參數(shù)資料
型號: MC68HC705X4DW
廠商: MOTOROLA INC
元件分類: 微控制器/微處理器
英文描述: HCMOS Microcontroller Unit
中文描述: 8-BIT, OTPROM, 2.2 MHz, MICROCONTROLLER, PDSO28
封裝: SOIC-28
文件頁數(shù): 11/156頁
文件大?。?/td> 926K
代理商: MC68HC705X4DW
Introduction
Mask options on the MC68HC05X4
MC68HC05X4 Rev 1.0
MOTOROLA
Introduction
11
Mask options on the MC68HC05X4
There are two mask options on the MC68HC05X4. These bits are
programmed during manufacture and must be specified on the order
form.
Oscillator division ratio selection (divide-by-2 or divide-by-10)
COP watchdog timer (enable/disable)
Figure 1. Functional block diagram
P
PA0
PA1
PA2
PA3
PA4
PA5
PA6
PA7
P
PB0
PB1
PB2
PB3
PB4
PB5
PB6
PB7/TCMP
16-bit
programmable
timer
Oscillator
176 bytes
RAM
COP watchdog
VDD
VSS
OSC1
OSC2
M68HC05
CPU
÷
2 /
÷
10
239 bytes
bootstrap ROM
use4112 bytes
EPROM
(including 16 bytes
user vectors)
Line
interface
MCAN
VDDH
TX0
TX1
RX0
RX1
VSS1
MDS/TCAP(
VPP
)
RESET
3-intro
F
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
n
.
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