TCC76x
Specification Rev. 0.07
February 23, 2005
32-bit RISC Microprocessor for Digital Media Player
ELECTRICAL SPECIFICATION
Preliminary
23-5
23.7 Absolute Maximum Ratings – Audio CODEC
Table 23.8 Absolute Maximum Ratings – Audio CODEC
Parameter
Symbol
Rating
Unit
Digital Supply Voltage for Audio CODEC
VDDC_CDC
VDDB_CDC
-0.3 to 3.63
V
Analog Supply Voltage for Audio CODEC
VDDA_CDC
-0.3 to 3.63
V
Digital Input Voltage for Audio CODEC
VIN_CDC
-0.3 to VDDB_CDC + 0.3
V
Analog Input Voltage for Audio CODEC
VINA_CDC
-0.3 to VDDA_CDC + 0.3
V
Storage Temperature for Audio CODEC
TSTG_CDC
-45 to 125
oC
Notes:
1.
The voltage difference between analog and digital grounds (VSS_CDC, AGND) must always be within 0.3V.
2.
VDDA_CDC includes AVDD and HPVDD.
3.
VDDC_CDC must not exceed VDDA_CDC or VDDB_CDC
4.
VDDB_CDC must not exceed VDDA_CDC
5.
The voltage difference between VDDIO and VDDB_CDC must always be within 0.3V
23.8 Recommended Operating Conditions – Audio CODEC
Table 23.9 Recommended Operating Conditions – Audio CODEC
Parameter
Symbol
MIN
TYP
MAX
Unit
Digital Supply Voltage for Audio CODEC (Core)
VDDC_CDC
1.42
1.5
3.6
V
Digital Supply Voltage for Audio CODEC (Buffer)
VDDB_CDC
2.7
3.3
3.6
V
Analog Supply Voltage for Audio CODEC
VDDA_CDC
2.7
3.3
3.6
V
Digital Input Voltage for Audio CODEC
VIN_CDC
-0.1
-
VDDB_CDC + 0.15
V
Analog Input Voltage for Audio CODEC
VINA_CDC
1
VRMS
Operating Temperature for Audio CODEC
TOPER_CDC
-10
70
oC
23.9 Electrical Characteristics - Audio CODEC
Ta = 25
oC, VDDA_CDC = VDDB_CDC = 3.3V, VDDC_CDC = 1.5V, VSSA_CDC = 0.0V, Fs = 48kHz unless otherwise specified.
Table 23.10 Electrical Characteristics - Audio CODEC Digital I/O
Parameter
Symbol
Test Conditions
MIN
TYP
MAX
Unit
High Level Input Voltage
VIH_CDC
VDDB_CDC = 3.3V
0.7 VDDB_CDC
V
Low Level Input Voltage
VIL_CDC
VDDB_CDC = 3.3V
0.3 VDDB_CDC
V
High Level Input Current
-10
10
µA
High Level Input Current
(pull-down enabled)
IIH_CDC
VDDB_CDC = 3.3V
VIN_CDC = VDDB_CDC
-10
90
µA
Low Level Input Current
-10
10
µA
Low Level Input Current
(pull-up enabled)
IIL_CDC
VDDB_CDC = 3.3V
VIN_CDC = VSS_CDC
-90
10
µA
High Level Output Voltage
VOH_CDC
VDDB_CDC = 3.3V
0.9 VDDB_CDC
V
Low Level Output Voltage
VOL_CDC
VDDB_CDC = 3.3V
0.1 VDDB_CDC
V
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