參數(shù)資料
型號: SAA7348GP
廠商: NXP SEMICONDUCTORS
元件分類: 微控制器/微處理器
英文描述: All Compact Disc Engine ACE
中文描述: 8-BIT, MROM, 35 MHz, MICROCONTROLLER, PQFP100
文件頁數(shù): 54/60頁
文件大?。?/td> 205K
代理商: SAA7348GP
1997 Jul 11
54
Philips Semiconductors
Preliminary specification
All Compact Disc Engine (ACE)
SAA7348GP
10.3
V
DDD(pads)
= 4.5 to 5.5 V; V
DDD(core)
= 3.0 to 3.6 V; V
DDA
= 3.0 to 3.6 V; V
SS
= 0; T
amb
= 0 to 70
°
C; unless otherwise
specified.
I
2
S timing characteristics
Note
1.
I
2
S timing is directly related to the over-speed factor, n, in normal operating mode;
n is replaced by the disc speed factor, d, in lock-to-disc mode.
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
I
2
S Timing (single speed
×
n);
note 1; see Fig.12
C
LOCK OUTPUT
: SCLK (C
L
= 20 pF)
T
cy(clk)
output clock period
sample rate = f
s
sample rate = 2f
s
sample rate = 4f
s
sample rate = f
s
sample rate = 2f
s
sample rate = 4f
s
sample rate = f
s
sample rate = 2f
s
sample rate = 4f
s
166/n
83/n
42/n
166/n
83/n
42/n
472.4/n
236.2/n
118.1/n
ns
ns
ns
ns
ns
ns
ns
ns
ns
t
clkH
clock HIGH time
t
clkL
clock LOW time
O
UTPUTS
: WCLK, DATA, VALID
AND
DAC (C
L
= 20 pF)
t
su
set-up time
sample rate = f
s
sample rate = 2f
s
sample rate = 4f
s
sample rate = f
s
sample rate = 2f
s
sample rate = 4f
s
95/n
48/n
24/n
95/n
48/n
24/n
ns
ns
ns
ns
ns
ns
t
h
hold time
Fig.12 I
2
S Timing.
0.8 V
VDD
0.8 V
VDD
0.8 V
0.8 V
MGK505
tCLKL
th
tsu
tCLKH
clock period Tcy(clk)
SCLK
WCLK
DATA
DAC
VALID
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