US 12,248,414 B2
Data transmission control device
Yan-Qing Wang, Xiamen (CN); Yan-Xiong Wu, Xiamen (CN); Wei-Sheng Du, Xiamen (CN); and Qin-Wei She, Xiamen (CN)
Assigned to SIGMASTAR TECHNOLOGY LTD., Xiamen (CN)
Filed by Sigmastar Technology Ltd., Xiamen (CN)
Filed on Mar. 17, 2023, as Appl. No. 18/122,917.
Claims priority of application No. 202210359819.1 (CN), filed on Apr. 6, 2022.
Prior Publication US 2023/0325330 A1, Oct. 12, 2023
Int. Cl. G06F 13/24 (2006.01); G06F 13/42 (2006.01)
CPC G06F 13/24 (2013.01) [G06F 13/4221 (2013.01); G06F 2213/0026 (2013.01)] 4 Claims
OG exemplary drawing
 
1. A data transmission control device, disposed in a chip that comprises a Peripheral Component Interconnect Express (PCIe) interface and coupled to a memory that comprises a block, the data transmission control device comprising:
a control circuit;
a PCIe interface controller configured to receive a data; and
an address monitoring circuit configured to issue an interrupt to the control circuit in response to the data being written into the block;
wherein the address monitoring circuit issues the interrupt when the chip operates in an Endpoint (EP) mode;
wherein the block is located at a predetermined address of the memory, and the data has a target address, the address monitoring circuit comprising:
a comparison circuit configured to determine whether the predetermined address is identical to the target address; and
an interrupt controller coupled to the comparison circuit and configured to generate the interrupt when the predetermined address is identical to the target address.