Operating Mode Switch (Mode) - Oki ML670100 User Manual

Chapter 3 Setup and Operation

3.1.2 Operating Mode Switch (MODE)

This switch specifies the Board's operating mode: Angel or normal.
Setting this switch to its ANGEL position debugs with a direct link to the development
host; the NORMAL position, with a link through a JTAG communications interface unit
(Oki Electric ADI Board or ARM Multi-ICE
Figure 3.4 shows the related circuitry.
ML670100
+3.3V ANGEL
100 kΩ
NORMAL
! ! ! ! Note ! ! ! !
The NORMAL position of this switch disconnects all PIO8 pins except PIO8.2 from the
user interface connectors.
ANGEL
Figure 3.3. Operating Mode Switch (MODE)
PIO8.0
PIO8.1
PIO8.3
PIO8.4
PIO8.5
PIO8.6
PIO8.7
TEST
MODE
HC04
Figure 3.4. Operating Mode Switch (MODE) Circuits
Page 3-4
MODE
NORMAL
TM
).
TC7MB3245
A B
OE
TC7MB3245
A B
OE
HC04
PIO8.0 (CNU2 pin29)
PIO8.1 (CNU2 pin30)
PIO8.3 (CNU2 pin32)
PIO8.4 (CNU2 pin33)
PIO8.5 (CNU2 pin34)
PIO8.6 (CNU2 pin35)
PIO8.7 (CNU2 pin36)
DBGACK (CNJ pin19)
DBGRQ (CNJ pin17)
TCK (CNJ pin11)
TMS (CNJ pin7)
nTRST (Inter circuit)
TDO (CNJ pin13)
TDI (CNJ pin5)