Datasheet

Section 26 Electrical Characteristics
Rev. 3.00 Sep. 28, 2009 Page 879 of 910
REJ09B0350-0300
Table 26.3 Permissible Output Currents
Conditions: V
CC
= 3.0 V to 3.6 V, V
SS
= 0V
Item Symbol Min. Typ. Max. Unit
Permissible output low
current (per pin)
SCL0, SDA0, SCL1, SDA1,
SCL2, SDA2, ExSCLA,
ExSDAA, ExSCLB, ExSDAB,
PS2AC to PS2DC, PS2AD to
PS2DD,
and PA7 to PA4 (bus drive
function selected)
I
OL
⎯ ⎯ 8 mA
Ports 1, 2, 3, C, and D ⎯ ⎯ 5
Other output pins ⎯ ⎯ 2
Total of ports 1, 2, 3, C, and D ΣI
OL
⎯ ⎯ 40 Permissible output low
current (total)
Total of all output pins,
including the above
⎯ ⎯ 60
Permissible output high
current (per pin)
All output pins –I
OH
⎯ ⎯ 2
Permissible output high
current (total)
Total of all output pins Σ– I
OH
⎯ ⎯ 30
Notes: 1. To protect LSI reliability, do not exceed the output current values in table 26.3.
2. When driving a Darlington transistor or LED, always insert a current-limiting resistor in
the output line, as show in figures 26.1 and 26.2.