Manufacturer: National Semiconductor  •  RoHS/pb-free: RoHS   Pb-free  •  Applications: Connectivity Processor  •  Core Processor: CR16C  •  Program Memory Type: FLASH (256 kB)  •  RAM Size: 10K x 8  •  Interface: Bluetooth, ACCESS.bus, Audio, CAN, Microwire/SPI, UART  •  Number of I /O: 23  •  Voltage - Supply: 2.25 V ~ 2.75 V  •  Operating Temperature: -40°C ~ 85°C  •  Package / Case: 48-Laminate CSP  •  Other PartNo: *CP3BT13K38, *CP3BT13K38/NOPB, CP3BT13K38