Modifications For U2A6 Device - Renesas RH850 User Manual

RH850/U2A 292pin
1.6

Modifications for U2A6 device

In order to use a U2A6 device with this piggyback board it is necessary to modify the board.
Following connections must be changed:
Device
Ball
J17
K17
H16
J16
K16
G17
H17
E17
The jumpers JP2, JP3 and JP22 must have the same setting as JP6 (E0VCC).
The four 0R resistors RB1-RB4 are on the upper side of the pcb. The setting of RB1-RB4 for
U2A16/8 or U2A6 use is printed on the pcb (Fig. 1.6).
Figure 1.6 RB1-RB4 setting
On the lower side of the pcb there is preparation to add a solder bridge for the connection of
RB5.
Figure 1.7 RB5 setting
R20UT4970ED0101 Rev.1.01
July 08, 2022
U2A16/8
RX_DATA_P
RX_DATA_N
TX_DATA_P
TX_DATA_N
GETH0BVCC
GETH0PVCC
GETH0RVCC
GETH0VCL
U2A/6 Item to be
VSS
VSS
E0VCC
E0VCC
E0VCC
E0VCC
E0VCC
VSS
1. Overview
modified
RB2
RB1
RB3
RB3
JP2
JP3
JP22
RB5
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