JP2010511943A5

JP2010511943A5 -

Info

Publication number: JP2010511943A5
Application number: JP2009539576A
Authority: JP
Filing date: 2007-12-04
Publication date: 2011-01-20
Anticipated expiration: 2027-12-04

Claims

A semiconductor device used in a serial interconnect configuration of multiple devices of mixed type,
The plurality of devices are serially interconnected, a first device of the serial interconnect configuration receives a serial input, the serial input is propagated through the serial interconnect configuration, and the serial input is a device type A semiconductor device comprising an identification, a command, and a device address identification, wherein the device executes the command based on the device type identification and the device address identification.

A device type holder for holding a device type indicating the type of the device;
The semiconductor device according to claim 1, further comprising: an address holder that holds a device address, wherein the assigned address indicates an address of the device.

A type match determiner that determines whether the device type identification matches the device type held by the device type holder, each device if the device type identification matches the held device type A type match determiner that can provide a non-device type match result if the device type identification does not match the retained device type; and
An address match determiner that determines whether the device address identification matches the device address held by the address holder, each address match if the device address identification matches the held device address 3. The semiconductor device of claim 2, further comprising: an address match determiner that can provide a non-device address match result if the device address identification does not match the retained device address.

Controlling the operation of the device in response to the received serial input;
4. The semiconductor device according to claim 3, further comprising a device controller that executes the command included in the received serial input in response to the device type match result and the address match result.

The serial input further includes data information including an address number;
The device controller is
Changing the address number in response to the device type match result and the device address match result;
5. The semiconductor device according to claim 4, wherein the data information included in the serial input can be transferred to a next device of the serial interconnection configuration.

6. The semiconductor device of claim 5, wherein the received address number of the data information is held in the address holder and indicates the address of the device.

6. The semiconductor device of claim 5, wherein the changed address number is held in the address holder and indicates the address of the device.

6. The semiconductor device of claim 5, wherein the device controller changes the address number by performing an arithmetic calculation based on the received address number and a predetermined number of the data information.

9. The semiconductor device according to claim 8, wherein the arithmetic calculation by the device controller includes addition of the received address number and the predetermined number.

10. The semiconductor device according to claim 9, wherein the predetermined number is 1, and the changed address number includes an increment by 1 of the address number.

9. The semiconductor device according to claim 8, wherein the arithmetic calculation by the device controller includes subtraction between the address number and the predetermined number.

12. The semiconductor device according to claim 11, wherein the predetermined number is 1, and the changed address number includes a decrement by 1 of the address number.

The address holder holds an intended address number;
The device address identification included in the serial input includes the intended address number;
The address number of the data information included in the serial input includes an initial address number;
The device controller can change the initial address number in response to the address match result, and the changed address number replaces the intended address number held in the address holder. 5. The semiconductor device according to 5.

The device controller is responsive to any one of the non-device type match result and the non-device address match result to the next device in the serial interconnect configuration to receive the device of the received serial input 14. The semiconductor device of claim 13, which transfers a type identification, the command, and the device address identification.

The device includes a memory;
The data information included in the serial input further includes information data relating to the memory;
The device controller can execute the command based on the memory-related information data to access the memory in response to the device type match result and the device address match result. Semiconductor devices.

In response to either the non-device type match result and the non-device address match result, the device controller identifies the device type identification included in the received serial input to the next device in the serial interconnect configuration. 16. The semiconductor device of claim 15, further capable of transferring the device address identification, the command, and the data.

The memory includes any one of NAND flash EEPROM, NOR flash EEPROM, AND flash EEPROM, DiNOR flash EEPROM, serial flash EEPROM, DRAM, SRAM, ROM, EPROM, FRAM, MRAM, and PCRAM. 15. The semiconductor device according to 15.