DSP56156 Motorola Inc, DSP56156 Datasheet - Page 22
![no-image](/images/no-image-200.jpg)
DSP56156
Manufacturer Part Number
DSP56156
Description
16-bit Digital Signal Processor
Manufacturer
Motorola Inc
Datasheet
1.DSP56156.pdf
(76 pages)
- Current page: 22 of 76
- Download datasheet (2Mb)
Num
22
AC Electrical Characteristics and Timing
Reset, Stop, Wait, Mode Select, and Interrupt Timing
10
11
12
13
14
15
16
17
18
19
20
RESET Assertion to Address, Data and
Control Signals High Impedance
Minimum Stabilization Duration
(See Note 1)
Asynchronous RESET Deassertion to
First External Address Output
(See Note 7)
Synchronous Reset Setup Time from
RESET Deassertion to Rising Edge of
CLKO
Synchronous Reset Delay Time from
CLKO High to the First External Access
(See Note 7)
Mode Select Setup Time
Mode Select Hold Time
Edge-triggered Interrupt Request Width
Delay from IRQA, IRQB Assertion to
External Data Memory Access Out Valid
- Caused by First Interrupt
- Caused by First Interrupt
Delay from IRQA, IRQB Assertion to
General Purpose Output Valid Caused
by the Execution of the First Interrupt
Instruction
Delay from External Data Memory
Address Output Valid Caused by First
Interrupt Instruction Execution to Inter-
rupt Request Deassertion for Level Sen-
sitive Fast Interrupts (See Note 2)
Reset, Stop, Wait, Mode Select, and Interrupt Timing
(V
Instruction Fetch
Instruction Execution
CC
cyc = Clock cycle =
ws = Number of wait states programmed into external bus access using BCR (WS = 0 - 31)
= 5.0 V dc ± 10%, T
Characteristics
Table 13 Reset, Stop, Wait, Mode Select, and Interrupt Timing
OMR bit 6=0
OMR bit 6=1
1
/
J
Freescale Semiconductor, Inc.
= -40 to +125 C, C
2
instruction cycle = 2 T cycles
For More Information On This Product,
DSP56156 Data Sheet
600KT
16T+3
11T+4
19T+4
22T+5
Min
Go to: www.freescale.com
60T
16T
22
13
—
—
7
0
40 MHz
cyc ws
18T+20
16T+20
5T-26
Max
cyc-4
L
25
—
—
—
—
—
—
—
—
+
= 50 pF + 1 TTL Load)
16T+ 3
600KT
11T+4
19T+4
22T+4
Min
60T
16T
—
20
11
—
6
0
50 MHz
cyc ws
18T+17
16T+18
5T-24
Max
cyc-3
23
—
—
—
—
—
—
—
—
+
600KT
16T+3
11T+3
19T+3
22T+3
Min
60T
16T
—
18
—
5
0
9
60 MHz
cyc ws
18T+15
16T+16
5T-22
Max
cyc-2
21
—
—
—
—
—
—
—
—
+
MOTOROLA
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
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