Manual

96
T48C862-R4
4551B–4BMCU–02/03
Note: The Pin BP20/NTE has a static pull-up resistor during the reset-phase of the microcontroller
Power-on Reset Threshold Voltage
POR threshold voltage BOT = 1 V
POR
1.54 1.7 1.88 V
POR threshold voltage BOT = 0 V
POR
1.83 2.0 2.20 V
POR hysteresis V
POR
50 mV
Voltage Monitor Threshold Voltage
VM high threshold voltage V
DD
> VM, VMS = 1 V
MThh
3.0 3.35 V
VM high threshold voltage V
DD
< VM, VMS = 0 V
MThh
2.77 3.0 V
VM middle threshold voltage V
DD
> VM, VMS = 1 V
MThm
2.6 2.9 V
VM middle threshold voltage V
DD
< VM, VMS = 0 V
MThm
2.4 2.6 V
VM low threshold voltage V
DD
> VM, VMS = 1 V
MThl
2.2 2.44 V
VM low threshold voltage V
DD
< VM, VMS = 0 V
MThl
2.0 2.2 V
External Input Voltage
VMI V
DD
= 3 V, VMS = 1 V
VMI
1.3 1.44 V
VMI V
DD
= 3 V, VMS = 0 V
VMI
1.18 1.3 V
All Bi-directional Ports
Input voltage LOW V
DD
= 2.0 to 4.0 V V
IL
V
SS
0.2 ´
V
DD
V
Input voltage HIGH V
DD
= 2.0 to 4.0 V V
IH
0.8 ´
V
DD
V
DD
V
Input LOW current
(switched pull-up)
V
DD
= 2.0 V,
V
DD
= 3.0 V, V
IL
= V
SS
I
IL
-3
-10
-8
-20
-14
-40
µA
µA
Input HIGH current
(switched pull-down)
V
DD
= 2.0 V,
V
DD
= 3.0 V, V
IH
= V
DD
I
IH
3
10
6
20
14
40
µA
µA
Input LOW current
(static pull-up)
V
DD
= 2.0 V
V
DD
= 3.0 V, V
IL
= V
SS
I
IL
-30
-80
-50
-160
-98
-320
µA
µA
Input LOW current
(static pull-down)
V
DD
= 2.0 V
V
DD
= 3.0 V, V
IH
= V
DD
I
IH
20
80
50
160
100
320
µA
µA
Input leakage current V
IL
= V
SS
I
IL
100 nA
Input leakage current V
IH
= V
DD
I
IH
100 nA
Output LOW current V
OL
= 0.2 ´ V
DD
V
DD
= 2.0 V
V
DD
= 3.0 V
I
OL
0.9
3
1.8
5
3.6
8
mA
mA
Output HIGH current V
OH
= 0.8 ´ V
DD
V
DD
= 2.0 V
V
DD
= 3.0 V
I
OH
-0.8
-3
-1.7
-5
-3.4
-8
mA
mA
DC Operating Characteristics (Continued)
V
SS
= 0 V, T
amb
= -40°C to +125°C unless otherwise specified.
Parameters Test Conditions Symbol Min. Typ. Max. Unit