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参数资料
型号： TMP86CH47IUG
厂商： Toshiba Corporation
英文描述： Zener Diode; Application: General; Pd (mW): 500; Vz (V): 17.5 to 18.3; Condition Iz at Vz (mA): 5; C (pF) max: -; Condition VR at C (V):   ESD (kV) min: -; Package: DO-35
中文描述： 8位微控制器
文件页数： 76/160页
文件大小： 1627K
代理商： TMP86CH47IUG
Page 68
8. 16-Bit TimerCounter 1 (TC1)
8.3 Function
TMP86CH47IUG
8.3
Function
TimerCounter 1 has six types of operating modes: timer, external trigger timer, event counter, window, pulse
width measurement, programmable pulse generator output modes.
8.3.1
Timer mode
In the timer mode, the up-counter counts up using the internal clock. When a match between the up-counter and the timer
register 1A (TC1DRA) value is detected, an INTTC1 interrupt is generated and the up-counter is cleared. After being
cleared, the up-counter restarts counting. Setting TC1CR<ACAP1> to “1” captures the up-counter value into the timer reg-
ister 1B (TC1DRB) with the auto-capture function. Use the auto-capture function in the operative condition of TC1. A cap-
tured 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 condition. 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.
Note: 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.
Table 8-1 Internal Source Clock for TimerCounter 1 (Example: fc
=
16 MHz, fs
=
32.768 kHz)
TC1CK
NORMAL1/2, IDLE1/2 mode
SLOW, SLEEP mode
DV7CK = 0
DV7CK = 1
Resolution
[
μ
s]
Maximum Time Setting
[s]
Resolution
[
μ
s]
Maximum Time Setting
[s]
Resolution
[
μ
s]
Maximum
Time Set-
ting [s]
00
128
8.39
244.14
16.0
244.14
16.0
01
8.0
0.524
8.0
0.524
–
–
10
0.5
32.77 m
0.5
32.77 m
–
–
Example 1 :Setting the timer mode with source clock fc/2
11
[Hz] and generating an interrupt 1 second later
(fc
=
16 MHz, TBTCR<DV7CK>
=
“0”)
LDW
(TC1DRA), 1E84H
; Sets the timer register (1 s
÷
2
11
/fc
=
1E84H)
DI
; IMF
=
“0”
SET
(EIRL). 7
; Enables INTTC1
EI
; IMF
=
“1”
LD
(TC1CR), 00000000B
; Selects the source clock and mode
LD
(TC1CR), 00010000B
; Starts TC1
Example 2 :Auto-capture
LD
(TC1CR), 01010000B
; ACAP1
←
1
:
:
LD
WA, (TC1DRB)
; Reads the capture value
相关PDF资料
PDF描述
TMP86CH47SUG Zener Diode; Application: General; Pd (mW): 500; Vz (V): 18.1 to 19.0; Condition Iz at Vz (mA): 5; C (pF) max: -; Condition VR at C (V): &#160; ESD (kV) min: -; Package: DO-35
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相关代理商/技术参数
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