed Output
The LED configuration is shown in Figure 29.
Data
Port latch
PCON.1
Input
Data
Input
Data
Stuck to 0 if Medium
Stuck to 0 if Weak
FALL
and t
LED2CTRL
PWEAKCTRL
RISE
can drive keyboard.
NMOS
1
AT8xC5122/23
Weak
P
N
P
Weak
N
N
P
Weak
Medium
Pin
Pin
Pin
59
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