參數(shù)資料
型號: P90CE201
廠商: NXP Semiconductors N.V.
英文描述: 16-bit microcontroller
中文描述: 16位微控制器
文件頁數(shù): 56/77頁
文件大?。?/td> 235K
代理商: P90CE201
August 1993
56
Philips Semiconductors
Product specification
16-bit microcontroller
P90CE201
Timer n can be configured for either timer or counter
operation. In timer operation the internal timer frequency
(f
INT
) is given by f
XTAL
/2, f
XTAL
/32 or BPCLK/4. The baud
rate may be calculated as
follows:
In this mode an overflow of Timer n does not set TFn and
does not generate an interrupt. If EXENn = 1, a valid
transition at input pin Tn sets EXFn and can be used to
generate an interrupt.
Baud rate
f
RCAPnH, RCAPnL
16
65536
(
)
(
)
×
------------------------------------------------------------------------------------------------------
=
Fig.40 Timer/Counter in Capture Mode - Mode 1.
handbook, full pagewidth
MLB008
TLn
(8 BITS)
TRn
control
THn
(8 BITS)
RCAPnL
RCAPnH
EXFn
TFn
timer n
interrupt
EXENn
control
C/Tn = 0
C/Tn = 1
PRESCALER
transition
detector
external
pin Tn
capture
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