Datasheet

 2010 Microchip Technology Inc. DS39935C-page 65
ENC424J600/624J600
FIGURE 5-16: DEVICE CONNECTIONS FOR PSP MODE 6
Host MCU ENC424J600
CS
(1)
R/W
100 k
EN
AD<14:9>
(2)
AD<7:0>
INT
/SPISEL
PMCSx
PMRD/PMWR
PMENB
PMA<14:9>
PMD<7:0>
INTx
(3)
6
8
PSPCFG0
Note 1: Use of the CS strobe from the controller is optional. If not used, tie CS to VDD.
2: Connect these pins when direct addressing of the entire SRAM buffer is required. Tie to V
DD when only indirect
addressing is desired.
3: Use of the external interrupt signal to the controller is optional.
Host MCU ENC624J600
100 k
INT/SPISEL
INTx
(3)
PSPCFG1
PSPCFG2
PSPCFG3
AL
PMALL
6
+3.3V
44-pin Devices:
64-pin Devices:
PMA8
AD8
AD<14:9>
(2)
AD<7:0>
PMA<14:9>
PMD<7:0>
8
PMA8
AD8
+3.3V
CS
(1)
R/W
EN
PMCSx
PMRD/PMWR
PMENB
AL
PMALL