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External
capacitor
0.1 µF
Figure 1.7 Difference between 5 V and 3 V Operation Models
1.5.4
Note on Changeover to Mask ROM Version
Care is required when changing from the H8/3062F-ZTAT A-mask version with on-chip flash
memory to a model with on-chip mask ROM (H8/3062, H8/3061, or H8/3060).
An external capacitor must be connected to the V
V model). This V
CL
versions. Changeover to a mask ROM version must therefore be taken into account when
undertaking pattern design, etc., in the board design stage.
H8/3062 Series chip
V
CC
V
CL
Figure 1.8 Example of Board Pattern Providing for External Capacitor
V
CL
5 V operation model
pin occupies the same location as a V
V
CC
supply
pin
pin
V
power
CC
supply
pin of the H8/3062F-ZTAT A-mask version (5
CL
pin in the on-chip mask ROM
CC
power
← Land pattern for mask ROM version
(0 Ω resistance mounted)
← Land pattern for H8/3062F-ZTAT A-mask version
(0.1 µF capacitor mounted)
V
CC
3 V operation model
25
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