wm8351 Wolfson Microelectronics plc, wm8351 Datasheet - Page 23

• Manufacturer Part Number: wm8351
• Description: Wolfson Audioplus? Stereo Codec With Power Management
• Manufacturer: Wolfson Microelectronics plc

Production Data
7.7
Test Conditions
T
7.8
Test Conditions
T
w
A
A
ISINKA
Sink Current
ISINKC, ISINKD, ISINKE
Sink Current
Output voltage drop
GPIO0 to GPIO3
Input HIGH Level
Input LOW Level
Output HIGH Level
Output LOW Level
Sink / source current
Pull-up resistance to VRTC
Pull-down resistance
GPIO4 to GPIO9
Logic levels
Sink / source current
Pull-up resistance to DBVDD
Pull-down resistance
GPIO10 to GPIO12
Input HIGH Level
Input LOW Level
Output HIGH Level
Output LOW Level
Sink / source current
Pull-up resistance to LINE
Pull-down resistance
= +25ºC unless otherwise noted.
= +25ºC unless otherwise noted.
LED DRIVERS
GENERAL PURPOSE INPUTS / OUTPUTS (GPIO)
PARAMETER
PARAMETER
SYMBOL
SYMBOL
V
R
R
R
R
V
R
R
V
V
V
V
V
V
OH
OH
OL
PU
PD
PU
PD
OL
PU
PD
IH
IH
IL
IL
TEST CONDITIONS
TEST CONDITIONS
duty cycle = 20%
sourcing 2 mA
sourcing 2 mA
sinking 2 mA
sinking 2 mA
GPn_PU = 1
GPn_PD = 1
GPn_PD = 1
GPn_PU = 1
GPn_PD = 1
GPn_PU= 1
continuous
10mA load
See Section 7.9
0.7×VRTC
0.9×VRTC
LINE
0.9×
MIN
MIN
2.0
TYP
TYP
310
225
220
144
250
135
0.8
GPIO_VDD
0.3×VRTC
0.1×VRTC
PD, June 2009, Rev 4.1
MAX
MAX
0.1×
200
0.9
40
20
WM8351
UNIT
UNIT
mA
mA
mA
mA
mA
kΩ
kΩ
kΩ
kΩ
kΩ
kΩ
V
V
V
V
V
V
V
V
V
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