Philips Semiconductors
Product data
P87LPC767
Low power, low price, low pin count (20 pin)
microcontroller with 4-kbyte OTP and 8-bit A/D converter
2002 Mar 25
37
Table 11. Baud Rates, Timer Values, and CPU Clock Frequencies for SMOD1 = 1
Timer Co nt
Baud Rate
Timer Count
2400
4800
9600
19.2k
38.4k
57.6k
115.2k
–1
0.2304
0.4608
0.9216
* 1.8432
* 3.6864
5.5296
* 11.0592
–2
0.4608
0.9216
* 1.8432
* 3.6864
* 7.3728
* 11.0592
–3
0.6912
1.3824
2.7648
5.5296
* 11.0592
16.5888
–4
0.9216
* 1.8432
* 3.6864
* 7.3728
* 14.7456
–5
1.1520
2.3040
4.6080
9.2160
* 18.4320
–6
1.3824
2.7648
5.5296
* 11.0592
–7
1.6128
3.2256
6.4512
12.9024
–8
* 1.8432
* 3.6864
* 7.3728
* 14.7456
–9
2.0736
4.1472
8.2944
16.5888
–10
2.3040
4.6080
9.2160
* 18.4320
–11
2.5344
5.0688
10.1376
–12
2.7648
5.5296
* 11.0592
–13
2.9952
5.9904
11.9808
–14
3.2256
6.4512
12.9024
–15
3.4560
6.9120
13.8240
–16
* 3.6864
* 7.3728
* 14.7456
–17
3.9168
7.8336
15.6672
–18
4.1472
8.2944
16.5888
–19
4.3776
8.7552
17.5104
–20
4.6080
9.2160
* 18.4320
–21
4.8384
9.6768
19.3536
NOTES TO TABLES 10 AND 11:
1. Tables 6 and 7 apply to UART modes 1 and 3 (variable rate modes), and show CPU clock rates in MHz for standard baud rates from 2400 to
115.2k baud.
2. Table 6 shows timer settings and CPU clock rates with the SMOD1 bit in the PCON register = 0 (the default after reset), while Table 7
reflects the SMOD1 bit = 1.
3. The tables show all potential CPU clock frequencies up to 20 MHz that may be used for baud rates from 9600 baud to 115.2k baud. Other
CPU clock frequencies that would give only lower baud rates are not shown.
4. Table entries marked with an asterisk (*) indicate standard crystal and ceramic resonator frequencies that may be obtained from many
sources without special ordering.
相关PDF资料
PIC18F45J10-I/P IC PIC MCU FLASH 16KX16 40DIP
PIC24FJ16GA002-I/SO IC PIC MCU FLASH 16K 28-SOIC
PIC18F25K22-I/SO MCU 8BIT 32KB FLASH 5.5V 28SOIC
PIC18F26K20-I/SS IC PIC MCU FLASH 32KX16 28-SSOP
PIC24F08KA102-I/ML IC PIC MCU FLASH 8K 28-QFN
PIC18F84J90T-I/PT IC PIC MCU FLASH 8KX16 80TQFP
PIC18F2321T-I/SS IC PIC MCU FLASH 4KX16 28SSOP
PIC18F2221T-I/SS IC PIC MCU FLASH 2KX16 28SSOP
相关代理商/技术参数
PIC18F85J90-I/PT 功能描述:8位微控制器 -MCU 32KB Flash 2048BRAM 67I/O RoHS:否 制造商:Silicon Labs 核心:8051 处理器系列:C8051F39x 数据总线宽度:8 bit 最大时钟频率:50 MHz 程序存储器大小:16 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:1.8 V to 3.6 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:QFN-20 安装风格:SMD/SMT
PIC18F85J90T-I/PT 功能描述:8位微控制器 -MCU 32KB Flash 2048bytes-RAM 67I/O RoHS:否 制造商:Silicon Labs 核心:8051 处理器系列:C8051F39x 数据总线宽度:8 bit 最大时钟频率:50 MHz 程序存储器大小:16 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:1.8 V to 3.6 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:QFN-20 安装风格:SMD/SMT
PIC18F85J94-I/PT 制造商:Microchip Technology Inc 功能描述:80 PINS, 32KB FLASH, 4KB RAM, 16MIPS, NANOWATT XLP, LCD, USB - Trays
PIC18F85J94T-I/PT 制造商:Microchip Technology Inc 功能描述:80 PINS, 32KB FLASH, 4KB RAM, 16MIPS, NANOWATT XLP, LCD, USB - Tape and Reel 制造商:Microchip Technology Inc 功能描述:IC MCU 8BIT 32KB FLASH 80TQFP 制造商:Microchip Technology Inc 功能描述:8-bit Microcontrollers - MCU 80 pins, 32KB Flash, 4KB RAM, 16MIPS 制造商:Microchip Technology Inc 功能描述:80 pins, 32KB Flash, 4KB RAM, 16MIPS, nanoWatt XLP, LCD, USB, 80 TQFP 12x12x1mm
PIC18F85K22-E/PT 功能描述:8位微控制器 -MCU 32KB Flash 2KB RAM RoHS:否 制造商:Silicon Labs 核心:8051 处理器系列:C8051F39x 数据总线宽度:8 bit 最大时钟频率:50 MHz 程序存储器大小:16 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:1.8 V to 3.6 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:QFN-20 安装风格:SMD/SMT
PIC18F85K22-I/PT 功能描述:8位微控制器 -MCU 32kB Flash 2kB RAM RoHS:否 制造商:Silicon Labs 核心:8051 处理器系列:C8051F39x 数据总线宽度:8 bit 最大时钟频率:50 MHz 程序存储器大小:16 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:1.8 V to 3.6 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:QFN-20 安装风格:SMD/SMT
PIC18F85K22-I/PTRSL 功能描述:8位微控制器 -MCU 32KB Flash 2KB RAM nanoWatt XLP GP RoHS:否 制造商:Silicon Labs 核心:8051 处理器系列:C8051F39x 数据总线宽度:8 bit 最大时钟频率:50 MHz 程序存储器大小:16 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:1.8 V to 3.6 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:QFN-20 安装风格:SMD/SMT
PIC18F85K22T-I/PT 功能描述:8位微控制器 -MCU 32kB Flash 2kB RAM RoHS:否 制造商:Silicon Labs 核心:8051 处理器系列:C8051F39x 数据总线宽度:8 bit 最大时钟频率:50 MHz 程序存储器大小:16 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:1.8 V to 3.6 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:QFN-20 安装风格:SMD/SMT