PIC32MX440F256H-80I Datasheet, PDF (632/646 Pages) Microchip Technology – 64/100-Pin General Purpose and USB 32-Bit Flash Microcontrollers

PIC32MX3XX/4XX
FIGURE 30-23: EJTAG TIMING CHARACTERISTICS
T_TCKeye
T_TCKhigh
T_TCKlow
T_rf
TCK
TMS
TDI
TDO
TRST*
T_Tsetup T_Thold
T_TRST*low
T_rf
T_rf
T_TDOout
T_rf
T_TDOzstate
Defined
Undefined
T_rf
TABLE 30-40: 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
Param.
No.
Symbol
Description
Min. Max. Units
Conditions
EJ1 TTCKCYC TCK Cycle Time
25
EJ2
TTCKHIGH TCK High Time
10
EJ3
TTCKLOW TCK Low Time
10
EJ4 TTSETUP TAP Signals Setup Time Before
5
Rising TCK
EJ5
TTHOLD
TAP Signals Hold Time After
3
Rising TCK
EJ6 TTDOOUT TDO Output Delay Time From
—
Falling TCK
EJ7 TTDOZSTATE TDO 3-State Delay Time From
—
Falling TCK
EJ8
TTRSTLOW TRST Low Time
25
EJ9
TRF
TAP Signals Rise/Fall Time, All
—
Input and Output
— nsec
— nsec
— nsec
— nsec
— nsec
5 nsec
5 nsec
— nsec
— nsec
DS61143E-page 630
Preliminary
© 2008 Microchip Technology Inc.