TMP86xy48UG/FG Toshiba, TMP86xy48UG/FG Datasheet - Page 63

• Manufacturer Part Number: TMP86xy48UG/FG
• Manufacturer: Toshiba

Specifications of TMP86xy48UG/FG

• Package: LQFP64/QFP64
• Rom Types (m=mask,p=otp,f=flash): F/E
• Rom Size: 32
• Ram Size: 2K
• Driver Led: 11
• Driver Lcd: -
• Spi/sio Channels: 1
• Uart/sio Channels: 1
• I2c/sio Channels: 1
• High-speed Serial Output: 2
• Adc 8-bit Channels: -
• Adc 10-bit Channels: 16
• Da Converter Channels: -
• Timer Counter 18-bit Channel: -
• Timer Counter 16-bit Channel: 2
• Timer Counter 8-bit Channel: 2
• Motor Channels: -
• Watchdog Timer: Y
• Dual Clock: Y
• Clock Gear: -
• Number Of I/o Ports: 54
• Power Supply (v): 2.7 to 3.6

2.3
Time Base Timer (TBT)
provides a time base timer interrupt (INTTBT).
timing generator) after the time base timer has been enabled. The divider is not cleared by the
program; therefore, only the first interrupt may be generated ahead of the set interrupt period
(Figure 2.3.1 (b)).
interrupt frequency must not be changed with the disable from the enable state). Both
frequency selection and enabling can be performed simultaneously.
The time base timer generates time base for key scanning, dynamic displaying, etc. It also
An INTTBT is generated on the first falling edge of source clock (The divider output of the
The interrupt frequency (TBTCK) must be selected with the time base timer disabled (the
fc/2
fc/2
fc/2
fc/2
fc/2
fc/2
fc/2
fc/2
23
21
16
14
13
12
11
9
or fs/2
or fs/2
or fs/2
or fs/2
or fs/2
or fs/2
or fs/2
or fs/2
15
13
8
6
5
4
3
Source clock
TBTEN
INTTBT
Example: Sets the time base timer frequency to fc/2
Time base timer control register
TBTCK
A
B
C
D
E
F
G
H
3
MPX
S
TBTCR
Enable TBT
Y
LD
LD
DI
SET
Source clock
Figure 2.3.1 Time Base Timer
(b) Time base timer interrupt
TBTEN
(a) Configuration
Interrupt period
(TBTCR), 00000010B
(TBTCR), 00001010B
(EIRL). 6
86FM48-59
Falling edge
detector
16
[Hz] and enables an INTTBT interrupt.
;
;
;
TBTCK ← 010
TBTEN ← 1
IMF ← 0
MPX: Multiplexer
IDLE0/SLEEP0
release request
INTTBT
interrupt request
TMP86FM48
2007-08-24