San Jose, Calif. Toshiba Corp.'s newest 8-bit microcontroller core called the TLCS-870/C1 is said to be capable of processing one instruction cycle in a single clock cycle, enabling faster processing at lower frequencies, reduced noise and lower power consumption compared with Toshiba's previous 8-bit core. Its large-capacity address space is expandable to 128 Kbytes.
The core architecture was modified from the previous TLCS-870/C architecture. The result was up to a four-fold increase in performance at the same clock frequency. TAEC plans to introduce its first new products based on the new core in the fourth quarter of 2006.
The TLCS-870/C1 core is aimed at a wide range of applications from small-scale applications, such as portable digital-consumer products, to large-scale applications requiring large-capacity ROM, such as air conditioners, washing machines, and other white goods.
"Our next-generation TLCS-870/C1-based 8-bit MCUs will offer low power, low voltage and performance comparable to that of 16-bit devices," said Roland Gehrmann, business development manager in the ASSP Business Unit at Toshiba America Electronic Components, Inc. (TAEC).
"In response to customer feedback, the new family will help reduce system cost by integrating must-have features such as a voltage-detection circuit, a power-on reset circuit, and an on-chip debug circuit," he said...
Part of the IC design used synchronous RTL design instead of multiphase-clock design based on circuit diagrams. The expanded address space was attained with a memory-management method that manages code and data in separate areas. Up to 128 Kbytes of address space can be implemented in an 8-bit MCU without any adverse consequences such as increased footprint due to address-bus expansion or degraded processing speed, which is common with the alternative memory-bank method.
The TLCS-870/C1 core is binary compatible with previous Toshiba 8-bit MCUs; thus, existing software resources can be used. When used in combination with a Toshiba C compiler, high code efficiency can be realized.
Toshiba America Electronic Components, Inc. (408) 526-2612