參數(shù)資料
型號(hào)： Q67121-C862
廠商： SIEMENS AG
英文描述： C16x-Family of High-Performance CMOS 16-Bit Microcontrollers
中文描述： C16x的高家庭，高性能CMOS 16位微控制器
文件頁數(shù)： 8/69頁
文件大?。?/td> 1124K
代理商： Q67121-C862
C515C
Semiconductor Group
8
1997-07-01
P3.0-P3.7
15-22
15
16
17
18
19
20
21
22
I/O
Port 3
is an 8-bit quasi-bidirectional I/O port with internal pullup
resistors. Port 3 pins that have 1's written to them are
pulled high by the internal pullup resistors, and in that
state can be used as inputs. As inputs, port 3 pins being
externally pulled low will source current (
characteristics) because of the internal pullup resistors.
Port 3 also contains the interrupt, timer, serial port and
external memory strobe pins that are used by various
options. The output latch corresponding to a secondary
function must be programmed to a one (1) for that
function to operate. The secondary functions are
assigned to the pins of port 3, as follows:
P3.0
RXD
Receiver data input (asynch.) or
data input/output (synch.) of serial
interface
P3.1
TXD
Transmitter data output (asynch.) or
clock output (synch.) of serial
interface
P3.2
INT0
External interrupt 0 input / timer 0
gate control input
P3.3
INT1
External interrupt 1 input / timer 1
gate control input
P3.4
T0
Timer 0 counter input
P3.5
T1
Timer 1 counter input
P3.6
WR
WR control output; latches the data
byte from port 0 into the external
data memory
P3.7
RD
RD control output; enables the
external data memory
I
IL
, in the DC
*) I = Input
O = Output
Table 1
Pin Definitions and Functions (cont’d)
Symbol
Pin Number
I/O*)
Function
P-MQFP-80
相關(guān)PDF資料
PDF描述
Q67121-C900 16-Bit CMOS Single-Chip Microcontroller
Q67121-C923 C16x-Family of High-Performance CMOS 16-Bit Microcontrollers
Q67121-C942 16-Bit CMOS Single-Chip Microcontroller
Q67121-C946 16-Bit CMOS Single-Chip Microcontroller
Q67121-C967 16-Bit CMOS Single-Chip Microcontroller
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
Q67121-C900 制造商:INFINEON 制造商全稱:Infineon Technologies AG 功能描述:16-Bit CMOS Single-Chip Microcontroller
Q67121-C923 制造商:INFINEON 制造商全稱:Infineon Technologies AG 功能描述:C16x-Family of High-Performance CMOS 16-Bit Microcontrollers
Q67121-C942 制造商:INFINEON 制造商全稱:Infineon Technologies AG 功能描述:16-Bit CMOS Single-Chip Microcontroller
Q67121-C946 制造商:INFINEON 制造商全稱:Infineon Technologies AG 功能描述:16-Bit CMOS Single-Chip Microcontroller
Q67121-C967 制造商:INFINEON 制造商全稱:Infineon Technologies AG 功能描述:16-Bit CMOS Single-Chip Microcontroller
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