Freescale Semiconductor 56F8122 Manuel D’Utilisation

Freescale Semiconductor

3

Preliminary

16-Bit

56800E Core

Interrupt

Controller

4

IRQA

Data Memory

4K x 16 RAM

PDB

PDB

XAB1
XAB2

XDB2

CDBR

SPI0 or 
SCI1 or

GPIOB

IPBus Bridge (IPBB)

RW 

Control

IPWDB

IPRDB

System Bus

Control

R/W Control

Memory 

PAB

PAB

CDBW

CDBR

CDBW

Digital Reg

Analog Reg

Low Voltage

Supervisor

V

CAP

V

DD

V

SS

V

DDA

V

SSA

4 

2

4

4

RESET

6

Quad Timer C 

or SCI0 

or GPIOC

AD0

3

Quad 

Timer A or 

GPIO B

GPIOC

2

4

2

3

PLL

Clock

Generator* 

XTAL or GPIOC

EXTAL or GPIOC

System

Integration

Module

P

O

R

O

S

C

Clock 

resets

PWMA or 

SPI1 or 

GPIOA

*Includes On-Chip 

Relaxation Oscillator

VREF

COP/

Watchdog

AD1

3

Program Memory

16K x 16 Flash

4K x 16 Boot 

Flash

Note: Features in italics are NOT available in the 56F8122 device.

• Up to 60 MIPS at 60MHz core frequency

• DSP and MCU functionality in a unified, 

C-efficient architecture

• 32KB Program Flash 

• 8KB Data RAM

• 8KB Boot Flash

• Two 3-channel 12-bit ADCs

• Up to two Serial Communication Interfaces (SCIs)

• Up to two Serial Peripheral Interfaces (SPIs)

• Two general-purpose Quad Timers

• Computer Operating Properly (COP)/Watchdog

• On-Chip Relaxation Oscillator

• JTAG/Enhanced On-Chip Emulation (OnCE™) for 

unobtrusive, real-time debugging

• Up to 21 GPIO lines

• 48-pin LQFP Package