upd78f0124hgba1-8et-a Renesas Electronics Corporation., upd78f0124hgba1-8et-a Datasheet - Page 36

• Manufacturer Part Number: upd78f0124hgba1-8et-a
• Description: 8-bit Single-chip Microcontrollers
• Manufacturer: Renesas Electronics Corporation.

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2.3 Pin I/O Circuits and Recommended Connection of Unused Pins
36
P00/TI000
P01/TI010/TO00
P02
P03
P10/SCK10/TxD0
P11/SI10/RxD0
P12/SO10
P13/TxD6
P14/RxD6
P15/TOH0
P16/TOH1/INTP5
P17/TI50/TO50/FLMD1
P20/ANI0 to P27/ANI7
P30/INTP1
P31/INTP2
(except
P31/INTP2 (
P32/INTP3
P33/TI51/TO51/INTP4
P60, P61
P62, P63
P70/KR0 to P77/KR7
P120/INTP0
P130
P140/PCL/INTP6
RESET
XT1
XT2
AV
AV
FLMD0
Table 2-2 shows the types of pin I/O circuits and the recommended connections of unused pins.
Refer to Figure 2-1 for the configuration of the I/O circuit of each type.
Notes 1.
REF
SS
µ
PD78F0124HD)
2.
Pin Name
µ
PD78F0124HD)
Bit 6 (FRC) of the processor clock control register (PCC) must be set to 1 after reset mode is released.
Connect port 2 directly to EV
8-A
5-A
8-A
5-A
8-A
9-C
8-A
13-R
13-W
8-A
3-C
8-A
2
16
I/O Circuit Type
−
Table 2-2. Pin I/O Circuit Types
DD
CHAPTER 2 PIN FUNCTIONS
User’s Manual U16962EJ3V0UD
when it is used as a digital port.
I/O
Input
I/O
Output
I/O
Input
I/O
−
Input:
Output: Leave open.
Connect to AV
Input:
Output: Leave open.
Input:
Output: Leave open.
Input:
Output: Leave open.
Leave open.
Input:
Output: Leave open.
Connect to EV
Connect directly to EV
Leave open.
Connect directly to EV
Connect directly to EV
Connect directly to EV
Connect to EV
Input:
Output: Leave this pin open at low-level output after clearing
Independently connect to EV
Independently connect to EV
Independently connect to EV
Connect to EV
the output latch of the port to 0.
Independently connect to EV
Independently connect to EV
Recommended Connection of Unused Pins
REF
SS
DD
via a resistor.
or V
or AV
DD
SS
DD
SS
SS
SS
.
SS
or V
or V
or V
.
or V
.
SS
SS
SS
DD
Note 1
.
.
Note 2
.
.
DD
DD
DD
DD
DD
or EV
or EV
or EV
or EV
or EV
SS
SS
SS
SS
SS
via a resistor.
via a resistor.
via a resistor.
via a resistor.
via a resistor.