鈥?/div>
MCU-friendly instruction set supports both DSP and
controller functions: MAC, bit manipulation unit, 14
addressing modes
8-channel Programmable Chip Select
10-channel, 12-bit ADC
Synchronous Serial Interface (SSI)
Serial Port Interface (SPI)
Serial Communications Interface (SCI)
Time-of-Day (TOD) Timer
128-pin LQFP Package
16-dedicated and 48 shared GPIO
Freescale Semiconductor, Inc...
EXTBOOT
RESET
DEBUG
IRQB
V
DDIO
V
SSIO
6
JTAG/
OnCE
Port
5
5
V
DD
3
4
V
SS
V
DDA
2
V
SSA
2
IRQA
inputs
10
V
REFP
, V
REFMID
,
V
REFIN
3
V
REFLO
V
REFHI
Program and Boot
Memory
64512 x 16 Flash
1024 x 16 SRAM
ADC
Interrupt
Controller
Low Voltage Supervisor
Analog Reg
Program Controller
and Hardware
Looping Unit
PAB
PDB
Address
Generation
Unit
Data ALU
Bit
16 x 16 + 36
鈫?/div>
36-Bit MAC Manipulation
Three 16-bit Input Registers
Unit
Two 36-bit Accumulators
4
VPP
Quad Timer A/
or GPIO
16-Bit
56800
Core
PLL
CLKO
2
SCI 2 or
GPIO
SSI 0 or
GPI0
SCI 0 &1 or
SPI 0
SPI 1 or
GPIO
Programmable
Chip Select
Dedicated
GPIO
Data Memory
4096 x 16 Flash
4096 x 16 SRAM
6
XDB2
CGDB
XAB1
XAB2
INTERRUPT
CONTROLS
16
COP
RESET
MODULE
CONTROLS
ADDRESS
BUS [8:0]
DATA
BUS [15:0]
Clock
Gen
IPBB
CONTROLS
16
XTAL
EXTAL
4
COP/
Watchdog
4
PCS [2:7}
6
Application-
Specific
Memory &
Peripherals
TOD
Timer
IPBus Bridge
(IPBB)
External
Bus
Interface
Unit
External
Address Bus
Switch
16
A[00:15]
or
GPIOA16[00:16]
External
Data Bus
Switch
16
D[00:15]
or
GPIOG16[00:16]
PS or PCS[0]
DS or PCS[1]
WR
RD
16
Bus
Control
Figure 1. 56F827 Block Diagram
漏 Motorola, Inc., 2004. All rights reserved.
For More Information On This Product,
Go to: www.freescale.com
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