Philips CEM2100/00, Service Manual

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TC94B14MFG
2010-01-12 19
5.2 DSP core section
5-2-1 DC characteristics
(Unless otherwise specified, VDD3 =  AVDD3 = DVDD3L/R = XVDD3 = RVDD3 = 3.3 V, VDD1 = VDDM1 =
1.5V , Ta = 25°C)
Characteristics Symbol
Test
Circuit
Test Condition Min Typ. Max Unit
VDD3
RVDD3
AVDD3
DVDD3L/R
XVDD3
-- -- 3.0 3.3 3.6 V
VDD1
Oprating Power Supply
Voltage
VDDM1
-- -- 1.4 1.5 1.6 V
Oprating frequency range
fopr -- Ta = -20 ～ 70 ℃ , VDD1/VDDM1=1.4V --
-- 87.5
MHz
IDD3 -- 80 100
IDD1 -- 30 36
×
1 speed
IDDM -- 0.6 1
IDD3 -- 80 100
IDD1 -- 32 38
Operating power supply
current
×2
speed
IDDM
XI = 16.9344 MHz
fopr = 85 MHz (Note 8)
@ CDMP3 opration(MP3 Stream
fs=48kHz/320 kbps)
Ta=-20 ℃～ 70 ℃
(Includs current for CD servo)
-- 0.6 1
mA
“H” level
VIH3 VDD3
x 0.7
-- --
“L” level
VIL3
--
CMOS input pins (3 V circuits)
excluding analog input pins
-- --
VDD3
x 0.3
“H” level VIH1
VDDM1
x 0.8
-- --
Input Voltage
“L” level VIL1
-- /SRMSTB pin
-- --
VDDM1
x 0.2
V
“H” level IIH3 VIH3 = VDD3 -- -- 2.0
Input current
“L” level IIL3
--
VIL3 = VSS
−
1.0
-- --
μ
A
“H” level IOH3 VOH3 = 2.9 V -- --
−
4.0
“L” level IOL3 VOL3 = 0.4 V
Pins listed at (#1) in
the following table.
4.0 -- --
“H” level IOH3 VOH3 = 2.9 V -- -- -2.0
Output current
“L” level IOL3
--
VOL3 = 0.4 V
Pins listed at (#2) in
the following table.
2.0 -- --
mA