D6122G NEC, D6122G Datasheet - Page 9

• Manufacturer Part Number: D6122G
• Description: Search -----> UPD6122G
• Manufacturer: NEC

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Caution
Figure 3-3. Example of Custom Code Setting for Ver II Specifications ( PD6121-002, 6122-002)
Configuration Example
C
O
In this configuration example, C
The inversion/non-inversion of the lower 8 bits of the custom code’ is fixed by the bit of the external pull-
up resistor of KI/O
C
connected to KI/O
2
7
7
, C
. Therefore, in the configuration example, they become 1 0 0 .
, C
1
6
, C
and C
5
C
, C
6
’ and C
4
0
CCS
Connection of any one line
of the higher 8 bits of the custom code are fixed by connecting the CCS pin to KI/O
and C
V
DD
6
0
7
’ are fixed to 0.
C
and KI/O
1
0
1
1
to KI/O
3
7
KI/O
of the higher 8 bits of the custom code are selected and fixed by the pull-up resistor
0
C
0
0
1
1
5
6
.
External setting (Refer to Configuration Example)
7
KI/O
in four channels.
3
C
Bit for non-inversion of custom code is set
V
1
1
0
1
1
5
to C
DD
C
KI/O
7
1
1: Non-inversion for C
0: Inversion for C
Lower 8 bits of custom code’
C
0
(KI/O
1
1
1
1
’ C
of the higher 8 bits of the custom code become 1 1 0 1 1 .
4
2
0
1
’ C
0
: Connected
, KI/O
1
C
KI/O
0
1
1
1
2
3
’ C
0
3
2
3
)
’ C
0
4
Disconnected
Disconnected
0
’ C
KI/O
Connected
Connected
Pull-up resistor bit
to C
0
5
KI/O
’ C
0
4
7
to C
0
Pull-up resistor
C
6
6
’ C
0
7
KI/O
0
C
7
’
1
Disconnected
Disconnected
5
C
Connected
Connected
2
: Not connected
KI/O
KI/O
7
6
V
KI/O
DD
7
PD6121, 6122
V
DD
C
3
ROM3 selector
C
4
C
5
C
6
0
C
to KI/
7
9
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