adsp-21160n Analog Devices, Inc., adsp-21160n Datasheet - Page 26

• Manufacturer Part Number: adsp-21160n
• Description: Dsp Microcomputer
• Manufacturer: Analog Devices, Inc.

ADSP-21160N
Multiprocessor Bus Request and Host Bus Request
See
of bus mastership between multiprocessing ADSP-21160Ns
(BRx) or a host processor, both synchronous and asynchronous
(HBR, HBG).
Table 14. Multiprocessor Bus Request and Host Bus Request
1
2
Parameter
Timing Requirements
t
t
t
t
t
t
t
t
t
Switching Characteristics
t
t
t
t
t
t
t
t
t
t
t
Only required for recognition in the current cycle.
(O/D) = open drain, (A/D) = active drive.
HBGRCSV
SHBRI
HHBRI
SHBGI
HHBGI
SBRI
HBRI
SRPBAI
HRPBAI
DHBGO
HHBGO
DBRO
HBRO
DPASO
TRPAS
DPAMO
PATR
DRDYCS
TRDYHG
ARDYTR
Table 14
and
Figure
HBG Low to RDx/WRx/CS Valid
HBR Setup Before CLKIN
HBR Hold After CLKIN
HBG Setup Before CLKIN
HBG Hold After CLKIN High
BRx, PA Setup Before CLKIN
BRx, PA Hold After CLKIN High
RPBA Setup Before CLKIN
RPBA Hold After CLKIN
HBG Delay After CLKIN
HBG Hold After CLKIN
BRx Delay After CLKIN
BRx Hold After CLKIN
PA Delay After CLKIN, Slave
PA Disable After CLKIN, Slave
PA Delay After CLKIN, Master
PA Disable Before CLKIN, Master
REDY (O/D) or (A/D) Low from CS and HBR Low
REDY (O/D) Disable or REDY (A/D) High from HBG
REDY (A/D) Disable from CS or HBR High
17. Use these specifications for passing
1
1
–26–
2
2
2
Min
6
1
6
1
9
1
6
2
1.5
1.5
1.5
0.25t
t
CK
+15
CCLK
– 5.5
Max
6.5 + t
12.5CR
7
8
8
0.25t
0.5t
11
CK
CCLK
+1.0
CK
+ t
+9
CCLK
–
REV. 0
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Unit
ns
ns
ns
ns
ns
ns
ns
ns