WM8321
Production Data
7.6 DIGITAL INTERFACES
Unless otherwise noted: TJ = -40°C to +125°C; Typical values are at TJ = +25ºC
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNIT
O¯¯N, R¯¯E¯S¯E¯T¯, I¯R¯Q¯, CIFMODE, SDOUT1, SCLK1, SDA1, C¯¯S, SCLK2, SDA2
Input HIGH Level
Input LOW Level
Output HIGH Level
Output LOW Level
VIH
VIL
0.75 x
VDD
V
V
V
V
0.2 x
VDD
I
I
OH = 1mA
OL = -1mA
VOH
VOL
0.8 x
VDD
0.2 x
VDD
‘VDD’ is the voltage of the applicable power domain for each pin, as defined in Section 3.
ON pin pull-up resistance
RPU
RPU
140
180
85
kꢀ
kꢀ
RESET pin pull-up resistance
DBVDD=1.8V
DBVDD=3.6V
DBVDD=1.8V
DBVDD=3.6V
IRQ pin pull-up resistance
RPU
180
85
kꢀ
SCLK2 pin pull-down resistance
SDA2 pin pull-down resistance
RPD
RPD
100
100
kꢀ
kꢀ
7.7 AUXILIARY ADC
Unless otherwise noted: TJ = +25ºC
PARAMETER
SYMBOL
RGPIO10, 11, 12
VGPIO10, 11, 12
TEST CONDITIONS
MIN
TYP
MAX
UNIT
kꢀ
Input resistance
During measurement
GPn_PWR_DOM = 0
GPn_PWR_DOM = 1
400
Input voltage range
0
0
VDBVDD
VPVDD
V
Input capacitance
CGPIO10, 11, 12
2
pF
bits
µs
AUXADC Resolution
AUXADC Conversion Time
AUXADC accuracy
12
39
Input voltage = 3V
-2.5
+2.5
%
7.8 SYSTEM STATUS LED DRIVERS
Unless otherwise noted: TJ = +25ºC
PARAMETER
LED1 and LED2
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Sink current
VLED1/2 = 1V
10
mA
PD, February 2012, Rev 4.0
24
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WOLFSON [ WOLFSON MICROELECTRONICS PLC ]
