upd78f0124m6gba1-8et Renesas Electronics Corporation., upd78f0124m6gba1-8et Datasheet - Page 42

• Manufacturer Part Number: upd78f0124m6gba1-8et
• Description: 8-bit Single-chip Microcontrollers
• Manufacturer: Renesas Electronics Corporation.

2.3 Pin I/O Circuits and Recommended Connection of Unused Pins
Notes 1. Except for rank K and rank I products. When using rank K or rank I products, connect as follows.
42
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
P20/ANI0 to P27/ANI7
P30/INTP1 to P32/INTP3
P33/TI51/TO51/INTP4
P60, P61 (Mask ROM version)
P60, P61 (Flash memory version)
P62, P63 (Mask ROM version)
P62, P63 (Flash memory version)
P70/KR0 to P77/KR7
P120/INTP0
P130
P140/PCL/INTP6
RESET
XT1
XT2
AV
AV
IC
V
PP
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.
REF
SS
2. Connect port 2 directly to EV
<When regulator is not used (REGC pin is connected directly to V
• XT1: Connect directly to EV
<When regulator is used (a 1
• XT1: Connect directly to the REGC pin.
Pin Name
8-A
5-A
8-A
5-A
8-A
9-C
8-A
13-R
8-A
3-C
8-A
2
16
13-S
13-V
13-W
I/O Circuit Type
DD
DD
µ
−
F capacitor is connected to REGC pin)>
when it is used as a digital port.
Table 2-2. Pin I/O Circuit Types
or V
CHAPTER 2 PIN FUNCTIONS
User’s Manual U16315EJ3V1UD
DD
.
I/O
Input
I/O
Output
I/O
Input
I/O
−
Input:
Output: Leave open.
Connect to EV
Input:
Output: Leave open.
Input:
Output: Leave this pin open at low-level output after clearing
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 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
DD
DD
SS
DD
or V
or EV
or V
)>
SS
DD
SS
DD
SS
SS
SS
.
.
.
or V
or V
or V
.
SS
SS
DD
Note 1
.
Note 2
.
.
DD
DD
DD
DD
or EV
or EV
or EV
or EV
SS
SS
SS
SS
via a resistor.
via a resistor.
via a resistor.
via a resistor.