参数资料
型号: P87C51UFAA
厂商: NXP SEMICONDUCTORS
元件分类: 微控制器/微处理器
英文描述: CABLE KNIFE, JOKARI VDECABLE KNIFE, JOKARI VDE; Stripping Capacity:28mm; Weight:0.074kg
中文描述: 8-BIT, OTPROM, 33 MHz, MICROCONTROLLER, PQCC44
封装: PLASTIC, MO-047, SOT187-2, LCC-44
文件页数: 16/34页
文件大小: 394K
代理商: P87C51UFAA
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.
相关PDF资料
PDF描述
P87C51UFBB 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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