參數(shù)資料
型號(hào)： P83C524EFA
廠商： NXP SEMICONDUCTORS
元件分類： 微控制器/微處理器
英文描述： CONN, JACK MODULAR 90DEG 4P 4C
中文描述： 8-BIT, MROM, 16 MHz, MICROCONTROLLER, PQCC44
封裝： PLASTIC, LCC-44
文件頁(yè)數(shù)： 24/76頁(yè)
文件大小： 400K
代理商： P83C524EFA
1997 Dec 15
24
Philips Semiconductors
Product specification
8-bit microcontrollers
P83C524; P80C528; P83C528
11.1.1
T
IMER
/C
OUNTER
M
ODE
C
ONTROL REGISTER
(TMOD)
Table 4
Timer/Counter Mode Control register (address 89H)
Table 5
Description of the TMOD bits
Table 6
TMOD M1 and M0 operating modes
7
6
5
4
3
2
1
0
TIMER 1
TIMER 0
GATE
C/T
M1
M0
GATE
C/T
M1
M0
BIT
SYMBOL
FUNCTION
TIMER 1
7
GATE
Timer 1 gating control
: when set, Timer/counter '1' is enabled only while 'INT1' pin is
HIGH and 'TR1' control bit is set. When cleared, Timer/counter '1' is enabled whenever
'TR1' control bit is set.
Timer or counter selector
: cleared for timer operation (input from internal system
clock). Set for counter operation (input from 'T1' input pin).
operating mode
: see Table 6.
operating mode
: see Table 6.
6
C/T
5
4
M1
M0
TIMER 0
3
GATE
Timer 0 gating control
: when set, Timer/counter '0' is enabled only while 'INT0' pin is
HIGH and 'TR0' control bit is set. When cleared, Timer/counter '0' is enabled whenever
'TR0' control bit is set.
Timer or counter selector
: cleared for timer operation (input from internal system
clock). Set for counter operation (input from 'T0' input pin).
operating mode
: see Table 6.
operating mode
: see Table 6.
2
C/T
1
0
M1
M0
M1
M0
FUNCTION
0
0
1
0
1
0
8-bit timer/counter
: 'THx' with 5-bit prescaler.
16-bit timer/counter
: 'THx' and 'TLx' are cascaded, there is no prescaler.
8-bit autoload timer/counter
: 'THx' holds a value which is to be reloaded into 'TLx'
each time it overflows.
Timer 0
: TL0 is an 8-bit timer/counter controlled by the standard Timer 0 control bits.
TH0 is an 8-bit timer controlled by Timer 1 control bits.
Timer 1
: Timer/counter 1 stopped.
1
1
1
1
相關(guān)PDF資料
PDF描述
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
P83C524EFB 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:8-bit microcontrollers
P83C524EFP 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:8-bit microcontrollers
P83C524FFA 制造商:未知廠家 制造商全稱:未知廠家 功能描述:8-Bit Microcontroller
P83C524FFP 制造商:未知廠家 制造商全稱:未知廠家 功能描述:8-Bit Microcontroller
P83C524FHA 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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