DSP56F805/D
Rev. 12.0, 02/2004
© Motorola, Inc., 2004. All rights reserved.
56F805
Technical Data
56F805 16-bit Hybrid Controller
• Up to 40 MIPS at 80MHz core frequency
DSP and MCU functionality in a unified,
C-efficient architecture
Hardware DO and REP loops
MCU-friendly instruction set supports both
DSP and controller functions: MAC, bit
manipulation unit, 14 addressing modes
31.5K × 16-bit words Program Flash
512 × 16-bit words Program RAM
4K × 16-bit words Data Flash
2K × 16-bit words Data RAM
2K × 16-bit words Boot Flash
Up to 64K × 16-bit words each of external
Program and Data memory
Two 6-channel PWM Modules
Two 4-channel, 12-bit ADCs
Two Quadrature Decoders
CAN 2.0 B Module
Two Serial Communication Interfaces (SCIs)
Serial Peripheral Interface (SPI)
Up to four General Purpose Quad Timers
JTAG/OnCE
TM
port for debugging
14 Dedicated and 18 Shared GPIO lines
144-pin LQFP Package
Figure 1. 56F805 Block Diagram
JTAG/
OnCE
Port
Digital Reg Analog Reg
Low Voltage
Supervisor
Program Controller
and
Hardware Looping Unit
Data ALU
16 x 16 + 36 → 36-Bit MAC
Three 16-bit Input Registers
Two 36-bit Accumulators
Address
Generation
Unit
Bit
Manipulation
Unit
PLL
Clock Gen
16-Bit
56800
Core
PAB
PDB
XDB2
CGDB
XAB1
XAB2
XTAL
EXTAL
INTERRUPT
CONTROLS
IPBB
CONTROLS
IPBus Bridge
(IPBB)
MODULE CONTROLS
ADDRESS BUS [8:0]
DATA BUS [15:0]
COP RESET
RESET
IRQA
IRQB
Application-
Specific
Memory &
Peripherals
Interrupt
Controller
Program Memory
32252 x 16 Flash
512 x 16 SRAM
Boot Flash
2048 x 16 Flash
Data Memory
4096 x 16 Flash
2048 x 16 SRAM
COP/
Watchdog
SPI
or
GPIO
SCI0
or
GPIO
Quad Timer D
/ Alt Func
Quad Timer C
A/D1
A/D2 ADC
4
2
4
4
4
4
6
PWM Outputs
Fault Inputs
PWMA
16 16
VCAPC V
DD
V
SS
V
DDA
V
SSA
6
28 8*
•
•
•
•
•
•
•
•
EXTBOOT
Current Sense Inputs
3
Quadrature
Decoder 0/
Quad Timer A
CAN 2.0A/B
2
CLKO
External
Address Bus
Switch
Bus
Control
External
Data Bus
Switch
External
Bus
Interface
Unit
RD Enable
WR Enable
DS Select
PS Select
10
16
6
A[00:05]
D[00:15]
A[06:15] or
GPIO-E2:E3 &
GPIO-A0:A7
4
4
6
PWM Outputs
Fault Inputs
PWMB
Current Sense Inputs
3
Quadrature
Decoder 1/
Quad B Timer4
2
SCI1
or
GPIO2
Dedicated
GPIO
14
VPP
RSTO
VREF
*includes TCS pin which is reserved for factory use and is tied to VSS


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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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