鈥?/div>
Up to 64K
脳
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
Freescale Semiconductor, Inc...
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鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
PWMA
RSTO
RESET
IRQA
EXTBOOT
IRQB
6
JTAG/
OnCE
Port
VPP
VCAPC V
DD
2
8
V
SS
8*
Digital Reg
Analog Reg
V
DDA
V
SSA
PWMB
Low Voltage
Supervisor
3
4
4
4
4
Quadrature
Decoder 0/
Quad Timer A
Quadrature
Decoder 1/
Quad B Timer
Quad Timer C
Program Controller
and
Hardware Looping Unit
Address
Generation
Unit
Data ALU
16 x 16 + 36
鈫?/div>
36-Bit MAC
Three 16-bit Input Registers
Two 36-bit Accumulators
Bit
Manipulation
Unit
4
2
4
2
2
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
鈥?/div>
PAB
鈥?/div>
鈥?/div>
PDB
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
IPBB
CONTROLS
16
Quad Timer D
/ Alt Func
CAN 2.0A/B
SCI0
or
GPIO
SCI1
or
GPIO
SPI
or
GPIO
Dedicated
GPIO
XDB2
CGDB
XAB1
XAB2
16-Bit
56800
Core
PLL
CLKO
XTAL
EXTAL
Clock Gen
鈥?/div>
INTERRUPT
CONTROLS
16
COP/
Watchdog
COP RESET
MODULE CONTROLS
ADDRESS BUS [8:0]
DATA BUS [15:0]
2
4
14
Application-
Specific
Memory &
Peripherals
IPBus Bridge
(IPBB)
External
Bus
Interface
Unit
External
Address Bus
Switch
External
Data Bus
Switch
Bus
Control
A[00:05]
6
10
16
PS Select
DS Select
WR Enable
RD Enable
A[06:15] or
GPIO-E2:E3 &
GPIO-A0:A7
D[00:15]
*
includes TCS pin which is reserved for factory use and is tied to VSS
Figure 1. 56F805 Block Diagram
漏 Motorola, Inc., 2004. All rights reserved.
For More Information On This Product,
Go to: www.freescale.com
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