13.3.10 LED Driver Pads
LED Driver Pads
Min
Typ
Max
Unit
Current, I
PAD
High impedance state
-
-
5
µA
Current sink state
-
-
10
mA
LED pad voltage, V
PAD
I
PAD
= 10mA
-
-
0.55
V
LED pad resistance
V
PAD
< 0.5V
-
-
40
Ω
V
OL
output logic level low
(a)
-
0
-
V
V
OH
output logic level high
(a)
-
0.8
-
V
V
IL
input logic level low
-
0
-
V
V
IH
input logic level high
-
0.8
-
V
(a)
LED output port is open-drain and requires a pull-up
13.3.11 Auxiliary ADC
Auxiliary ADC
Min
Typ
Max
Unit
Resolution
-
-
10
Bits
Input voltage range
(a)
0
-
VDD_AUX
V
Accuracy
(Guaranteed monotonic)
-1
-
1
LSB
0
-
1
LSB
Offset
-1
-
1
LSB
Gain error
-0.8
-
0.8
%
Input bandwidth
-
100
-
kHz
Conversion time
1.38
1.69
2.75
µs
Sample rate
(b)
-
-
700
Samples/s
(a)
LSB size = VDD_AUX/1023
(b)
The auxiliary ADC is accessed through a VM function. The sample rate given is achieved as part of this function.
Advance Information
This material is subject to CSR's non-disclosure agreement
© Cambridge Silicon Radio Limited 2011
Page 85 of 110
CS-209182-DSP1
CSR8640 BGA
Data Sheet