Datasheet

Table 14. Functional reset pad electrical specifications
Symbol Parameter Conditions Value Unit
Min Typ Max
V
IH
Input high level TTL (Schmitt Trigger) — 2.0 — V
DD_HV_A
+0.4
V
V
IL
Input low level TTL (Schmitt Trigger) — –0.4 — 0.8 V
V
HYS
Input hysteresis TTL (Schmitt Trigger) — 300 — — mV
V
DD_POR
Minimum supply for strong pull-down
activation
— — — 1.2 V
I
OL_R
Strong pull-down current
1
Device under power-on reset
V
DD_HV_A
= V
DD_POR
V
OL
= 0.35*V
DD_HV_A
0.2 — — mA
Device under power-on reset
V
DD_HV_A
= V
DD_POR
V
OL
= 0.35*V
DD_HV_IO
11 — — mA
W
FRST
RESET input filtered pulse — — — 500 ns
W
NFRST
RESET input not filtered pulse — 2000 — — ns
|I
WPU
| Weak pull-up current absolute value RESET pin V
IN
= V
DD
23 — 82 µA
1. Strong pull-down is active on PHASE0, PHASE1, PHASE2, and the beginning of PHASE3 for RESET.
3.6 PORST electrical specifications
Table 15. PORST electrical specifications
Symbol Parameter Value Unit
Min Typ Max
W
FPORST
PORST input filtered pulse — — 200 ns
W
NFPORST
PORST input not filtered pulse 500 — — ns
V
IH
Input high level — 0.65 x V
DD_HV_A
— ns
V
IL
Input low level — 0.35 x V
DD_HV_A
— ns
I/O parameters
MPC5748G Microcontroller Datasheet Data Sheet, Rev. 2, 05/2014.
Freescale Semiconductor, Inc.
Preliminary
21