E8A Datasheet, PDF (5/12 Pages) Renesas Technology Corp – On Board Programming for QzROM

On board programming circuit diagram for E8a(1)
IC Socket
Board/E8a
1
2
3
4
5
6
7
8
9
10
11
12
13
14
QzROM
Signal
ESCLK
VSS,AVSS
VPP
ESPGMB
N.C.
VSS,AVSS
ESDA
E8VCC
N.C.
VSS,AVSS
N.C.
VSS,AVSS
RESET
VSS,AVSS
©2009. Renesas Technology Corp., All rights reserved.
1. 38D5 and 38D2 Group QzROM (OSCSEL = “H”)
MCU (QzROM)
Vcc
E8VCC
Jumper ^{* 2}
Switch
VPP (OSCSEL)
4.7 kΩ
4.7 kΩ
14
13
12
11
10
9
8
7
6
4
3
2
1
RESET
circuit
ESDA
ESCLK
ESPGMB
*1
RESETB
Vss
AVss
XIN
XOUT
Set the same termination as the
single-chip mode.
*1 : Open-collector buffer
*2 : When programming QzROM is performed, disconnect Vcc from OSCSEL by a jumper switch.
Note: For the programming circuit, the wiring capacity of each signal pin must not exceed 47 pF.
Page : 3 Date : Oct.29.09 Rev.4.10 Code : On-board programming with E8a