WM8803 查看數據表（PDF） - Wolfson Microelectronics plc
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WM8803 Datasheet PDF : 45 Pages
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WM8803
Test Conditions
Ta = 25°C, AVDD = DVDD = 3.3V, AGND = DGND = 0V
PARAMETER
SYMBOL TEST CONDITIONS
MIN
CLKOUT to BCLK delay
tMBO
—
B_C__L_K to SDATO delay
tBDO
UGPI low-level pulse width
tTKT
—
1
—
Notes:
1. When setting the clock switching transition period signal output
MICRO-CONTROLLER INTERFACE TIMING REQUIREMENTS
Test Conditions
Ta = -30~70°C, AVDD = DVDD = 3.3V, AGND = DGND = 0V
PARAMETER
SYMBOL TEST CONDITIONS
Micro-controller Interface Timing Information
PD low-level pulse width
TPDdw
E/INT high-level pulse width
TINTuw
1
CL low-level pulse width
TCLdw
CL high-level pulse width
TCLuw
CL to CE setup time
tCEsetup
CL to CE hold time
TCEhold
CL to DI setup time
TDIsetup
CL to DI hold time
TDIhold
CL to CE hold time
TCLhold
CL to DO delay time
tCLtoDO
CE to DO delay time
tCEtoDO
Notes:
1. INTOPF = “1”, INTSEL = “1”, and fs is the input sampling frequency.
MIN
200
5
100
100
50
50
50
50
50
—
—
Product Preview
TYP
MAX
UNIT
—
10
ns
—
5
ns
—
100
ms
TYP
—
1/fs
—
—
—
—
—
—
—
—
—
MAX
—
63
—
—
—
—
—
—
—
20
20
UNIT
µs
µs
ns
ns
ns
ns
ns
ns
ns
ns
ns
E/INT
CL
CE
DI
DO
tINTuw
tCLuw tCLdw
tDIsetup
Hi-Z
tCEhold
tDIhold
tCEtoDO
tCEsetup
tCLhold
tCLtoDO
Figure 2 Micro-controller Interface Timing Requirements
w
PP Rev 1.1 September 2003
8
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