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<strong>MC95FB204</strong>13. Basic Interval Timer13.1 OverviewThe <strong>MC95FB204</strong> has one 8-bit Basic Interval Timer that is free-run and can’t stop. Block diagram isshown in Figure 13.1. In addition, the Basic Interval Timer generates the time base for watchdog timer<strong>co</strong>unting. It also provides a Basic Interval Timer interrupt (BITF).The <strong>MC95FB204</strong> has these Basic Interval Timer (BIT) features:- During Power On, BIT gives a stable clock generation time- On exiting Stop mode, BIT gives a stable clock generation time- As clock function, time interrupt occurrence13.2 Block Diagram& BITR[7:0]& BITR[6:0]& BITR[5:0]& BITR[4:0]& BITR[3:0]& BITR[2:0]& BITR[1:0]& BITR[0]BIT Interruptf BITBITR(8-BITCOUNTER)BITR[7]BITR[6]BITR[5]BITR[4]BITR[3]BITR[2]BITR[1]BITR[0]BCK[2:0]BIT_OUT(WDT clock source)Figure 13.1 BIT Block Diagram13.3 Register MapTable 13-1 Register MapName Address Dir Default DescriptionBCCR 8BH R/W 05H BIT Clock Control RegisterBITR 8CH R 00H Basic Interval Timer Register68 July 17, 2012 Ver.1.7
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