參數(shù)資料
型號： TS83C51RB2-LCE
廠商： International Rectifier
英文描述： High Performance 8-bit Microcontroller
中文描述： 高性能8位微控制器
文件頁數(shù)： 25/85頁
文件大?。?/td> 762K
代理商： TS83C51RB2-LCE
25
4188E–8051–08/06
AT/TS8xC51Rx2
Figure 6-4.
PCA Timer/Counter
Table 6-4.
CMOD: PCA Counter Mode Register
The CMOD SFR
includes three additional bits associated with the PCA (See Figure 6-4 and
Table 6-4).
CIDL
CPS1
CPS0
ECF
It
CH
CL
16 bit up/down counter
To PCA
modules
Fosc /12
Fosc / 4
T0 OVF
P1.2
Idle
CMOD
0xD9
WDTE
CF
CR
CCON
0xD8
CCF4 CCF3
CCF2
CCF1
CCF0
overflow
CMOD
Address 0D9H
CIDL
WDTE
-
-
-
CPS1
CPS0
ECF
Reset value
0
0
X
X
X
0
0
0
Symbol
Function
CIDL
Counter Idle control: CIDL = 0 programs the PCA Counter to continue functioning during idle Mode.
CIDL = 1 programs it to be gated off during idle.
WDTE
Watchdog Timer Enable: WDTE = 0 disables Watchdog Timer function on PCA Module 4. WDTE = 1
enables it.
-
Not implemented, reserved for future use.
(1)
1.
User software should not write 1s to reserved bits. These bits may be used in future 8051 family
products to invoke new features. In that case, the reset or inactive value of the new bit will be 0,
and its active value will be 1. The value read from a reserved bit is indeterminate.
f
osc
= oscillator frequency
CPS1
PCA Count Pulse Select bit 1.
CPS0
PCA Count Pulse Select bit 0.
CPS1
CPS0
Selected PCA input.
(2)
2.
0
0
Internal clock f
osc
/12 ( Or f
osc
/6 in X2 Mode).
0
1
Internal clock f
osc
/4 ( Or f
osc
/2 in X2 Mode).
1
0
Timer 0 Overflow
1
1
External clock at ECI/P1.2 pin (max rate = f
osc
/ 8)
ECF
PCA Enable Counter Overflow interrupt: ECF = 1 enables CF bit in CCON to generate an interrupt.
ECF = 0 disables that function of CF.
相關(guān)PDF資料
PDF描述
TS83C51RB2-LIB High Performance 8-bit Microcontroller
TS83C51RB2-LIE High Performance 8-bit Microcontroller
TS83C51RB2-MCB High Performance 8-bit Microcontroller
TS83C51RB2-MCE High Performance 8-bit Microcontroller
TS83C51RB2-MIB High Performance 8-bit Microcontroller
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TS83C51RB2-LIB 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:High Performance 8-bit Microcontroller
TS83C51RB2-LIBR 制造商:未知廠家 制造商全稱:未知廠家 功能描述:8-Bit Microcontroller
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