HD64F3644PV Datasheet, PDF (233/551 Pages) Renesas Technology Corp – Old Company Name in Catalogs and Other Documents

Register Configuration
Table 9.6 shows the register configuration of timer B1.
Table 9.6 Timer B1 Registers
Name
Timer mode register B1
Timer counter B1
Timer load register B1
Abbr.
R/W
TMB1
R/W
TCB1
R
TLB1
W
Section 9 Timers
Initial Value
H'78
H'00
H'00
Address
H'FFB2
H'FFB3
H'FFB3
9.3.2 Register Descriptions
Timer Mode Register B1 (TMB1)
Bit
7
6
5
4
3
2
1
0
TMB17 


 TMB12 TMB11 TMB10
Initial value
0
1
1
1
1
0
0
0
Read/Write
R/W




R/W
R/W
R/W
TMB1 is an 8-bit read/write register for selecting the auto-reload function and input clock.
Upon reset, TMB1 is initialized to H'78.
Bit 7Auto-Reload Function Select (TMB17): Bit 7 selects whether timer B1 is used as an
interval timer or auto-reload timer.
Bit 7: TMB17
0
1
Description
Interval timer function selected
Auto-reload function selected
(initial value)
Bits 6 to 3Reserved Bits: Bits 6 to 3 are reserved; they are always read as 1, and cannot be
modified.
Rev. 6.00 Sep 12, 2006 page 211 of 526
REJ09B0326-0600