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HT56RU25 Scheda tecnica(PDF) 68 Page - Holtek Semiconductor Inc

Il numero della parte HT56RU25
Spiegazioni elettronici  DAC?갏SO7816, UART, A/D
Download  155 Pages
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Produttore elettronici  HOLTEK [Holtek Semiconductor Inc]
Homepage  http://www.holtek.com
Logo HOLTEK - Holtek Semiconductor Inc

HT56RU25 Scheda tecnica(HTML) 68 Page - Holtek Semiconductor Inc

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Rev. 1.10
68
2014-05-19
Rev. 1.10
69
2014-05-19
HT56RU25
内置
DAC、ISO7816 及 UART 接口的
低功耗
A/D 型智能卡 OTP 单片机
SIM1 控制寄存器 0 – SIM1CTL0
Bit
7
6
5
4
3
2
1
0
Name S1SIM2 S1SIM1 S1SIM0
D4
D3
D2
SIM1EN
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
POR
1
1
1
0
0
0
0
Bit 7~5
S1SIM2~SISIM0:SIM1 模式和时钟选择位
000:SIM1 处于 SPI 主机模式,时钟源为 fSYS/4
001:SIM1 处于 SPI 主机模式,时钟源为 fSYS/16
010:SIM1 处于 SPI 主机模式,时钟源为 fSYS/64
011:SIM1 处于 SPI 主机模式,时钟源为 fSUB
100:SIM1 处于 SPI 主机模式,时钟源为定时 / 计数器 0 溢出 /2(PFD0)
101:SIM1 处于 SPI 从机模式
110:SIM1 处于 I2C 模式
111:保留
Bit 4~2
未定义,读为“
0”
Bit 1
SIM1EN:SIM1 使能控制位
0:SIM1 除能
1:SIM1 使能
Bit 0
未定义,读为“
0”
SIMn 控制寄存器 1 – SIMnCTL1 (n=0 或 1),用于 I2C 模式
Bit
7
6
5
4
3
2
1
0
Name
HCFn HAASn HBBn
HTXn TXAKn SRWn
RXAKn
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
POR
1
0
0
0
0
0
1
Bit 7
HCFn:I2C 总线数据传输完成标志位
0:数据正在传输
1:8 位数据传输完成
HCFn 位是数据传输标志位。当数据被传输时,该位为 0,当 8 位数据传输完成
时这一位为高并产生一个中断。
Bit 6
HAASn:I2C 总线地址匹配标志位
0:地址不匹配
1:地址匹配
HAASn 位是地址匹配标志位。这个标志位由从机设备的地址是否同主机发送的
地址相同决定。如果地址匹配,这一位会被设为高,反之,为低。
Bit 5
HBBn:I2C 总线忙标志位
0:I2C 总线闲
1:I2C 总线忙
HBBn 位是 I2C 总线的忙标志位。当检测到 START 信号时,I2C 总线将处于忙状
态,此时
HBBn 位为 1。当检测到 STOP 信号时,I2C 总线将处于闲状态,HBBn
位为
0。
Bit 4
HTXn:选择 I2C 从机设备为发送器或接收器
0:从机设备为接收器
1:从机设备为发送器


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