Ata Interface Description; Connections—Controller Cable, System Board, Mpc5200 - Freescale Semiconductor MPC5200B User Manual

ATA Interface Description

Cable
Pin1
DIOR:HDMARDY:HSTROBE
IORDY:DDMARDY:DSTROBE
Pin 40
Note: On system board:
1. All outgoing signals need 3.3V to 5V level shifters.
2. All incoming signals need 5V to 3.3V level shifters or 5V
tolerant input buffers on MPC5200B ATA signals.
Figure 11-2. Connections—Controller Cable, System Board, MPC5200B
11.6 ATA Interface Description
Pin#
1
2
3–18 DD[15:0]
3,5,7,9,11,13,15,17→DD[7:0]
18,16,14,12,10,8,6,4→DD[15:8]
19
11-24
RESET
GND
DD[15:0]
GND
KEY
DMARQ
GND
DIOW:STOP
GND
GND
CSEL
DMACK
GND
INTRQ
Reserved
DA[1]
PDIAG
DA[0]
DA[2]
CS[0]
CS[1]
DASP
GND
Table 11-34. ATA Controller External Connections
Cable I/O
RESET O
GND —
I/O
GND —
MPC5200B Users Guide, Rev. 1
System Board
See Notes
33 Ohms
82 Ohms
22 Ohms
22 Ohms
82 Ohms
22 Ohms
82 Ohms
22 Ohms
22 Ohms
22 Ohms
22 Ohms
22 Ohms
System Board
RESET:Reset
—
DD[0:15]
—
MPC5200
ATA Controller
N/A–GPIO Optional
ATA_DATA[15:0]
ATA_DRQ
ATA_IOW
ATA_IOR
ATA_IOCHRDY
ATA_DACK
ATA_INTRQ
ATA_SA[1]
ATA_SA[0]
ATA_SA[2]
ATA_CS[1]FX(CS[4])
ATA_CS[3]FX(CS[5])
LEGEND
Bidirectional
Output
Input
I/O MPC5200B
— N/A—GPIO optional
— —
I/O ATA_DATA[15:0]
— —
Freescale Semiconductor