LPC47S457-NC SMSC [SMSC Corporation], LPC47S457-NC Datasheet - Page 255

• Manufacturer Part Number: LPC47S457-NC
• Description: Advanced I/O with X-Bus Interface
• Manufacturer: SMSC [SMSC Corporation]

11.13 Timing for LED Output
Note 1: The blink rate is programmed through Bits[1:0] in LEDx register. When Bits[1:0]=00, LED is OFF.
Bits[1:0]=01 indicates LED blink at 1Hz rate with a 50% duty cycle (0.5 sec ON, 0.5 sec OFF). Bits[1:0]=10 indicates
LED blink at ½ Hz rate with a 25% duty cycle (0.5 sec ON, 1.5 sec OFF). When Bits[1:0]=11, LED is ON.
SMSC LPC47S45x
NAME
t1
t2
LEDx
Period
Blink ON Time
DESCRIPTION
FIGURE 49 − LED OUTPUT TIMING
DATASHEET
t1
Page 255 of 259
t2
MIN
1
0
TYP
MAX
0.5
2
1
UNITS
sec
sec
Rev. 06-01-06