M34286T2-CPE User’s Manual
2. Setup
R20UT0214EJ0200 Rev.2.00
Page 23 of 70
Sep 16, 2010
(1) Pull-down Control Selecting Switches
With this product, pull-down control of G0-G3, D0-D7 and E0 by the pull-down control resistors (PU0, PU1 and PU2)
is not available. Use the pull-down control switches SW1-SW11 to select the function (pull-down control or not).
Table 2.1 Pull-down control switch settings
Switch
Name Factory-setting
Description
SW11
SW
11
ON
OF
F
G0
/G
1
ON side:
Pulls down the G0/G1 port with a
resistance of 150 k
Ω
.
OFF side:
Does not pull down the G0/G1
port.
SW10
SW
10
ON
OF
F
G2
/G
3
ON side:
Pulls down the G2/G3 port with a
resistance of 150 k
Ω
.
OFF side:
Does not pull down the G2/G3
port.
SW9
SW
9
ON
OF
F
D0
ON side:
Pulls down the D0 port with a
resistance of 150 k
Ω
.
OFF side:
Does not pull down the D0 port.
SW8
SW
8
ON
OF
F
D1
ON side:
Pulls down the D1 port with a
resistance of 150 k
Ω
.
OFF side:
Does not pull down the D1 port.
SW7
SW
7
ON
OF
F
D2
ON side:
Pulls down the D2 port with a
resistance of 150 k
Ω
.
OFF side:
Does not pull down the D2 port.
SW6
SW
6
ON
OF
F
D3
ON side:
Pulls down the D3 port with a
resistance of 150 k
Ω
.
OFF side:
Does not pull down the D3 port.
SW5
SW
5
ON
OF
F
D4
ON side:
Pulls down the D4 port with a
resistance of 150 k
Ω
.
OFF side:
Does not pull down the D4 port.
SW4
SW
4
ON
OF
F
D5
ON side:
Pulls down the D5 port with a
resistance of 150 k
Ω
.
OFF side:
Does not pull down the D5 port.
SW3
SW
3
ON
OF
F
D6
ON side:
Pulls down the D6 port with a
resistance of 150 k
Ω
.
OFF side:
Does not pull down the D6 port.
SW2
SW
2
ON
OF
F
D7
ON side:
Pulls down the D7 port with a
resistance of 150 k
Ω
.
OFF side:
Does not pull down the D7 port.
SW1
SW
1
ON
OF
F
E0
ON side:
Pulls down the E0 port with a
resistance of 150 k
Ω
.
OFF side:
Does not pull down the E0 port.
CAUTION
Note on Switch Settings:
•
Always shut OFF the emulator before changing switch settings and connecting the cable, etc. Otherwise
the internal circuit may cause a break.
