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參數(shù)資料
| 型號： | MX10C8050PI |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | SINGLE-CHIP 8-BIT MICROCONTROLLER |
| 中文描述： | 單芯片8位微控制器 |
| 文件頁數(shù)： | 3/14頁 |
| 文件大?。?/td> | 96K |
| 代理商： | MX10C8050PI |
3
P/N:PM0591
REV. 0.3, APR. 09, 1999
MX10C805X
PIN DESCRIPTIONS
VCC : Supply voltage.
VSS : Circuit ground.
Port 0 : Port 0 is an 8-bit, open drain, bidirectional I/O
port. As an output port each pin can sink several LS
TTL inputs. Port 0 pins that have 1's written to them
float, and in that state can be used as high-impedance
inputs.
Port 0 is also the multiplexed low-order address and data
bus during accesses to external Program and Data
Memory. In this application it uses strong internal pullups
when emitting 1's, and can source and sink serveral LS
TTL inputs.
Port 1 : Port 1 is an 8-bit bidirectional I/O port with inter-
nal pullups. The port 1 output buffers can drive LS TTL
inputs. Port 1 pins that have 1's written to them are
pulled high by the internal pullups, and in that state can
be used as inputs. As inputs, Port 1 pins that are exter-
nally pulled low will source current (IIL, on the data sheet)
because of the internal pullups.
In additional, Port 1 serves the functions of the following
special features of the MX10C805X :
Port Pin
P1.0
Alternate Function
T2 (External Count Input to Timer/
Counter 2), Clock-Out
T2EX (Timer/Counter 2 Capture/Reload
Trigger and Direction Control)
P1.1
Port 2 : Port 2 is an 8-bit bidirectional I/O port with inter-
nal pullups. The port 2 output buffers can drive LS TTL
inputs. Port 2 pins that have 1's written to them are
pulled high by the internal pullups, and in that state can
be used as inputs. As inputs, Port 2 pins that are exter-
nally pulled low will source current (IIL, on the data sheet)
because of the internal pullups.
Port 2 emits the high-order address byte during fetches
from external Program Memory and during accesses to
external Data Memory that use 16-bit addresses (MOVX
@DPTR). In this application it uses strong internal
pullups when emitting 1's. During accesses to external
Data Memory that use 8-bit addresses (MOVX @Ri),
Port 2 emits the contents of the P2 Special Function
Register.
Port 3 : Port 3 is an 8-bit bidirectional I/O port with inter-
nal pullups. The port 3 output buffers can drive LS TTL
inputs. Port 3 pins that have 1's written to them are
pulled high by the internal pullups, and in that state can
be used as inputs. As inputs, Port 3 pins that are exter-
nally pulled low will source current (IIL, on the data sheet)
because of the internal pullups.
Port 3 also serves the function of various special fea-
tures of the 8051 Family, as listed below :
Port Pin
P3.0
P3.1
P3.2
P3.3
P3.4
P3.5
P3.6
P3.7
Alternate Function
RXD (serial input port)
TXD (serial output port)
INT0 (external interrupt 0)
INT1 (external interrupt 1)
T0 (Timer 0 external input)
T1 (Timer 1 external input)
WR (external data memory write sttobe)
RD (external data memory read strobe)
PROCESS INFORMATION
This device is manufactured on a MXIC CMOS process.
PACKAGES
MX10C805
1
P
C
Temperature
C=0
°
C to 70
°
C
I=-40
°
C to 85
°
C
Package
P=PDIP
Q=PLCC
F=PQFP
ROM Size
0=64K Bytes
1=4K Bytes
2=8K Bytes
4=16K Bytes
8=32K Bytes
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| MX10C8050QC | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:SINGLE-CHIP 8-BIT MICROCONTROLLER |
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| MX10C8051FC | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:SINGLE-CHIP 8-BIT MICROCONTROLLER |
| MX10C8051FI | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:SINGLE-CHIP 8-BIT MICROCONTROLLER |
| MX10C8051PC | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:SINGLE-CHIP 8-BIT MICROCONTROLLER |
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