參數(shù)資料
型號(hào): MC68HC705CL4FU
廠商: MOTOROLA INC
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 1.84 MHz, MICROCONTROLLER, PQFP80
封裝: QFP-80
文件頁(yè)數(shù): 6/101頁(yè)
文件大?。?/td> 517K
代理商: MC68HC705CL4FU
GENERAL RELEASE SPECIFICATION
February 12, 1997
MOTOROLA
GENERAL DESCRIPTION
MC68HC05CL4
1-2
REV 2.0
1.3
MCU STRUCTURE
The overall block diagram of the MC68HC05CL4 is shown in Figure 1-1.
Figure 1-1. MC68HC05CL4 Block Diagram
NOTE
A line over a signal name indicates an active low signal. Any reference to voltage,
current, or frequency specied in the following sections will refer to the nominal
values. The exact values and their tolerance or limits are specied in Section 12.
PB0
PB1
PB2
PB3
PB4
PB5
OSCILLATOR
AND DIVIDE
BY 2
DATA
DIR
REG
PORT
B
REG
OSC1 OSC2
CORE
TIMER
(COP)
1K bytes
RAM
(64 Stack)
PA0
PA1
PA2
PA3
PA4
PA5
PA6
PA7
DATA
DIR
REG
PORT
A
REG
RESET IRQ
16 bits
Timer
TCMP/RDO
TCAP/RDI
CALLER ID
FSK+
FSK-
RT
VDD
VSS
STK PTR
COND CODE REG 1 1 1
I N Z C
H
INDEX REG
CPU CONTROL
0 0 0
1
0
ALU
68HC05 CPU
ACCUM
PROGRAM COUNTER
CPU REGISTERS
FP(0:44)
LVI/LVR
BP(0:7)
LCD
6K bytes
ROM
RD1
RD2
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