參數(shù)資料
型號: P89V51RB2BBC
廠商: NXP SEMICONDUCTORS
元件分類: 微控制器/微處理器
英文描述: 8-bit 80C51 5 V low power 16/32/64 kB Flash microcontroller with 1 kB RAM
中文描述: 8-BIT, FLASH, 40 MHz, MICROCONTROLLER, PQFP44
封裝: 10 X 10 MM, 1 MM HEIGHT, PLASTIC, MS-026, TQFP-44
文件頁數(shù): 52/77頁
文件大小: 350K
代理商: P89V51RB2BBC
Philips Semiconductors
P89V51RB2/RC2/RD2
8-bit microcontrollers with 80C51 core
Product data
Rev. 03 — 02 December 2004
52 of 77
9397 750 14341
Koninklijke Philips Electronics N.V. 2004. All rights reserved.
7.8.3
High speed output mode
In this mode (
Figure 25
) the CEX output (on port 1) associated with the PCA module
will toggle each time a match occurs between the PCA counter and the module’s
capture registers. To activate this mode the TOG, MAT, and ECOM bits in the
module’s CCAPMn SFR must be set.
Fig 24. PCA compare mode.
002aaa539
CF
CR
-
CCF4
CCF3
CCF2
CCF1
CCF0
CCON
(C0h)
PCA
interrupt
-
ECOMn
0
0
1
0
0
CAPPn
CAPNn
MATn
TOGn
PWMn
ECCFn
CCAPMn, n = 0 to 4
(DAH to DEH)
16-BIT COMPARATOR
PCA timer/counter
CH
CL
match
(to CCFn)
CCAPnH
CCAPnL
enable
write to
CCAPnH
write to
CCAPnL
reset
0
1
Fig 25. PCA high speed output mode.
002aaa540
CF
CR
-
CCF4
CCF3
CCF2
CCF1
CCF0
CCON
(C0h)
PCA
interrupt
-
ECOMn
0
0
1
1
0
CAPPn
CAPNn
MATn
TOGn
PWMn
ECCFn
CCAPMn, n = 0 to 4
(DAH to DEH)
16-BIT COMPARATOR
PCA timer/counter
CH
CL
match
toggle
CEXn
(to CCFn)
CCAPnH
CCAPnL
enable
write to
CCAPnH
write to
CCAPnL
reset
0
1
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