Rev. 1.0, 02/00, page 267 of 1141
13.2.2
Timer J Control Register (TMJC)
0
1
0
2
0
R/W
3
PS22
EXN
R/W
R/W
4
0
R/W
5
0
6
0
7
R/W
R/W
MON1
R/W
BUZZ0
0
R/W
BUZZ1
MON0
TMJ2IE
TMJ1IE
1
1
Bit :
Initial value :
R/W :
The timer J control register (TMJC) works to select the buzzer output frequency and to control
permission/prohibition of interrupts.
The TMJC is an 8-bit read/write register.
When reset, the TMJC is initialized to H'09.
Bits 7 and 6
Selecting the Buzzer Output (BUZZ1 or BUZZ0): This bit works to select if
using the buzzer outputs as the output signal through the BUZZ pin or if using the monitor signals
as the output signal through the BUZZ pin.
When setting is made to the monitor signals, choose the monitor signal using the MON1 bit and
MON0 bit.
Bit 7
Bit 6
BUZZ1
BUZZ0
Description
Frequency when
φφφφ
= 10 MHz
0
φ
/4096
(Initial value)
2.44 kHz
0
1
φ
/8192
1.22 kHz
0
Works to output monitor signals
1
1
Works to output BUZZ signals from timer J