參數資料
型號: MC68328
廠商: MOTOROLA INC
元件分類: 微控制器/微處理器
英文描述: DragonBall 32-Bit Microprocessor( DragonBall32位微處理器)
中文描述: 32-BIT, 16.67 MHz, MICROCONTROLLER, PQFP144
封裝: TQFP-144
文件頁數: 1/8頁
文件大?。?/td> 27K
代理商: MC68328
MOTOROLA
Semiconductor Application Note
Order by AN1767/D
(Motorola Order Number)
Rev. 0, 09/98
Motorola, Inc., 1998
D
DragonBall
Motorola’s DragonBall series of integrated processors have been widely adopted for hand-held
PDA system designs. The power management of these processors is one of the key factors in the
success of hand-held products. The MC68328 and MC68EZ328 are the currently available
DragonBall processors, and both contain the same power control module. This application note
describes the function of the power control unit in detail.
Power Management
DragonBall Common Reference Platform
Figure 1 shows a common MC68EZ328-based PDA design. It includes a pen-input touch panel,
an LCD panel, a communications port (RS232 or IrDA), memory, a speaker or buzzer, and a pager
receiver.
Figure 1.
MC68EZ328-Based System Example
Timer
Module
ICE Module
Interrupt
Controller
Static Core
68EC000
RTC
SPI Master
LCDC
Pulse with Modulator
8/16-bit Bus Interface
Power Control
I/O Ports
UART IrDA
Bootstrap
DRAMC
Chip Select
PLL
Touch
Panel
A/D
RF/IF
FLEX/POCSAG
Decoder
(MC68177)
RAM/DRAM
ROM/FLASH
RS232
Transceiver
(MC145583)
Infared
Transceiver
LCD Panel
Audio Amp
(MC34119)
32.768 kHz
or 38.4 kHz
MC68EZ328
AA1912
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