參數(shù)資料
型號: P80CL51HFT
廠商: NXP SEMICONDUCTORS
元件分類: 微控制器/微處理器
英文描述: Low voltage 8-bit microcontrollers with UART
中文描述: 8-BIT, MROM, 16 MHz, MICROCONTROLLER, PDSO40
封裝: PLASTIC, SOT-158-1, VSO-40
文件頁數(shù): 57/68頁
文件大?。?/td> 305K
代理商: P80CL51HFT
1997 Apr 15
57
Philips Semiconductors
Product specification
Low voltage 8-bit microcontrollers with
UART
P80CL31; P80CL51
Fig.35 Instruction cycle timing.
handbook, full pagewidth
MGD681
P1 P2
S1
P1 P2
S2
P1 P2
S3
P1 P2
S4
P1 P2
S5
P1 P2
S6
P1 P2
S1
P1 P2
S2
P1 P2
S3
P1 P2
S4
P1 P2
S5
P1 P2
S6
one machine cycle
one machine cycle
XTAL1
INPUT
address
A0 - A7
inst.
in
address
A0 - A7
inst.
in
address
A0 - A7
inst.
in
address
A0 - A7
inst.
in
address A8 - A15
address A8 - A15
address A8 - A15
address A8 - A15
address
A0 - A7
inst.
in
address
A0 - A7
inst.
in
address
A0 - A7
data output or data input
address A8 - A15
address A8 - A15 or Port 2 output
address A8 - A15
old data
new data
sampling time of I/O port pins during input
SERIAL PORT
SHIFT CLOCK
(MODE 0)
PORT 0, 2, 3
INPUT
PORT 0, 2, 3
OUTPUT
PORT 2
BUS
(PORT 0)
read or
write of
external data
memory
PORT 2
BUS
(PORT 0)
external
program
memory
fetch
WR
RD
only active
during a write
to external
data memory
only active
during a read
from external
data memory
PSEN
ALE
dotted lines
are valid when
RD or WR are
active
old data
new data
PORT 1
OUTPUT
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