参数资料
型号: SAB-C505A-L
厂商: INFINEON TECHNOLOGIES AG
元件分类: 微控制器/微处理器
英文描述: 8-BIT, 20 MHz, MICROCONTROLLER, PQFP44
封装: METRIC, PLASTIC, QFP-44
文件页数: 32/88页
文件大小: 1224K
代理商: SAB-C505A-L
C505/C505C/C505A/C505CA
Data Sheet
34
12.00
Figure 14
Block Diagram of Baud Rate Generation for the Serial Interface
Table 8 below lists the values/formulas for the baud rate calculation of the serial interface with its
dependencies of the control bits BD and SMOD.
Table 8
Serial Interface - Baud Rate Dependencies
Serial Interface
Operating Modes
Active Control Bits Baud Rate Calculation
BD
SMOD
Mode 0 (Shift Register)
––
f
OSC / 6
Mode 1 (8-bit UART)
Mode 3 (9-bit UART)
0
X
Controlled by timer 1 overflow :
(2SMOD
× timer 1 overflow rate) / 32
1
X
Controlled by baud rate generator
(2SMOD
× f
OSC) /
(32
× baud rate generator overflow rate)
Mode 2 (9-bit UART)
0
1
f
OSC / 32
f
OSC / 16
MCS02733
Rate
f OSC
(SMOD)
Baud
Clock
PCON.7
2
(SM0/
SM1)
SCON.7
SCON.6
Only one mode
can be selected
ADCON0.7
(BD)
0
1
0
1
Baud
Rate
Generator
(SRELH
SRELL)
Timer 1
Mode 2
Mode 0
Note: The switch configuration shows the reset state.
Mode 3
Mode 1
Overflow
6
÷
相关PDF资料
PDF描述
SAF-C505A-4R 8-BIT, MROM, 20 MHz, MICROCONTROLLER, PQFP44
SAB-C505-L 8-BIT, 20 MHz, MICROCONTROLLER, PQFP44
SAF-C505C-2R 8-BIT, MROM, 20 MHz, MICROCONTROLLER, PQFP44
SAK-C505C-L 8-BIT, 20 MHz, MICROCONTROLLER, PQFP44
SAF-C505A-L 8-BIT, 20 MHz, MICROCONTROLLER, PQFP44
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