TMP91xy25FG Toshiba, TMP91xy25FG Datasheet - Page 220

• Manufacturer Part Number: TMP91xy25FG
• Manufacturer: Toshiba

Specifications of TMP91xy25FG

• Package: LQFP100
• Rom Types(m=mask,p=otp, F=flash,e=eeprom): Romless
• Rom Combinations: Romless
• Ram Combinations: Ramless
• Architecture: 16-bit CISC
• Usb/spi Channels: -
• Uart/sio Channels: 2
• I2c/sio Bus Channels: -
• (s)dram Controller: -
• Adc 10-bit Channel: 4
• Da Converter: -
• Timer 8-bit Channel: 4
• Timer 16-bit Channel: -
• Pwm 8-bit Channels: -
• Pwm 16-bit Channels: -
• Cs/wait Controller: 4
• Dual Clock: Y
• Number Of I/o Ports: 49
• Power Supply Voltage(v): 3.0 to 3.6

3.15.3.2 Alarm Generator
frequency 4096 Hz determined by the low-speed clock (32.768 kHz). And this
waveform is reversible by setting a value to a register.
the free-run counter which is used for alarm generator.
waveform
MELALMC<FC1:0> register, and clear internal counter. Finally alarm pattern has to
be set on 8-bit register of ALM. If it is inverted output-data, set <ALMINV> as invert.
each setting value.
The Alarm function generates 8 kinds of alarm waveform having a modulation
By connecting a loud speaker outside, Alarm tone can sound easily.
5 kinds of fixed cycle (1 Hz, 2 Hz, 64 Hz, 512 Hz, 8192 Hz) interrupts are generate by
(Operation)
At first, MELALMC<MELALM> have to be set as 0 in order to select alarm
Followings are example program, setting value of alarm pattern and waveform of
(Setting value of alarm pattern)
(Example program)
In case of outputting AL2 pattern (31.25 ms/8 times/1 s)
LD
LD
Setting Value for
ALM Register
as
Other
00H
01H
02H
04H
08H
10H
20H
40H
80H
(MELALMC), C0H
(ALM), 02H
output
waveform
91C025-219
Undefined (do not set)
Alarm Waveform
AL1 pattern
AL2 pattern
AL3 pattern
AL4 pattern
AL5 pattern
AL7 pattern
AL8 pattern
AL6pattern
0 fixed
from
MLDALM.
; Set output alarm waveform
; Free-run counter start
; Set AL2 pattern, start
Then
“10”
TMP91C025
be
2007-02-28
set
on