adsp-21160m Analog Devices, Inc., adsp-21160m Datasheet - Page 37

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

Serial Ports
To determine whether communication is possible between
two devices at clock speed n, the following specifications
must be confirmed: 1) frame sync delay and frame sync
setup and hold, 2) data delay and data setup and hold, and
3) SCLK width.
Table 21. Serial Ports—External Clock
1
2
Table 22. Serial Ports—Internal Clock
1
2
Table 23. Serial Ports—External or Internal Clock
1
Table 24. Serial Ports—External Clock
1
Table 25. Serial Ports—Internal Clock
REV. 0
Referenced to sample edge.
RFS hold after RCK when MCE = 1, MFD = 0 is 0 ns minimum from drive edge. TFS hold after TCK for late external TFS is 0 ns minimum from drive edge.
Referenced to sample edge.
RFS hold after RCK when MCE = 1, MFD = 0 is 0 ns minimum from drive edge. TFS hold after TCK for late external TFS is 0 ns minimum from drive edge.
Referenced to drive edge.
Referenced to drive edge.
Parameter
Timing Requirements:
t
t
t
t
t
t
Parameter
Timing Requirements:
t
t
t
t
Parameter
Switching Characteristics:
t
t
Parameter
Switching Characteristics:
t
t
t
t
Parameter
Switching Characteristics:
t
t
SFSE
HFSE
SDRE
HDRE
SCLKW
SCLK
SFSI
HFSI
SDRI
HDRI
DFSE
HOFSE
DFSE
HOFSE
DDTE
HDTE
DFSI
HOFSI
TFS/RFS Setup Before TCLK/RCLK
TFS/RFS Hold After TCLK/RCLK
Receive Data Setup Before RCLK
Receive Data Hold After RCLK
TCLK/RCLK Width
TCLK/RCLK Period
TFS Setup Before TCLK
TFS/RFS Hold After TCLK/RCLK
Receive Data Setup Before RCLK
Receive Data Hold After RCLK
RFS Delay After RCLK (Internally Generated RFS)
RFS Hold After RCLK (Internally Generated RFS)
TFS Delay After TCLK (Internally Generated TFS)
TFS Hold After TCLK (Internally Generated TFS)
Transmit Data Delay After TCLK
Transmit Data Hold After TCLK
TFS Delay After TCLK (Internally Generated TFS)
TFS Hold After TCLK (Internally Generated TFS)
1
; RFS Setup Before RCLK
1
1
1
1
1
1
1,2
1,2
1
–37–
1
1
1
1
1
1
1
Min
3.5
4
1.5
4
14
2t
Min
8
1
6.5
3
Min
3
Min
3
0
Min
–1.5
CCLK
Max
Max
Max
13
Max
13
16
Max
4.5
ADSP-21160M
Unit
ns
ns
ns
ns
ns
ns
Unit
ns
ns
ns
ns
Unit
ns
ns
Unit
ns
ns
ns
ns
Unit
ns
ns