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Section 9 Timers
Rev. 6.00 Sep 12, 2006 page 212 of 526
REJ09B0326-0600
Bits 2 to 0
Clock Select (TMB12 to TMB10):
Bits 2 to 0 select the clock input to TCB1. For
external event counting, either the rising or falling edge can be selected.
Bit 2: TMB12
Bit 1: TMB11
Bit 0: TMB10
Description
0 0 0 Internal
clock:
φ
/8192 (initial
value)
1 Internal
clock:
φ
/2048
1 0 Internal
clock:
φ
/512
1 Internal
clock:
φ
/256
1 0 0 Internal
clock:
φ
/64
1 Internal
clock:
φ
/16
1 0 Internal
clock:
φ
/4
1
External event (TMIB): rising or falling edge
*
Note:
*
The edge of the external event signal is selected by bit INTEG6 in interrupt edge select
register 2 (IEGR2). See section 3.3.2, Interrupt Control Registers, for details.
Timer Counter B1 (TCB1)
Bit
7 6 5 4 3 2 1 0
TCB17 TCB16 TCB15 TCB14 TCB13 TCB12 TCB11 TCB10
Initial
value 0 0 0 0 0 0 0 0
Read/Write R R R R R R R R
TCB1 is an 8-bit read-only up-counter, which is incremented by internal clock or external event
input. The clock source for input to this counter is selected by bits TMB12 to TMB10 in timer
mode register B1 (TMB1). TCB1 values can be read by the CPU at any time.
When TCB1 overflows from H'FF to H'00 or to the value set in TLB1, the IRRTB1 bit in IRR1 is
set to 1.
TCB1 is allocated to the same address as TLB1.
Upon reset, TCB1 is initialized to H'00.
Summary of Contents for F-ZTAT H8/3642A Series
Page 6: ...Rev 6 00 Sep 12 2006 page iv of xx ...
Page 8: ...Rev 6 00 Sep 12 2006 page vi of xx ...
Page 22: ...Rev 6 00 Sep 12 2006 page xx of xx ...
Page 124: ...Section 5 Power Down Modes Rev 6 00 Sep 12 2006 page 102 of 526 REJ09B0326 0600 ...
Page 188: ...Section 6 ROM Rev 6 00 Sep 12 2006 page 166 of 526 REJ09B0326 0600 ...
Page 190: ...Section 7 RAM Rev 6 00 Sep 12 2006 page 168 of 526 REJ09B0326 0600 ...
Page 298: ...Section 9 Timers Rev 6 00 Sep 12 2006 page 276 of 526 REJ09B0326 0600 ...
Page 378: ...Section 12 A D Converter Rev 6 00 Sep 12 2006 page 356 of 526 REJ09B0326 0600 ...
Page 446: ...Section 13 Electrical Characteristics Rev 6 00 Sep 12 2006 page 424 of 526 REJ09B0326 0600 ...