Renesas RH850/F1Kx Series - Recommended Connection of Unused Pins for RH850;F1 KM-S4; Table 63: Recommended Connection of Unused Pins for RH850;F1 KM-S4

RH850/F1Kx, RH850/F1K Series Hardware Design Guide
R01AN3841ED0110 Rev. 1.10 Page 79 of 108
August 8, 2019
4.4.3 Recommended Connection of Unused Pins for RH850/F1KM-S4
Table 63: Recommended connection of unused pins for RH850/F1KM-S4
Pin
Recommended Connection of Unused Pin
A0VREF, A1VREF
Note1
[144pin, 176pin, 233pin and 272pin]
Connect to EVCC or BVCC
[100pin]
Connect to EVCC
A0VSS, A1VSS
Note1
[144pin, 176pin, 233pin and 272pin]
Connect to EVSS or BVSS
[100pin]
Connect to EVSS
RESET
[144pin, 176pin, 233pin and 272pin]
Connect to EVCC or BVCC via a resistor
[100pin]
Connect to EVCC via a resistor
X1
Connect to AWOVSS via a resistor
X2
Leave open
XT1
Connect to REGVCC or AWOVSS via a resistor
Note4
(bit 0 of IPIBC0 = 1) or connected to AWOVSS (bit
0 of IPIBC0 = 0)
IP0_0/XT2
Connect to REGVCC or AWOVSS via a resistor
Note4
(bit 0 of IPIBC0 = 1) or
leave open (IPIBC0.0 bit = 0)
P0
P1
P2
P3
P8 (excluding P8_6)
P9
P20
Input state
- Leave open (PIBCn_m = 0 and PMCn_m = 0)
- Connect to EVCC or EVSS via resistor (PIBCn_m
= 1 and PMCn_m = 1)
Output state
- Leave open
P8_6
Input state
- Leave open (PIBCn_m = 0 and PMCn_m = 0)
- Connect to EVSS via resistor (PIBCn_m = 1 and
PMCn_m = 1)
Output state
- Leave open
P10 (excluding P10_1, P10_2, P10_6 and P10_8)
P11
P12
P13
P18
P19
P21
P22
[144piun, 176pin, 233pin and 272pin]
Input state
- Leave open (PIBCn_m = 0 and PMCn_m = 0)
- Connect to BVCC or BVSS via resistor (PIBCn_m
= 1 and PMCn_m = 1)
Output state
- Leave open
[100pin]
Input state
- Leave open (PIBCn_m = 0 and PMCn_m = 0)
- Connect to EVCC or EVSS via resistor (PIBCn_m
= 1 and PMCn_m = 1)
Output state
- Leave open