參數(shù)資料
型號： P87C54SFA
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)： 16/34頁
文件大?。?/td> 394K
代理商： P87C54SFA
2001 Apr 06
16
Philips Semiconductors
Preliminary specification
P87C51MB2/P87C51MC2
80C51 8-bit microcontroller family with extended memory
64KB/96KB OTP with 2KB/3KB RAM
Baud Rate Selection
UART 0 and UART 1 selects the baud rate differently as shown in Tables 4 and 5:
S0CON.7
(SM0_0)
S0CON.6
(SM1_0)
T2CON.5/4
(RCLK - Receive
TCLK - Transmit)
PCON.7
(SMOD1)
BRGCON.1
(S0BRGS)
Receive/Transmit Baud Rate for UART 0
0
0
X
X
X
f
OSC
/6
T1_rate/32
*
0
1
0
0
X
0
1
X
T1_rate/16
*
1
X
0
T2_rate/16
*
f
OSC
/(BRATE
×
16+16)
*
1
X
1
1
0
X
0
X
f
OSC
/32
X
1
X
f
OSC
/16
T1_rate/32
*
1
1
0
0
X
0
1
X
T1_rate/16
*
1
X
0
T2_rate/16
*
f
OSC
/(BRATE
×
16+16)
*
1
X
1
*
UART 0 can have different receive and transmit baud rates.
Table 4: Baud Rate Generation for UART 0. Use T2CON.5 (RCLK) in Receive Baud Rate Selection, T2CON.4 (TCLK) in
Transmit Baud Rate Selection
S1CON.7
(SM0_1)
S1CON.6
(SM1_1)
Baud Rate for UART 1
0
0
f
OSC
/6
0
1
f
OSC
/(BRATE
×
16+16)
*
f
OSC
/(BRATE
×
16+16)
*
f
OSC
/(BRATE
×
16+16)
*
1
0
1
1
*
UART 1 has the same receive and transmit baud rate.
Table 5: Baud Rate Generation for UART 1.
相關(guān)PDF資料
PDF描述
P87C51FA–4A 80C51 8-bit microcontroller family 8K-64K/256-1K OTP/ROM/ROMless. low voltage 2.7V-5.5V). low power. high speed (33 MHz)
P87C51FA–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)
P87C51FB–4A 80C51 8-bit microcontroller family 8K-64K/256-1K OTP/ROM/ROMless. low voltage 2.7V-5.5V). low power. high speed (33 MHz)
P87C51FB–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)
P87C51FB–4N 80C51 8-bit microcontroller family 8K-64K/256-1K OTP/ROM/ROMless. low voltage 2.7V-5.5V). low power. high speed (33 MHz)
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
P87C54SFAA 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:80C51 8-bit microcontroller family 8K.64K/256.1K OTP/ROM/ROMless, low voltage 2.7V.5.5V, low power, high speed 33 MHz
P87C54SFAA-T 制造商:未知廠家 制造商全稱:未知廠家 功能描述:8-Bit Microcontroller
P87C54SFBB 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:80C51 8-bit microcontroller family 8K-4K/256-1K OTP/ROM/ROMless, low voltage (2.7V-5.5V), low power, high speed (33 MHz)
P87C54SFBB,557 制造商:NXP Semiconductors 功能描述:
P87C54SFPN 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:80C51 8-bit microcontroller family 8K.64K/256.1K OTP/ROM/ROMless, low voltage 2.7V.5.5V, low power, high speed 33 MHz
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