AT85C5122D-SISUM Atmel, AT85C5122D-SISUM Datasheet - Page 60
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
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60
AT8xC5122/23
Figure 29. LED Source Current
Notes:
Table 35. LED Source Current
Data
Port Latch
LEDx.1
LEDx.0
LEDx.1
0
0
0
0
1
1
1
1
1. When switching a low level, LEDCTRL device has a permanent current of about
2. The port must be configured as standard C51 port by means of PMOD0 and PMOD1
N mA/15 (N is 2, 4 or 8).
registers and the level of current must be programmed by means of LEDCON0 and
LEDCON1 registers before switching the led on.
LEDx.0
0
0
1
1
0
0
1
1
Port Latch Data
0
1
0
1
0
1
0
1
LEDCTRL
NMOS
1
0
0
0
0
0
0
0
NMOS
PIN
0
1
0
1
0
1
0
1
N
N
LED control disabled
LED mode 10 mA
LED mode 2 mA
LED mode 4 mA
Comments
4202E–SCR–06/06
Pin
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