參數(shù)資料
型號: P80C54SFA
廠商: NXP Semiconductors N.V.
英文描述: 80C51 8-bit microcontroller family 8K-64K/256-1K OTP/ROM/ROMless. low voltage 2.7V-5.5V). low power. high speed (33 MHz)
中文描述: 80C51的8位單片機系列8K-64K/256-1K檢察官辦公室/光盤/無ROM。低電壓為2.7V至5.5V)。低功耗。高速(33兆赫)
文件頁數(shù): 12/38頁
文件大?。?/td> 350K
代理商: P80C54SFA
Philips Semiconductors
Product specification
80C51/87C51/80C31
80C51 8-bit microcontroller family
4K/128 OTP/ROM/ROMless, low voltage (2.7V–5.5V),
low power, high speed (33 MHz)
2000 Jan 20
12
÷
12
C/T2 = 0
C/T2 = 1
TL2
TH2
TR2
CONTROL
T2 PIN
SU00730
FFH
FFH
RCAP2L
RCAP2H
(UP COUNTING RELOAD VALUE)
T2EX PIN
TF2
INTERRUPT
COUNT
DIRECTION
1 = UP
0 = DOWN
EXF2
OVERFLOW
(DOWN COUNTING RELOAD VALUE)
TOGGLE
OSC
Figure 5. Timer 2 Auto Reload Mode (DCEN = 1)
OSC
÷
2
C/T2 = 0
C/T2 = 1
TR2
Control
TL2
(8-bits)
TH2
(8-bits)
÷
16
RCAP2L
RCAP2H
EXEN2
Control
EXF2
Timer 2
Interrupt
T2EX Pin
Transition
Detector
T2 Pin
Reload
NOTE: OSC. Freq. is divided by 2, not 12.
÷
2
“0”
“1”
RX Clock
÷
16
TX Clock
“0”
“1”
“0”
“1”
Timer 1
Overflow
Note availability of additional external interrupt.
SMOD
RCLK
TCLK
SU00068
Figure 6. Timer 2 in Baud Rate Generator Mode
相關(guān)PDF資料
PDF描述
P80C51FA-4B 80C51 8-bit microcontroller family 8K.64K/256.1K OTP/ROM/ROMless, low voltage 2.7V.5.5V, low power, high speed 33 MHz
P80C51FA-5A 80C51 8-bit microcontroller family 8K.64K/256.1K OTP/ROM/ROMless, low voltage 2.7V.5.5V, low power, high speed 33 MHz
P80C51SBBB 80C51 8-bit microcontroller family 4K/128 OTP/ROM/ROMless low voltage 2.7V.5.5V, low power, high speed 33 MHz
P80C31SBBB 80C51 8-bit microcontroller family 4K/128 OTP/ROM/ROMless low voltage 2.7V.5.5V, low power, high speed 33 MHz
P80C51SBAA 80C51 8-bit microcontroller family 4K/128 OTP/ROM/ROMless low voltage 2.7V.5.5V, low power, high speed 33 MHz
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