EP7309-CR Cirrus Logic Inc, EP7309-CR Datasheet - Page 20

• Manufacturer Part Number: EP7309-CR
• Description: 32-Bit Microcontroller IC
• Manufacturer: Cirrus Logic Inc

Specifications of EP7309-CR

• Controller Family/series: (ARM7)
• Core Size: 32 Bit
• No. Of Timers 8/12/16/32 Bits: 0 / 0 / 2 / 0
• Interface: SSI, UART
• Embedded Interface Type: SSI, UART
• Mounting Type: Surface Mount
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

EP7309
High-Performance, Low-Power System on Chip
JTAG
20
TCK clock period
TCK clock high time
TCK clock low time
JTAG port setup time
JTAG port hold time
JTAG port clock to output
JTAG port high impedance to valid output
JTAG port valid output to high impedance
TMS
TDO
TCK
TDI
t
clk_high
t
JPzx
t
clk_per
t
Parameter
clk_low

Copyright 2001 Cirrus Logic (All Rights Reserved)
Figure 9. JTAG Timing Measurement
t
JPco
t
JPs
t
JPh
Symbol
t
t
t
clk_high
clk_per
clk_low
t
t
t
t
t
JPco
JPzx
JPxz
JPs
JPh
t
JPxz
Min
100
50
50
20
45
-
-
-
Max
25
25
25
-
-
-
-
-
DS507PP1
Units
ns
ns
ns
ns
ns
ns
ns
ns