TMP89FM42A - Toshiba

TMP89FM42A 8-Bit Microcontroller

8 Bit Microcontroller TLCS-870/C1 Series TMP89FM42A © 2009 TOSHIBA CORPORATION All Rights Reserved TMP89FM42A Difference between 89FM42A and 89FM42, 89CM42 In the product with an internal oscillator (89FM42A), a part of after reset value in registers and characteristics is different from that of the products which have no internal oscillator (89FM42, 89CM4.

Features

control register 2(SYSCR2) SYSCR2 (0x0FDD) Bit Symbol Read/Write After reset 7 OSCEN R/W 1 6 XEN R/W 0 5 XTEN R/W 0 4 SYSCK R/W 0 Bit Symbol Read/Write After reset contents Product with the internal oscillator (89FM42A) OSCEN R/W 1 Controls the internal high-frequency clock (fOSC) 0: Stop oscillation 1: Continue or start oscillation 3 2 1 0 IDLE TGHALT − − R/W R/W R R 0 0 0 0 Products without the internal oscillator (89FM42, 89CM42) − R 0 − − TMP89FM42A After reset value of Warm-up counter control register (WUCCR) WUCCR 7 6 5 4 (0x0FCD) Bit Symbol WUCRST − .