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| 型号： | SC18IS600IBS |
| 厂商： | NXP SEMICONDUCTORS |
| 元件分类： | 总线控制器 |
| 英文描述： | I2C BUS CONTROLLER, PQCC24 |
| 封装： | 4 X 4 MM, 0.85 MM HEIGHT, PLASTIC, MO-220, SOT616-3, HVQFN-24 |
| 文件页数： | 27/30页 |
| 文件大小： | 164K |
| 代理商： | SC18IS600IBS |
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SC18IS600_601_5
NXP B.V. 2008. All rights reserved.
Product data sheet
Rev. 05 — 28 July 2008
6 of 30
NXP Semiconductors
SC18IS600/601
SPI to I2C-bus interface
6.
Functional description
The SC18IS600/601 acts as a bridge between a SPI interface and an I2C-bus. It allows a
SPI master device to communicate with I2C-bus slave devices. The SPI interface supports
Mode 3 of the SPI specication and can operate up to 3 Mbit/s (SC18IS601).
6.1 Internal registers
The SC18IS600/601 provides internal registers for monitoring and control. These
registers are shown in Table 3. Register functions are more fully described in the following
paragraphs.
[1]
For SC18IS601, these bits are ‘Don’t care’.
[2]
For SC18IS601 GPIO3 is not used.
6.2 Register descriptions
6.2.1 Programmable IO port conguration register (IOCong)
Pins GPIO0 to GPIO3 may be congured by software to one of four types. These are:
quasi-bidirectional, push-pull, open-drain, and input-only. Two conguration bits per pin,
located in the IOCong register, select the IO type for each pin. Each pin has
Schmitt-triggered input that also has a glitch suppression circuit. IO4 and IO5 are
quasi-bidirectional pins and are not user-congurable. For SC18IS601, GPIO3 is
non-existent.
Table 4 shows the congurations for the programmable I/O pins. IOx.1 and IOx.0
correspond to GPIOx.
Table 3.
Internal registers summary
Register
address
Register
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
R/W
Default
value
0x00
IOCong
IO3.1[1]
IO2.1
IO2.0
IO1.1
IO1.0
IO0.1
IO0.0
R/W
0x00
0x01
IOState
0
GPIO5
GPIO4
GPIO3[2]
GPIO2
GPIO1
GPIO0
R/W
0x3F
0x02
I2CClock
CR7
CR6
CR5
CR4
CR3
CR2
CR1
CR0
R/W
0x19
0x03
I2CTO
TO6
TO5
TO4
TO3
TO2
TO1
TO0
TE
R/W
0xFE
0x04
I2CStat
1
I2CSTAT3 I2CSTAT2 I2CSTAT1 I2CSTAT0 R
0xF0
0x05
I2CAdr
ADR7
ADR6
ADR5
ADR4
ADR3
ADR2
ADR1
X
R/W
0x00
Table 4.
Pin congurations
IOx.1
IOx.0
Pin conguration
0
quasi-bidirectional output conguration
0
1
input-only conguration
1
0
push-pull output conguration
1
open-drain output conguration
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相关代理商/技术参数 |
参数描述 |
|---|---|
| SC18IS600IBS,128 | 功能描述:总线收发器 SPI to I2C Bus Interface 24-Pin RoHS:否 制造商:Fairchild Semiconductor 逻辑类型:CMOS 逻辑系列:74VCX 每芯片的通道数量:16 输入电平:CMOS 输出电平:CMOS 输出类型:3-State 高电平输出电流:- 24 mA 低电平输出电流:24 mA 传播延迟时间:6.2 ns 电源电压-最大:2.7 V, 3.6 V 电源电压-最小:1.65 V, 2.3 V 最大工作温度:+ 85 C 封装 / 箱体:TSSOP-48 封装:Reel |
| SC18IS600IBS,151 | 功能描述:I2C 接口集成电路 SPI to I2C Bus Interface 24-Pin RoHS:否 制造商:NXP Semiconductors 电源电压-最大:5.5 V 电源电压-最小:2.3 V 最大工作频率:400 KHz 最大工作温度:+ 85 C 封装 / 箱体:TSSOP-16 |
| SC18IS600IBS,157 | 功能描述:总线收发器 SPI to I2C Bus Interface 24-Pin RoHS:否 制造商:Fairchild Semiconductor 逻辑类型:CMOS 逻辑系列:74VCX 每芯片的通道数量:16 输入电平:CMOS 输出电平:CMOS 输出类型:3-State 高电平输出电流:- 24 mA 低电平输出电流:24 mA 传播延迟时间:6.2 ns 电源电压-最大:2.7 V, 3.6 V 电源电压-最小:1.65 V, 2.3 V 最大工作温度:+ 85 C 封装 / 箱体:TSSOP-48 封装:Reel |
| SC18IS600IBS151 | 制造商:Rochester Electronics LLC 功能描述: 制造商:NXP 功能描述: 制造商:NXP Semiconductors 功能描述: |
| SC18IS600IPW | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:SPI to IC-bus interface |
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