参数资料
型号: PIC16C62A-10/SP
厂商: Microchip Technology
文件页数: 82/126页
文件大小: 0K
描述: IC MCU OTP 2KX14 PWM 28DIP
产品培训模块: Asynchronous Stimulus
标准包装: 15
系列: PIC® 16C
核心处理器: PIC
芯体尺寸: 8-位
速度: 10MHz
连通性: I²C,SPI
外围设备: 欠压检测/复位,POR,PWM,WDT
输入/输出数: 22
程序存储器容量: 3.5KB(2K x 14)
程序存储器类型: OTP
RAM 容量: 128 x 8
电压 - 电源 (Vcc/Vdd): 4 V ~ 6 V
振荡器型: 外部
工作温度: 0°C ~ 70°C
封装/外壳: 28-DIP(0.300",7.62mm)
包装: 管件
59
AT90S/LS4433
1042H–AVR–04/03
Bit 3 – TXEN: Transmitter Enable
This bit enables the UART Transmitter when set (one). When disabling the Transmitter
while transmitting a character, the Transmitter is not disabled before the character in the
Shift Register plus any following character in UDR has been completely transmitted.
Bit 2 – CHR9: 9-bit Characters
When this bit is set (one), transmitted and received characters are nine bits long, plus
start and stop bits. The ninth bit is read and written by using the RXB8 and TXB8 bits in
UCSRB, respectively. The ninth data bit can be used as an extra stop bit or a parity bit.
Bit 1 – RXB8: Receive Data Bit 8
When CHR9 is set (one), RXB8 is the ninth data bit of the received character.
Bit 0 – TXB8: Transmit Data Bit 8
When CHR9 is set (one), TXB8 is the ninth data bit in the character to be transmitted.
Baud Rate Generator
The Baud Rate Generator is a frequency divider, which generates baud rates according
to the following equation:
BAUD = Baud Rate
f
CK= Crystal Clock frequency
UBR = Contents of the UBRRHI and UBRR Registers, (0 - 4095)
For standard crystal frequencies, the most commonly used baud rates can be generated
by using the UBR settings in Table 19. UBR values that yield an actual baud rate differ-
ing less than 2% from the target baud rate are boldface in the table. However, using
baud rates that have more than 1% error is not recommended. High error ratings give
less noise resistance.
BAUD
fCK
16(UBR 1
)
+
----------------------------------
=
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