3069RF-ZTAT Datasheet, PDF (737/1003 Pages) Renesas Technology Corp – RENESAS 16-BIT SINGLE-CHIP MICROCOMPUTER

Table 21.3 Permissible Output Currents
Conditions: V_CC = AV_CC = 5.0 V ± 10%, V_REF = 4.5 V to AV_CC, V_SS = AV_SS = 0 V,
T_a = –20°C to +75°C (Regular specifications)
Item
Symbol
Min Typ Max Unit
Permissible output
Ports 1, 2, and 5
I_OL
— — 10 mA
low current (per pin)
Other output pins
— — 2.0 mA
Permissible output
low current (total)
Total of 20 pins in
Ports 1, 2, and 5
ΣI_OL
— — 80 mA
Total of all output pins,
including the above
— — 120 mA
Permissible output
high current (per pin)
All output pins
| –I_OH |
— — 2.0 mA
Permissible output
high current (total)
Total of all output pins
| –ΣI_OH |
— — 40 mA
Notes: 1. To protect chip reliability, do not exceed the output current values in table 21.3.
2. When directly driving a darlington pair or LED, always insert a current-limiting resistor
in the output line, as shown in figures 21.1 and 21.2.
H8/3069RF-ZTAT
Port
2 kΩ
Darlington pair
Figure 21.1 Darlington Pair Drive Circuit (Example)
Rev. 5.0, 09/04, page 715 of 978