MPC5200B Users Guide, Rev. 1
11-24 Freescale Semiconductor
ATA Interface Description

Figure 11-2. Connections—Controller Cable, System Board, MPC5200B

11.6 ATA Interface Description

Table11-34. ATA Controller External Connections

Pin# Cable I/O System Board I/O MPC5200B
1 RESET O RESET :Reset N/A—GPIO optional
2 GND ———
3–18 DD[15:0]
3,5,7, 9,11,13, 15,17DD[7:0]
18,16,14, 12,10,8, 6,4DD[15:8]
I/O DD[0:15] I/O ATA_DATA[15:0]
19 GND ———

Bidirectional

Output

Input

LEGEND

MPC5200

RESET

ATA Controller

N/A–GPIO Optional

System BoardCable

GND
DD[15:0] ATA_DATA[15:0]
GND
KEY
DMARQ ATA_DRQ
GND
DIOW:STOP ATA_IOW
GND
DIOR:HDMARDY: HSTROBE ATA_IOR
GND
IORDY:DDMARDY:DSTROBE ATA_IOCHRDY
CSEL
DMACK ATA_DACK
GND
INTRQ ATA_INTRQ
Reserved
DA[1] ATA_SA [1]
PDIAG
DA[0] ATA_SA [0]
DA[2] ATA_SA [2]
CS[0] ATA_CS[1]FX(CS[4])
CS[1] ATA_CS[3]FX(CS[5])
DASP
GND
Pin1
Pin 40
33 Ohms
82 Ohms
22 Ohms
22 Ohms
82 Ohms
22 Ohms
82 Ohms
22 Ohms
22 Ohms
22 Ohms
22 Ohms
22 Ohms
Note: On system board:
1. All outgoing signals need 3.3V to 5 V level shifters.
2. All incoming signals need 5V to 3.3 V level shifters or 5V
tolerant input buffers on MPC5200B ATA signals.

See Notes