Tmr (16-Bit Timer Register)/Tmrlr (16-Bit Reload Register); Figure 15.3.2A 16-Bit Timer Register And 16-Bit Reload Register - Fujitsu F2MC-16LX MB90580 Series Hardware Manual

15.3.2 TMR (16-bit timer register)/TMRLR (16-bit reload register)

16-bit timer register (upper)/
16-bit reload register (upper)
Address: ch0 00003B
Address: ch0 00004B
ch1 00003F
ch1 00004F
ch2 000053
Read/write
Initial value
16-bit timer register (lower)/
16-bit reload register (lower)
Address: ch0 00003A
Address: ch0 00004A
ch1 00003E
ch1 00004E
ch2 000052
Read/write
Initial value

Figure 15.3.2a 16-Bit Timer Register and 16-Bit Reload Register

TMR contents (for reading)
Reading this register reads the count value of the 16-bit timer. The initial value is undefined. Always read
this register using word move instructions.
TMRLR contents (for writing)
The 16-bit reload register holds the initial count value. The initial value is undefined. Always write to this
register using word transfer instructions.
MB90580 Series
15

H
H

H
H 
(R/W) (R/W)
(X) (X)
7

H 
H
H

H
H
(R/W) (R/W)
(X) (X)
Chapter 15: 16-Bit Reload Timer (with Event Count Function)
14 13 12 11
(R/W) (R/W) (R/W) (R/W)
(X) (X) (X)
6 5 4
(R/W) (R/W) (R/W)
(X) (X) (X)
15.3 Registers and Register Details
10 9 8
(R/W) (R/W)
(X) (X) (X)
3 2 1 0
(R/W) (R/W) (R/W)
(X) (X) (X)
Bit number
TMR0-2/
TMRLR0-2
(HIGH)
Bit number
TMR0-2/
TMRLR0-2
(LOW)
213