參數(shù)資料
型號(hào): PCA5007H
廠商: NXP Semiconductors N.V.
英文描述: Pager baseband controller
中文描述: 傳呼機(jī)基帶控制器
文件頁(yè)數(shù): 36/112頁(yè)
文件大?。?/td> 604K
代理商: PCA5007H
1998 Oct 07
36
Philips Semiconductors
Product specification
Pager baseband controller
PCA5007
6.13.4
E
XAMPLE SEQUENCE FOR PROGRAMMING THE
RTC:
Sequence to set another value into the RTC:
MOV RTCON, #06H; set LOAD, W/R bits
MOV RTC0, #(new value); load new RTC value into
SFR
MOV RTCON, #07H; now set the data valid flag (SET)
in the SFR.
Sequence to clear an interrupt of the RTC:
CLR IQ9; Interrupt request flag is IQ9
MOV RTCON, #00H; clear also MIN flag in the SFR
MOV RTCON, #01H; now set the data valid flag (SET)
in the SFR.
6.13.5
T
IMING
The interface between 2 and 1 V regions is implemented
similar to the clock correction block. The sequence for
writing values is identical (see Fig.13).
Fig.18 Operation of RTC to microcontroller interface.
handbook, full pagewidth
MGR121
LOAD (RTCON)
SET (RTCON)
internal SET flag
internal store
internal write
RTC value
W/R (RTCON)
data (RTC0)
MOV RTC0 #m
MOV RTCON #...
data must be valid until here
cleared by hardware
update by
hardware
i
m
i
+
1
i
i
+
1
update by
hardware
m
+
1
m
m
+
1
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