TMP86xy46NG Toshiba, TMP86xy46NG Datasheet - Page 83
TMP86xy46NG
Manufacturer Part Number
TMP86xy46NG
Description
Manufacturer
Toshiba
Datasheet
1.TMP86XY46NG.pdf
(171 pages)
Specifications of TMP86xy46NG
Package
SDIP42
Rom Types (m=mask,p=otp,f=flash)
M/P/F
Rom Size
8/16/32
Ram Size
512/512/1K
Driver Led
19
Driver Lcd
-
Spi/sio Channels
1
Uart/sio Channels
1
I2c/sio Channels
-
High-speed Serial Output
-
Adc 8-bit Channels
-
Adc 10-bit Channels
8
Da Converter Channels
-
Timer Counter 18-bit Channel
-
Timer Counter 16-bit Channel
1
Timer Counter 8-bit Channel
2
Motor Channels
-
Watchdog Timer
Y
Dual Clock
Y
Clock Gear
-
Number Of I/o Ports
33
Power Supply (v)
4.5 to 5.5
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8.3 Function
8. 16-Bit TimerCounter 1 (TC1)
TC1 pin Input
Up-counter
TC1DRA
INTTC1
interrput request
8.3.3 Event Counter Mode
rising or falling edge of the input pulse is selected as the count up edge in TC1CR<TC1S>.
and the up-counter is cleared. After being cleared, the up-counter restarts counting at each edge of the input
pulse to the TC1 pin. Since a match between the up-counter and the value set to TC1DRA is detected at the
edge opposite to the selected edge, an INTTC1 interrupt request is generated after a match of the value at the
edge opposite to the selected edge.
Use the auto-capture function in the operative condition of TC1. A captured value may not be fixed if it's read
after the execution of the timer stop or auto-capture disable. Read the capture value in a capture enabled condi-
tion. Since the up-counter value is captured into TC1DRB by the source clock of up-counter after setting
TC1CR<ACAP1> to "1". Therefore, to read the captured value, wait at least one cycle of the internal source
clock before reading TC1DRB for the first time.
In the event counter mode, the up-counter counts up at the edge of the input pulse to the TC1 pin. Either the
When a match between the up-counter and the TC1DRA value is detected, an INTTC1 interrupt is generated
Two or more machine cycles are required for the low-or high-level pulse input to the TC1 pin.
Setting TC1CR<ACAP1> to “1” captures the up-counter value into TC1DRB with the auto capture function.
?
Table 8-2 Input Pulse Width to TC1 Pin
Timer start
High-going
Low-going
0
n
Figure 8-4 Event Counter Mode Timing Chart
1
NORMAL1/2, IDLE1/2 Mode
2
2
2
3
3
Page 72
/fc
/fc
Minimum Pulse Width [s]
Match detect
n − 1
SLOW1/2, SLEEP1/2 Mode
n
0
Counter clear
2
2
3
3
/fs
/fs
1
2
TMP86PM46NG
(TC1S = 10)
At the
rising edge
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