参数资料
型号: W83L951DG
厂商: Nuvoton Technology Corporation of America
文件页数: 93/112页
文件大小: 0K
描述: IC EMBEDDED CNTRLR 128-LQFP
标准包装: 90
系列: W83
核心处理器: 8051
芯体尺寸: 8-位
速度: 24MHz
连通性: 主机接口,PS/2,SMBus,UART/USART
外围设备: PWM,WDT
输入/输出数: 104
程序存储器容量: 64KB(64K x 8)
程序存储器类型: 闪存
RAM 容量: 2K x 8
电压 - 电源 (Vcc/Vdd): 3 V ~ 3.6 V
数据转换器: A/D 8x10b; D/A 2x8b
振荡器型: 外部
工作温度: 0°C ~ 70°C
封装/外壳: 128-LQFP
包装: 托盘
W83L951DG/W83L951FG
Publication Release Date: August 2006
- 77 -
Revision 1.0
Bit 1: Repeat Interrupt Mask Enable
0 – Enable.
1 – Disable.
Bit 0: Rx Signal Invert Enable
Enable CIR Rx signal Convert Function
0 – Enable.
1 – Disable.
6.11.1.2
Baud Rate Divider (CIRBRD) (Default Value: 0101_0101)
Input clock=24MHz :
The Transmit and Receive Bit Rate Divider register is used to extract a serial NRZ data stream for the
CIrCC SCE. The divider is eight bits wide. The input clock to the Bit Rate Divider is 100 KHz (Carrier
Frequency Divider input clock 16). The relationship between the Bit Rate Divider (BRD) and the Bit
Rate (Fb) is as follows:
BRD = (.1MHz/Fb) – 1
For example, program the Bit Rate Divider with 55 ('37'Hex) for a .562ms Remote Control bit cell like
for the NEC remote control frame format: Fb = 1.786 KHz. This is ~.5% accuracy. Table 9 contains
representative BRD vs. BitRate relationships. The Bit Rate range is 100 KHz to 390.625Hz.
Input clock=12MHz :
The Transmit and Receive Bit Rate Divider register is used to extract a serial NRZ data stream for the
CIrCC SCE. The divider is eight bits wide. The input clock to the Bit Rate Divider is 50 KHz (Carrier
Frequency Divider input clock 16). The relationship between the Bit Rate Divider (BRD) and the Bit
Rate (Fb) is as follows:
BRD = (.05MHz/Fb) – 1
For example, program the Bit Rate Divider with 55 ('37'Hex) for a .562ms Remote Control bit cell like
for the NEC remote control frame format: Fb = 0.893 KHz. This is ~.5% accuracy. Table 9 contains
representative BRD vs. BitRate relationships. The Bit Rate range is 50 KHz to 190Hz.
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