HD64F2168 Datasheet, PDF (827/874 Pages) Renesas Technology Corp – Renesas 16-Bit Single-Chip Microcomputer

Table 25.3 Permissible Output Currents
Conditions: VCC = 3.0 V to 3.6 V, AVCC = 3.0 V to 3.6 V,
AVref = 3.0 V to AVCC, VSS = AVSS = 0 V
Item
Symbol Min. Typ. Max. Unit
Permissible output low current SCL5 to SCL0, SDA5 to SDA0 I_OL
(per pin)
Ports 1, 2, and 3
  10 mA
5
Other output pins
  1.6
Permissible output low current Total of ports 1, 2, and 3
(total)
Total of all output pins,
including the above
∑I_OL
  80
  90
Permissible output high
current (per pin)
All output pins
–I_OH
2
Permissible output high
current (total)
Total of all output pins
∑–I_OH 

60
Notes:
1. To protect LSI reliability, do not exceed the output current values in table 25.3.
2. When driving a Darlington transistor or LED, always insert a current-limiting resistor in the output
line, as show in figures 25.1 and 25.2.
This LSI
Port
2 kΩ
Darlington transistor
Figure 25.1 Darlington Transistor Drive Circuit (Example)
This LSI
Ports 1 to 3
600 Ω
LED
Figure 25.2 LED Drive Circuit (Example)
Rev. 3.00, 03/04, page 787 of 830