参数资料
型号: MC68HC11ED0CFU2
厂商: FREESCALE SEMICONDUCTOR INC
元件分类: 微控制器/微处理器
英文描述: 8-BIT, 2 MHz, MICROCONTROLLER, PQFP44
封装: QFP-44
文件页数: 18/108页
文件大小: 1672K
代理商: MC68HC11ED0CFU2
General Description
Structure
MC68HC11ED0 — Rev. 1.0
Technical Summary
General Description
1.4 Structure
See Figure 1-1 for a block diagram of the MC68HC11ED0 MCU.
Figure 1-1. MC68HC11ED0 Block Diagram
A
D
R
7/
D
AT
A7
A
D
R
6/
D
AT
A6
A
D
R
5/
D
AT
A5
A
D
R
4/
D
AT
A4
A
D
R
3/
D
AT
A3
A
D
R
2/
D
AT
A2
A
D
R
1/
D
AT
A1
A
D
R
0/
D
AT
A0
MODE CONTROL
OSC
CLOCK LOGIC
INTERRUPT
LOGIC
256 BYTES BOOTSTRAP ROM
SERIAL
PERIPHERAL
INTERFACE
SPI
SERIAL
COMMUNICATION
INTERFACE
SCI
M68HC11 CPU
CONTROL
PORT D
Tx
D
Rx
D
SS
SC
K
MO
S
I
MI
S
O
PD
5/
SS
PD
0/
R
xD
AS
R/
W
LOW-ORDER
ADDRESS/DATA
R/
W
AS
A
DDR
1
5
PORT A
PA7
/PA
I/i
OC
1
TIMER
SYSTEM
CO
P
TI
M
E
R
P
UL
S
E
A
CCUM
UL
A
TO
R
OC
2
OC
3
OC
4
OC
5/
IC
4
/OC
1
IC1
IC2
IC3
PA
I
P
E
RIO
DI
C
INTE
R
RUP
T
MODA/
LIR
MODB/
VSTBY
XTAL
EXTAL
E
IRQ
XIRQ
RESET
PD
4/
S
C
K
PD
3/
M
OS
I
PD
2/
M
ISO
PD
1/
T
xD
P
A
6
/O
C2
/O
C1
(1
)
P
A5/
OC
3/
O
C
1
P
A
4
/O
C4
/O
C1
(1
)
P
A3/
IC
4/
OC
5/
OC
1
PA2
/IC
1
PA1
/IC
2
PA0
/IC
3
A
DDR
1
4
A
DDR
1
3
A
DDR
1
2
A
DDR
1
A
DDR
1
0
A
DDR9
A
DDR8
VDD
VSS
Note 1. Not bonded in 40-pin package
512 BYTES RAM
HIGH-ORDER
ADDRESS
F
re
e
sc
a
le
S
e
m
ic
o
n
d
u
c
to
r,
I
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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