參數(shù)資料
型號(hào): 68HC05M68HC
廠商: Motorola, Inc.
英文描述: HCMOS Microcontroller Unit
中文描述: HCMOS微控制器
文件頁數(shù): 21/130頁
文件大?。?/td> 1541K
代理商: 68HC05M68HC
General Description
Features
MC68HC705P6A
Rev. 2.0
Advance Information
MOTOROLA
General Description
21
Figure 1-1. MC68HC705P6A Block Diagram
NOTE:
A line over a signal name indicates an active low signal. For example,
RESET is active high and RESET is active low.
Any reference to voltage, current, or frequency specified in the following
sections will refer to the nominal values. The exact values and their
tolerances or limits are specified in
Section 14. Electrical
Specifications
.
INTERNAL
CPU CLOCK
A
16-BIT TIMER
1 INPUT CAPTURE
1 OUTPUT COMPARE
PORT D LOGIC
COP
OSC
COND CODE REG
1 1 1
I N Z C
H
INDEX REG
CPU CONTROL
0 0 0
STK PNTR
1
1
0
0
0
0
0
÷
4
RESET
OSC 1
OSC 2
PD7/TCAP
TCMP
SRAM — 176 BYTES
USER EPROM — 4672 BYTES
IRQ/V
PP
ALU
M68HC05 CPU
ACCUM
PROGRAM COUNTER
CPU REGISTERS
÷
2
PA7
PA0
PA1
PA2
PA3
PA4
PA5
PA6
D
P
PB5/SDO
PB6/SDI
PB7/SCK
PORT B AND
SIOP
REGISTERS
AND LOGIC
V
DD
V
SS
PD5
D
PC3/AD3
PC4/AD2
PC5/AD1
PC6/AD0
PC7/VR
EFH
PC2
P
M
PC1
PC0
BOOTLOADER ROM — 239 BYTES
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