Datasheet

 2012-2013 Microchip Technology Inc. DS60001185C-page 315
PIC32MX330/350/370/430/450/470
FIGURE 30-23: EJTAG TIMING CHARACTERISTICS
T
TCKcyc
T
TCKhigh
T
TCKlow
T
rf
T
rf
T
rf
T
rf
T
Tset up
T
Thold
T
TDOout
T
TDOzstate
Defined
Undefined
T
TRST*low
T
rf
TCK
TDO
TRST*
TDI
TMS
TABLE 30-42: EJTAG TIMING REQUIREMENTS
AC CHARACTERISTICS
Standard Operating Conditions: 2.3V to 3.6V
(unless otherwise stated)
Operating temperature -40°C  TA  +85°C for Industrial 
-40°C  T
A  +105°C for V-temp
Param.
No.
Symbol Description
(1)
Min. Max. Units Conditions
EJ1 TTCKCYC TCK Cycle Time 25 — ns —
EJ2 TTCKHIGH TCK High Time 10 — ns —
EJ3 TTCKLOW TCK Low Time 10 — ns —
EJ4 TTSETUP TAP Signals Setup Time Before
Rising TCK
5 — ns —
EJ5 TTHOLD TAP Signals Hold Time After
Rising TCK
3 — ns —
EJ6 TTDOOUT TDO Output Delay Time from
Falling TCK
— 5 ns —
EJ7 TTDOZSTATE TDO 3-State Delay Time from
Falling TCK
— 5 ns —
EJ8 TTRSTLOW TRST Low Time 25 — ns —
EJ9 TRF TAP Signals Rise/Fall Time, All
Input and Output
— — ns —
Note 1: These parameters are characterized, but not tested in manufacturing.