參數(shù)資料
型號(hào): ST52T301P
廠(chǎng)商: 意法半導(dǎo)體
英文描述: 8-Bit OTP/EPROM DuaLogic] MCUs WITH ADC, UART, TIMER, TRIAC & PWM DRIVER
中文描述: 8位檢察官辦公室/存儲(chǔ)器DuaLogic]與藝術(shù)發(fā)展局和UART,定時(shí)器,可控硅控制器
文件頁(yè)數(shù): 36/100頁(yè)
文件大小: 497K
代理商: ST52T301P
8 I/OPORT
ST52x301 is provided with dedicated lines for
input/output.These lines,groupedinto an 8-bit I/O
PortP(0:7),can be programmedto provideparallel
input/output with a handshake line (READY) to
carry data in/out.
The I/O Port is not able to perform operations on
the single bit, and the communication cannot be
performedat the sametime in input and output.
It is possible to program the parallelport direction
by using the register REG_CONF0 in order to set
which bitsare in input and which are in output.
The
port
has
an
(PERIPH_REG_2) dedicated to hold output data
coming from the Register File through an LDPR
instruction.
InputdataareautomaticallystoredintheIN_PORT
register, 6-th location of the Input Register.
P8 pin is a digital output line available directly
connected to the OUT bit of the REG_CONF1;
thenit can be set byusing a LDCF instruction.
(seetable 8.2 and Figure 8.8)
internal
register
PERIPH_REG_2(i)
P(0:7)
I/O PIN
TTL
CMOS
IO(i)
INP_PORT(i)
TRISTATE
REG_CONF0(i)
P8
OUTPUTPIN
REG_CONF1(0)
OUT
Figure 8.1.
Figure8.2.
36/99
ST52T301/E301
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