upd70208h Renesas Electronics Corporation., upd70208h Datasheet - Page 17

• Manufacturer Part Number: upd70208h
• Description: V40hltm, V50hltm 16/8, 16-bit Microprocessor
• Manufacturer: Renesas Electronics Corporation.

1.2 PROCESSING OF UNUSED PINS
1 to 10 k
AD0 to AD15
AD0 to AD7
A8 to A15
A16/PS0 to A19/PS3
REFRQ
HLDRQ
HLDAK
RESOUT
READY
NMI
MRD
MWR
IORD
IOWR
ASTB
UBE
High
BUSLOCK
POLL
BUFR/W
BUFEN
CLKOUT
BS0 to BS2
QS0, QS1
TOUT2
TCTL2
TCLK
INTP1 to INTP7
INTAK/SRDY/TOUT1
DMAAK3/TxD
DMARQ3/RxD
DMAAK0 to DMAAK2
DMARQ0 to DMARQ2
END/TC
Table 1-1 shows the processing (recommended connection) of the unused pins. Use of a resistor with a resistance of
Notes 1. V50HL only
Note 1
Note 2
Pin Name
Note 2
2. V40HL only
is recommended to connect these pins to V
Note 2
Note 1
3-state output
3-state output
3-state output
3-state output
3-state output
3-state output
3-state output
3-state output
3-state output
3-state output
3-state output
Input/Output
3-state I/O
3-state I/O
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Input
Input
Input
Input
Input
Input
Input
Input
Input
Table 1-1. Processing of Unused Pins
I/O
Data Sheet U13225EJ4V0DS00
Open
Connect to GND via resistor
Open
Open
Connect to V
Connect to GND via resistor
Open
Connect to GND via resistor
Open
Open
Connect to GND via resistor
Open
Connect to GND via resistor
Open
Connect to GND via resistor
Individually connect to V
DD
or GND via resistor.
DD
via resistor
Recommended Connection
DD
via resistor
PD70208H, 70216H
17