ENC424J600-I Datasheet, PDF (64/168 Pages) Microchip Technology – Stand-Alone 10/100 Ethernet Controller with SPI or Parallel Interface

ENC424J600/624J600
FIGURE 5-13:
DEVICE CONNECTIONS FOR PSP MODE 5
44-pin Devices:
Host MCU
PMCSx
PMRD
PMWR
PMALL
PMA<14:9>
PMA8
PMD<7:0>
INTx⁽³⁾
6
8
100 k
ENC424J600
CS⁽¹⁾
RD
WR
AL
AD<14:9>⁽²⁾
AD8
AD<7:0>
INT/SPISEL
PSPCFG0
64-pin Devices:
Host MCU
PMCSx
PMRD
PMWR
PMALL
PMA<14:9>
PMA8
PMD<7:0>
INTx⁽³⁾
6
8
+3.3V
ENC624J600
CS⁽¹⁾
RD
WR
AL
AD<14:9>⁽²⁾
AD8
AD<7:0>
INT/SPISEL
100 k
PSPCFG1
PSPCFG2
PSPCFG3
Note 1:
2:
3:
Use of the CS strobe from the controller is optional. If not used, tie CS to VDD.
Connect these pins when direct addressing of the entire SRAM buffer is required. Tie to VDD when only indirect
addressing is desired.
Use of the external interrupt signal to the controller is optional.
DS39935C-page 62
 2010 Microchip Technology Inc.