DM9000B_CKT_071807-15 2
4 3 1
D
JP1 JP2
DVDD_33 JP1 1 JUMPER 2 R1 10K R0603 IO16 LED1 SPEED_LED 1 2 3 SPEED_LED 2 CON3 JP4 LED2 LINK_LED 2 1 LINK/ACT R4 510 R0603 1 2 3 CON3 JP3 LED1 1 SPEED R2 510 R0603 JUMPER 2 JP2 1
RST# CS# IOR# IOW# INT
ON OFF ON OFF : : : : USE USE USE NOT 8 Bit MODE 16 Bit MODE EEPROM USE EEPROM
LOW LOW LOW LOW HIGH
ACTIVE ACTIVE ACTIVE ACTIVE ACTIVE
(POWER RESET) (CHIP SELECT) (IO DATA READ) (IO DATA WRITE) (INTERRUPT ACTIVE)
FOR NORMAL SYSTEM JP3 2-3 SHORT , JP4 2-3 SHORT FOR X86 ISA SYSTEM 16 Bit MODE TEST JP3 1-2 SHORT , JP4 2-3 SHORT FOR MDC/MDIO 16 Bit MODE TEST JP3 OPEN , JP4 OPEN
DVDD_33
D
IOW# IOR # CS#
P_IN_5V
JP5 HEADER/16X2
C4 60pF C0603 U1 DVDD_33 IOWAIT LED2 LINK_LED
C5 60pF C0603
C6 60pF C0603
IOW# IOR# IO16
IOWAIT CS# CMD INT RST#
DGND DVDD_33 93LC46/D……
