參數(shù)資料
型號： P83C453EBAA
廠商： NXP SEMICONDUCTORS
元件分類： 微控制器/微處理器
英文描述： 80C51 8-bit microcontroller family 8K/256 OTP/ROM, expanded I/O
中文描述： 8-BIT, OTPROM, 8 MHz, MICROCONTROLLER, PQCC68
封裝： PLASTIC, SOT-168-3, MO-047AE, LCC-68
文件頁數(shù)： 13/26頁
文件大小： 188K
代理商： P83C453EBAA
Philips Semiconductors
Preliminary specification
83C453/87C453
80C51 8-bit microcontroller family
8K/256 OTP/ROM, expanded I/O
1998 Apr 23
13
INTERNAL BUS
IDS
MODE
INPUT
BUFFER
(P6 READ)
OUTPUT
DRIVERS
BFLAG/ODS
MODE
(CSR.6/.7)
AFLAG
MODE
(CSR.4/.5)
MUX
CONTROL/STATUS
REGISTER (CSR)
OUTPUT BUFFER
(P6 WRITE)
INPUT BUFFER
FULL (CSR.0)
OUTPUT BUFFER
FULL (CSR.1)
EDGE/LEVEL
SELECT (CSR.2)
IDS
ODS
BFLAG
AFLAG
PORT 6
SU00087
Figure 8. Port 6 Block Diagram
Table 3. Special Function Register Addresses
REGISTER ADDRESS
BIT ADDRESS
Name
Symbol
Address
MSB
LSB
Port 4
Port 5
Port 6 data
Port 6 control status
P4
P5
P6
CSR
C0
C8
D8
E8
C7
CF
DF
EF
C6
CE
DE
EE
C5
CD
DD
ED
C4
CC
DC
EC
C3
CB
DB
EB
C2
CA
DA
EA
C1
C9
D9
E9
C0
C8
D8
E8
Slave address
Slave address mask
SADDR
SADEN
A9
B9
Auxiliary Register
AUXR
8E
Table 4. Control Status Register (CSR)
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
MB1
BFLAG Mode Select
MB0
MA1
AFLAG Mode Select
MA0
OBFC
IDSM
Input Data
Strobe Mode
OBF
IBF
Output Buffer
Flag Clear
Mode
0 = Negative
edge of ODS
1 = Positive
edge o ODS
Output Buffer
Flag Full
Input Buffer
Flag Full
0/0 = Logic 0 output*
0/1 = Logic 1 output*
1/0 = IBF output
1/1 = PE input
(0 = Select)
(1 = Disable I/O)
0/0 = Logic 0 output*
0/1 = Logic 1 output*
1/0 = OBF output
1/1 = SEL input
(0 = Select)
(1 = Control/status)
0 = Positive
edge of IDS
1 = Low level
of IDS
0 = Output
data buffer
empty
1 = Output
data buffer full
0 = Input data
buffer empty
1 = Input data
buffer full
NOTE:
*
Output-always mode: MB1 = 0, MA1 = 1, and MA0 = 0. In this mode, port 6 is always enabled for output. ODS only clears the OBF flag.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
P83C453EFAA 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:CMOS single-chip 8-bit microcontrollers
P83C504GBA 制造商:未知廠家 制造商全稱:未知廠家 功能描述:8-Bit Microcontroller
P83C504GBB 制造商:未知廠家 制造商全稱:未知廠家 功能描述:8-Bit Microcontroller
P83C504GBN 制造商:未知廠家 制造商全稱:未知廠家 功能描述:8-Bit Microcontroller
P83C504GBP 制造商:未知廠家 制造商全稱:未知廠家 功能描述:8-Bit Microcontroller
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