U-Timer Registers - Fujitsu MB91319 Series Hardware Manual

13.2

U-TIMER Registers

This section describes the configuration and functions of the registers used by the U-
TIMER.
■ U-TIMER Registers
Figure 13.2-1 shows the registers used by the U-TIMER.
15
■ U-TIMER (UTIM)
Figure 13.2-2 shows the bit configuration of the U-TIMER (UTIM).
UTIM
ch0 Address: 000064
ch1 Address: 00006C
ch2 Address: 000074
ch3 Address: 00007C
ch4 Address: 000084
UTIM is a register that indicates the timer value. Use a 16-bit transfer instruction to access this
register.
■ Reload Register (UTIMR)
Figure 13.2-3 shows the bit configuration of the reload register (UTIMR).
Figure 13.2-3 Bit Configuration of the Reload Register (UTIMR)
UTIMER
ch0 Address: 000064
ch1 Address: 00006C
ch2 Address: 000074
ch3 Address: 00007C
ch4 Address: 000084
UTIMR is a register that stores the value to be reloaded into UTIM if UTIM underflows.
Be sure to use a 16-bit transfer instruction to access this register.
Figure 13.2-1 U-TIMER Registers
8
UTIMR
Figure 13.2-2 Bit Configuration of the U-TIMER (UTIM)
15 14
b15 b14
H
H
H
H
H
15 14
b15 b14
H
H
H
H
H
7
UTIM
UTIMC
2
b2
2
b2
CHAPTER 13 U-TIMER
0
(R)
(W)
(R/W)
1 0
b1 b0
R Access
0 Initial value
1 0
b1 b0
W Access
0 Initial value
251