Motorola DSP56012 User Manual

Figure 2-1  DSP56012 Signals

Digital Audio

Transmitter (DAX)

PLL

 OnCE™

Port

Power Inputs:
PLL
Internal Logic
A
D
HI
SHI

DSCK/OS1
DSI/OS0
DSO
DR

PLOCK

PCAP

PINIT

EXTAL

V

CCP

V

CCQ

V

CCA

V

CCD

V

CCH

V

CCS

4

Serial Audio

Interface (SAI)

Rec0
Rec1

Tran0
Tran1
Tran2

1

2

3

Grounds:
PLL
Internal Logic
A
D
HI
SHI

GND

P

GND

Q

GND

A

GND

D

GND

H

GND

S

4
3
2

3

Interrupt 
/Mode 
Control

MODA/IRQA
MODB/IRQB

MODC/NMI

RESET

Host

Interface

(HI) Port

H0–H7
HOA0
HOA1
HOA2
HR/W
HEN
HOREQ
HACK

WSR
SCKR
SDI0
SDI1
WST
SCKT
SDO0
SDO1
SDO2

ADO
ACI

8

2

4

Serial Host

Interface (SHI)

MOSI/HA0
SS/HA2
MISO/SDA
SCK/SCL
HREQ

Port B GPIO
PB0–PB7
PB8
PB9
PB10
PB11
PB12
PB13
PB14

General Purpose

Input/Output (GPIO)

GPIO0–GPIO7

8