AT83EC5123 ATMEL Corporation, AT83EC5123 Datasheet - Page 15

• Manufacturer Part Number: AT83EC5123
• Description: (AT8xx512x) Smart Card Reader ICs
• Manufacturer: ATMEL Corporation

Input with Weak Pull-down
Configuration
Low Speed Output
Configuration
4202B–SCR–07/03
Figure 8. Input with Pull-up
The input with pull-down (input WPD) configuration is shown in Figure 9
Figure 9. 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 10.
Figure 10. Low-speed Output
Data
Port latch
PCON.1
Input
Data
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
15