DSP56001FE33 MOTOROLA [Motorola, Inc], DSP56001FE33 Datasheet - Page 28

• Manufacturer Part Number: DSP56001FE33
• Description: 24-Bit General Purpose Digital Signal Processor
• Manufacturer: MOTOROLA [Motorola, Inc]

MOTOROLA
28
Num
80
81
82
84
85
86
87
88
89
90
91
92
Clock Cycle (see Note 1)
Clock High Period
Clock High Period
RXC Rising Edge to FSR Out (bl) High
RXC Rising Edge to FSR Out (bl) Low
RXC Rising Edge to FSR Out (wl) High
RXC Rising Edge to FSR Out (wl) Low
Data In Setup Time Before RXC (SCK
in Synchronous Mode) Falling Edge
Data In Hold Time After RXC Falling
Edge
FSR Input (bl) High Before RXC Falling
Edge
FSR Input (wl) High Before RXC
Falling Edge
FSR Input Hold Time After RXC Falling
Edge
(Vcc = 5.0 Vdc + 10%, T
cyc = Clock cycle = 1/2 instruction cycle = 2 T cycles
tSSICC = SSI clock cycle time
TXC (SCK Pin) = Transmit Clock
RXC (SC0 or SCK Pin) = Receive Clock
FST (SC2 Pin) = Transmit Frame Sync
FSR (SC1 or SC2 Pin) = Receive Frame Sync
i ck = Internal Clock
x ck = External Clock
g ck = Gated Clock
i ck a = Internal Clock, Asynchronous Mode (Asynchronous implies that TXC and
i ck s = Internal Clock, Synchronous Mode (Synchronous implies that TXC and
bl = bit length
wl = word length
see SSI Figures 1 and 2)
Vcc = 5.0 Vdc + 5%, T
Characteristics
RXC are two different clocks)
RXC are the same clock)
DSP56001 Electrical Characteristics
AC Electrical Characteristics - SSI Timing
J
J
= -40 to +105° C, CL = 50 pf + 1 TTL Load at 33 MHz,
= -40 to +105° C, CL = 50 pf + 1 TTL Load at 20.5 MHz and 27 MHz,
i ck a
i ck a
i ck a
i ck a
i ck a
i ck s
i ck a
i ck a
i ck a
i ck a
x ck
x ck
x ck
x ck
x ck
x ck
x ck
x ck
x ck
2
2
*
*
4
Min
cyc-20
cyc-20
*
—
—
—
—
—
—
—
—
15
35
25
35
15
35
20
55
35
cyc
5
5
20.5 MHz
Max
80
50
70
40
70
40
70
40
—
—
—
—
—
—
—
—
—
—
—
—
—
—
2
2
*
*
4
Min
cyc-15
cyc-15
*
12
27
19
27
12
27
15
42
27
—
—
—
—
—
—
—
—
cyc
4
4
27 MHz
Max
—
—
—
61
38
54
31
54
31
54
31
—
—
—
—
—
—
—
—
—
—
—
2
2
*
*
4
Min
cyc-13
cyc-13
*
10
22
16
22
10
23
13
34
22
—
—
—
—
—
—
—
—
cyc
4
4
33 MHz
Max
—
48
31
43
25
43
25
43
25
—
—
—
—
—
—
—
—
—
—
—
—
—
DSP56001
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns