NXP Semiconductors EVB912UF32, Руководство пользователя, Страница: 14 / 44

EVB912UF32 Evaluation Board- Rev 1 User’s Manual
8 Configuration and Operation MOTOROLA
Configuration and Operation
Table 2-2 lists settings for the boot-mode jumpers. Place the jumper between
pins 1 and 2 to select a HI (logic 1) and between pins 2and 3 to select a LOW
(logic zero).
.
2.2.3 Configuration Jumper Settings
Table 2-3 lists the functions controlled by the rest of the jumpers on the board.
Table 2-2 Boot Mode Jumper Settings
Boot Mode
W13
MODC
W18
MODB
W16
MODA
Special Single Chip LOW LOW LOW
Emulation Expanded Narrow LOW LOW HI
Special Test (Expanded Wide) LOW HI LOW
Emulation Expanded Wide LOW HI HI
Normal Single Chip (Factory setting) HI LOW LOW
Normal Expanded Narrow HI LOW HI
Special Peripheral HI HI LOW
Normal Expanded Wide HI HI HI
Table 2-3 Configuration Jumper Settings
Function/RefDes Setting/ pins Effect
CLK / W1 XTAL 1-2* Selects crystal operation
OSC 2-3 Selects Y2 oscillator or an external
oscillator through J1
TERM / W2 JUMPR IN* Connects a 49 ohm termination to
the external clock line
JUMPR OUT 49 ohm termination is not connected
RST / W3 RST_B 1-2 Connects an active LOW reset to the
CompactFlash reset, CF_RES
RST 2-3* Connects an active HI reset to the
CompactFlash reset, CF_RES
CSEL / W4 HI 1-2 CSEL is connected to VDDX
LOW 2-3* CSEL is connected to Ground
RXD / W5 JUMPR IN* CF_A5 controls RS232 Received
Data.
JUMPR OUT CF_A5 is disconnected from RS232
Received Data.
TXD / W6 JUMPR IN* Connects RS232 Transmitted Data to
CF_A6.