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參數(shù)資料
| 型號： | P83C661X2 |
| 英文描述： | 80C51 8-bit microcontroller family 16KB OTP/ROM. 512B RAM low voltage (2.7 to 5.5 V). low power. high speed (30/33 MHZ). two 400KB I2C interfaces |
| 中文描述： | 80C51的8位單片機系列16KB的檢察官辦公室/光盤。 512B RAM的低電壓（2.7至5.5 V）。低功耗。高速（三十三分之三十兆赫）。 2 400KB I2C接口 |
| 文件頁數(shù)： | 14/102頁 |
| 文件大?。?/td> | 568K |
| 代理商： | P83C661X2 |
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Philips Semiconductors
Product data
P8xC660X2/661X2
80C51 8-bit microcontroller family
16 KB OTP/ROM, 512B
RAM, low voltage (2.7 to 5.5 V), low power, high speed (30/33
MHz), two 400KB I
2
C interfaces
2003 Oct 02
14
GATE
C/T
M1
M0
GATE
C/T
M1
M0
BIT
TMOD.3/
TMOD.7
TMOD.2/
TMOD.6
SYMBOL
GATE
FUNCTION
Gating control when set. Timer/Counter “n” is enabled only while “INTn” pin is high and
“TRn” control pin is set. when cleared Timer “n” is enabled whenever “TRn” control bit is set.
Timer or Counter Selector cleared for Timer operation (input from internal system clock.)
Set for Counter operation (input from “Tn” input pin).
C/T
M1
M0
OPERATING
0
0
8048 Timer: “TLn” serves as 5-bit prescaler.
0
1
16-bit Timer/Counter: “THn” and “TLn” are cascaded; there is no prescaler.
1
0
8-bit auto-reload Timer/Counter: “THn” holds a value which is to be reloaded
into “TLn” each time it overflows.
1
1
(Timer 0) TL0 is an 8-bit Timer/Counter controlled by the standard Timer 0 control bits.
TH0 is an 8-bit timer only controlled by Timer 1 control bits.
1
1
(Timer 1) Timer/Counter 1 stopped.
SU01580
TIMER 1
TIMER 0
Not Bit Addressable
TMOD
Address = 89H
Reset Value = 00H
7
6
5
4
3
2
1
0
Figure 2. Timer/Counter 0/1 Mode Control (TMOD) Register
INTn Pin
Timer n
Gate bit
TRn
TLn
(5 Bits)
THn
(8 Bits)
TFn
Interrupt
Control
C/T = 0
C/T = 1
SU01618
OSC
÷
d*
Tn Pin
*d = 6 in 6-clock mode; d = 12 in 12-clock mode.
Figure 3. Timer/Counter 0/1 Mode 0: 13-Bit Timer/Counter
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| P83C660X2 | 80C51 8-bit microcontroller family 16KB OTP/ROM. 512B RAM low voltage (2.7 to 5.5 V). low power. high speed (30/33 MHZ). two 400KB I2C interfaces |
| P87C660X2 | 80C51 8-bit microcontroller family 16KB OTP/ROM. 512B RAM low voltage (2.7 to 5.5 V). low power. high speed (30/33 MHZ). two 400KB I2C interfaces |
| P87C661X2 | 80C51 8-bit microcontroller family 16KB OTP/ROM. 512B RAM low voltage (2.7 to 5.5 V). low power. high speed (30/33 MHZ). two 400KB I2C interfaces |
| P83C748EBPN | 80C51 8-bit microcontroller family 2K/64 OTP/ROM, low pin count |
| P83C748EBAA | 80C51 8-bit microcontroller family 2K/64 OTP/ROM, low pin count |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| P83C661X2BBD | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:80C51 8-bit microcontroller family |
| P83C661X2FA | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:80C51 8-bit microcontroller family |
| P83C748EBAA | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:80C51 8-bit microcontroller family 2K/64 OTP/ROM, low pin count |
| P83C748EBDDB | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:80C51 8-bit microcontroller family 2K/64 OTP/ROM, low pin count |
| P83C748EBPN | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:80C51 8-bit microcontroller family 2K/64 OTP/ROM, low pin count |
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