Cypress CY7C0832AV Manual De Usuario
CY7C0837AV, CY7C0830AV
CY7C0831AV, CY7C0832AV
CY7C0831AV, CY7C0832AV
CY7C0832BV, CY7C0833AV
Document #: 38-06059 Rev. *S
Page 15 of 28
JTAG Timing and Switching Waveforms
Parameter
Description
CY7C0837AV/CY7C0830AV
CY7C0831AV/CY7C0832AV
CY7C0831AV/CY7C0832AV
CY7C0832BV/CY7C0833AV
Unit
Min
Max
f
JTAG
Maximum JTAG TAP Controller Frequency
10
MHz
t
TCYC
TCK Clock Cycle Time
100
ns
t
TH
TCK Clock HIGH Time
40
ns
t
TL
TCK Clock LOW Time
40
ns
t
TMSS
TMS Setup to TCK Clock Rise
10
ns
t
TMSH
TMS Hold After TCK Clock Rise
10
ns
t
TDIS
TDI Setup to TCK Clock Rise
10
ns
t
TDIH
TDI Hold After TCK Clock Rise
10
ns
t
TDOV
TCK Clock LOW to TDO Valid
30
ns
t
TDOX
TCK Clock LOW to TDO Invalid
0
ns
Figure 7. JTAG Switching Waveform
Test Clock
Test Mode Select
TCK
TMS
Test Data-In
TDI
TDI
Test Data-Out
TDO
TDO
t
TCYC
t
TMSH
t
TL
t
TH
t
TMSS
t
TDIS
t
TDIH
t
TDOX
t
TDOV