參數(shù)資料
型號: SAB80C517A-N18-T3
廠商: INFINEON TECHNOLOGIES AG
元件分類: 微控制器/微處理器
英文描述: 8-BIT, 18 MHz, MICROCONTROLLER, PQCC84
封裝: PLASTIC, LCC-84
文件頁數(shù): 82/137頁
文件大小: 2089K
代理商: SAB80C517A-N18-T3
Semiconductor Group
5 - 14
On-Chip Peripheral Components
5.4
New Baud Rate Generators for Serial Channel 0 and Serial Channel 1
5.4.1 Serial Channel 0 Baud Rate Generator
The Serial Channel 0 has a new baud rate generator which provides greater flexibility and better
resolution. It substitutes the 80C517’s baud rate generator at Serial Channel 0 which provides only
4.8 kBaud or 9.6 kBaud at 12 MHz crystal frequency. Since the new generator offers greater
flexibility it is often possible to use it instead of Timer1 which is then free for other tasks.
Figure 5-4 shows a block diagram of the new baud rate generator for Serial Channel 0. It consists
of a free running 10-bit timer with fOSC /2 input frequency. On overflow of this timer there is an
automatic reload from the registers S0RELL (address AAH) and S0RELH (address BAH). The
lower 8 bits of the timer are reloaded from S0RELL, while the upper two bits are reloaded from bit
0 and 1 of register S0RELH. The baud rate timer is reloaded by writing to S0RELL.
Figure 5-4
Baud Rate Generator for Serial Interface 0
The default value after reset of S0RELL is 0D9H, S0 RELH contains XXXX XX11B.
相關(guān)PDF資料
PDF描述
SAB83C517A-N18-T4 8-BIT, 18 MHz, MICROCONTROLLER, PQCC84
SAB80C517A-S18-T3 8-BIT, 18 MHz, MICROCONTROLLER, PQFP100
SAB83C517A-5S18-T3 8-BIT, MROM, 18 MHz, MICROCONTROLLER, PQFP100
SAB83C517A-5S18-T4 8-BIT, MROM, 18 MHz, MICROCONTROLLER, PQFP100
SAB80C517A-S18-T3 8-BIT, 18 MHz, MICROCONTROLLER, PQFP100
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