SC18IS601 Philips Semiconductors, SC18IS601 Datasheet

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SC18IS601

Manufacturer Part Number
SC18IS601
Description
(SC18IS600 / SC18IS601) SPI to IC-bus interface
Manufacturer
Philips Semiconductors
Datasheet

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1. General description
2. Features
3. Ordering information
The SC18IS600/601 is designed to serve as an interface between the standard SPI of a
host (microcontroller, microprocessor, chip set, etc.) and the serial I
the host to communicate directly with other I
operate as an I
controls all the I
The key distinction between the SC18IS600 and the SC18IS601 lies in the clock source:
internal (SC18IS600) versus external (SC18IS601).
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
Table 1.
Type number
SC18IS600IPW
SC18IS601IPW
SC18IS600/601
SPI to I
Rev. 03 — 13 December 2006
SPI slave interface
SPI Mode 3
Master I
General Purpose Input/Output (GPIO) pins: 4 (SC18IS600); 3 (SC18IS601)
Two quasi-bidirectional I/O pins
5 V tolerant I/O pins
High-speed SPI:
High-speed I
96-byte transmit buffer
96-byte receive buffer
2.4 V to 3.6 V operation
Power-down mode with WAKEUP pin
Oscillator: internal (SC18IS600); external (SC18IS601)
Active LOW interrupt output
Available in very small TSSOP16 package
N
N
Up to 3 Mbit/s (SC18IS601)
Up to 1.2 Mbit/s (SC18IS600)
Ordering information
2
C-bus controller
2
C-bus interface
2
2
C-bus master-transmitter or master-receiver. The SC18IS600/601
2
C-bus specific sequences, protocol, arbitration and timing.
C-bus: 400 kbit/s
Package
Name
TSSOP16
Description
plastic thin shrink small outline package; 16 leads;
body width 4.4 mm
2
C-bus devices. The SC18IS600/601 can
Product data sheet
2
C-bus. This allows
Version
SOT403-1

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SC18IS601 Summary of contents

Page 1

... I the host to communicate directly with other I operate controls all the I The key distinction between the SC18IS600 and the SC18IS601 lies in the clock source: internal (SC18IS600) versus external (SC18IS601). 2. Features I SPI slave interface ...

Page 2

NXP Semiconductors 4. Block diagram SC18IS600 CONTROL RESET LOGIC MISO MOSI SPI SCLK CS INT INTERRUPT CONTROL LOGIC OSCILLATOR ON-CHIP RC OSCILLATOR Fig 1. Block diagram of SC18IS600 SC18IS600_601_3 Product data sheet BUFFER CONTROLLER GENERAL PURPOSE Rev. 03 — 13 ...

Page 3

... NXP Semiconductors SC18IS601 CONTROL RESET MISO MOSI SCLK CS INT INTERRUPT CONTROL external clock input OSCILLATOR (CLKIN) Fig 2. Block diagram of SC18IS601 SC18IS600_601_3 Product data sheet LOGIC SPI LOGIC Rev. 03 — 13 December 2006 SC18IS600/601 SPI C-BUS BUFFER CONTROLLER GENERAL PURPOSE I/Os 002aab784 © ...

Page 4

... SCLK MOSI 10 GPIO2 SDA 9 GPIO1 SCL Fig 4. SC18IS601 pin configuration for TSSOP16 Type Description I/O programmable I/O pin I Chip select. When CS is LOW, the SC18IS600/601 is selected. I Master Reset. When active (LOW), RESET sets internal registers to the default values, and resets the I Table 3 ...

Page 5

... Functional description The SC18IS600/601 acts as a bridge between a SPI interface and an I SPI master device to communicate with I Mode 3 of the SPI specification and can operate Mbit/s (SC18IS601). 6.1 Internal registers The SC18IS600/601 provides internal registers for monitoring and control. These registers are shown in paragraphs ...

Page 6

NXP Semiconductors 6.2.1.1 Quasi-bidirectional output configuration Quasi-bidirectional outputs can be used both as an input and output without the need to reconfigure the pin. This is possible because when the pin outputs a logic HIGH weakly driven, allowing ...

Page 7

NXP Semiconductors 6.2.1.2 Open-drain output configuration The open-drain output configuration turns off all pull-ups and only drives the pull-down transistor of the pin when the pin latch contains a logic used as a logic output, a pin ...

Page 8

NXP Semiconductors Fig 8. Push-pull output configuration 6.2.2 I/O pins state register (IOState) When read, this register returns the actual state of all programmable and quasi-bidirectional I/O pins. When written, each register bit will be transferred to the corresponding I/O ...

Page 9

... The least significant bit of I2CTO (TE bit) is used as a time-out enable/disable. A logic 1 will enable the time-out function. On the SC18IS600 the time-out oscillator operates at 57.6 kHz. For the SC18IS601 the time-out oscillator frequency can be determined using the following formula: Time-out oscillator frequency This oscillator is fed into a 16-bit down counter. The down counter’s lower nine bits are loaded with ‘ ...

Page 10

NXP Semiconductors 2 6.2.6 I C-bus status register (I2CStat) This register reports the results of I SC18IS600/601 and Table 8. I C-bus status Register Bit 7 Bit 6 Bit 5 value 0xF0 0xF1 1 ...

Page 11

... NXP Semiconductors 6.3 External clock input (SC18IS601) In this device, the processor clock is derived from an external source driving the CLKIN pin. The clock rate may be from MHz. 2 6.4 I C-bus serial interface 2 I C-bus uses two wires (SDA and SCL) to transfer information between devices connected to the bus, and it has the following features: • ...

Page 12

NXP Semiconductors Fig 11. SPI single master multiple slaves configuration 6.6 SPI message format 6.6.1 Write N bytes to I SPI host sends 0x00 NUMBER SLAVE ADDRESS COMMAND OF BYTES CS SCLK MOSI command 0x00 2 Fig 12. Write N ...

Page 13

NXP Semiconductors 6.6.2 Read N bytes from I Fig 13. Read N bytes from I Once the host issues this command, the SC18IS600/601 will start an I transaction on the I SC18IS600/601 will place this data in the receiver buffer, ...

Page 14

NXP Semiconductors When the host issues a Read Buffer command, the SC18IS600/601 will return the data in the read buffer on the MISO pin. Note that the Read Buffer will be overwritten if an additional ‘Read N bytes’ ...

Page 15

NXP Semiconductors 6.6.7 Write to SC18IS600/601 internal registers Fig 18. Write to SC18IS600/601 internal registers A Write Register function is initiated by sending a 0x20 command followed by an internal register address to be written (see address. Only one register ...

Page 16

NXP Semiconductors 6.6.9 Power-down mode Fig 20. Power-down mode The SC18IS600/601 can be placed in a low-power mode where the internal oscillator is stopped and it will no longer respond to SPI messages. Enter the Power-down mode by sending the ...

Page 17

NXP Semiconductors 8. Static characteristics Table 11. Static characteristics +85 C (industrial); unless otherwise specified. DD amb Symbol Parameter I operating supply current DD(oper) I Idle mode supply ...

Page 18

... Table 12. Dynamic characteristics +85 C (industrial); unless otherwise specified. DD amb Symbol Parameter f internal RC oscillator osc(RC) frequency (SC18IS600) External clock input (SC18IS601); see f oscillator frequency osc T clock cycle time CLCL t clock HIGH time CHCX t clock LOW time CLCX ...

Page 19

... Table 13. Dynamic characteristics +85 C (industrial); unless otherwise specified. DD amb Symbol Parameter f internal RC oscillator osc(RC) frequency (SC18IS600) External clock input (SC18IS601); see f oscillator frequency osc T clock cycle time CLCL t clock HIGH time CHCX t clock LOW time CLCX ...

Page 20

NXP Semiconductors SS SPICLK (input) MISO (output) not defined MOSI (input) Fig 21. SPI slave timing (Mode 0.45 V Fig 22. External clock timing SC18IS600_601_3 Product data sheet t SPIF T CLCL t SPILEAD t ...

Page 21

NXP Semiconductors Table 14. Additional SPI AC characteristics Symbol Parameter t SPICLK HIGH time SPICLKW t CS HIGH time CSW t SPI enable lag time 1 SPILAG1 t delay time d SCLK t SPILEAD CS SDA 2 Fig 23. SPI ...

Page 22

NXP Semiconductors 10. Package outline TSSOP16: plastic thin shrink small outline package; 16 leads; body width 4 pin 1 index 1 DIMENSIONS (mm are the original dimensions) A UNIT max. ...

Page 23

NXP Semiconductors 11. Soldering This text provides a very brief insight into a complex technology. A more in-depth account of soldering ICs can be found in Application Note AN10365 “Surface mount reflow soldering description” . 11.1 Introduction to soldering Soldering ...

Page 24

NXP Semiconductors 11.4 Reflow soldering Key characteristics in reflow soldering are: • Lead-free versus SnPb soldering; note that a lead-free reflow process usually leads to higher minimum peak temperatures (see reducing the process window • Solder paste printing issues including ...

Page 25

NXP Semiconductors Fig 28. Temperature profiles for large and small components For further information on temperature profiles, refer to Application Note AN10365 “Surface mount reflow soldering description” . 12. Abbreviations Table 17. Acronym ASCII GPIO UART LSB MSB 2 I ...

Page 26

... Product data sheet Rev. 03 — 13 December 2006 SC18IS600/601 SPI to I Change notice Supersedes - SC18IS600_601_2 and Figure 2 “Block diagram of SC18IS601” 2 C-bus serial clock output” register”: modified: changed “register data” minimum value changed from “3 s” to SPICLKW - SC18IS600_601_1 ...

Page 27

NXP Semiconductors 14. Legal information 14.1 Data sheet status [1][2] Document status Product status Objective [short] data sheet Development Preliminary [short] data sheet Qualification Product [short] data sheet Production [1] Please consult the most recently issued document before initiating or ...

Page 28

... C-bus address register (I2CAdr 6.2.4 I C-bus clock rates register (I2CClk 6.2.5 I C-bus time-out register (I2CTO 6.2.6 I C-bus status register (I2CStat 6.3 External clock input (SC18IS601 6.4 I C-bus serial interface . . . . . . . . . . . . . . . . . . 11 6.5 Serial Peripheral Interface (SPI 6.6 SPI message format . . . . . . . . . . . . . . . . . . . . 12 2 6.6.1 Write N bytes to I C-bus slave device ...

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