參數(shù)資料
型號(hào)： M30220MA-XXXGP
元件分類： 微控制器/微處理器
英文描述： 16-BIT, MROM, 10 MHz, MICROCONTROLLER, PQFP144
封裝： 20 X 20 MM, 0.50 MM PITCH, PLASTIC, LQFP-144
文件頁(yè)數(shù)： 155/161頁(yè)
文件大?。?/td> 0K
代理商： M30220MA-XXXGP
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S1C88832/88862 TECHNICAL MANUAL
EPSON
85
5 PERIPHERAL CIRCUITS AND THEIR OPERATION (Programmable Timer)
MODE16: 00FF30HD4
Selects the 8/16-bit mode.
When "1" is written: 16 bits
× 1 channel
When "0" is written: 8 bits
× 2 channels
Reading:
Valid
Select whether timer 0 and timer 1 will be used as 2
channel independent 8-bit timers or as a 1 channel
combined 16-bit timer. When "0" is written to
MODE16, 8-bit
× 2 channels is selected and when
"1" is written, 16-bit
× 1 channel is selected.
At initial reset, MODE16 is set to "0" (8-bit
× 2
channels).
CKSEL0, CKSEL1: 00FF30HD0, D1
Select the source clock of the prescaler.
When "1" is written: OSC3 clock
When "0" is written: OSC1 clock
Reading:
Valid
Select whether the source clock of prescaler 0 will
be set to OSC1 or OSC3. When "0" is written to
CKSEL0, OSC1 is selected and when "1" is written,
OSC3 is selected.
In the same way, the source clock of prescaler 1 is
selected by CKSEL1.
When event counter mode has been selected, the
setting of the CKSEL0 becomes invalid. In the same
way, the CKSEL1 setting becomes invalid when 16-
bit mode has been selected.
At initial reset, this register is set to "0" (OSC1
clock).
PSC00, PSC01: 00FF31HD3, D4
PSC10, PSC11: 00FF32HD3, D4
Select the dividing ratio of the prescaler.
Two-bit PSC00 and PSC01 is the prescaler dividing
ratio selection registers for timer 0, and the two-bit
PSC10 and PSC11 correspond to timer 1. The
prescaler dividing ratios that can be set by these
registers are shown in Table 5.10.10.2.
Table 5.10.10.2 Selection of prescaler dividing ratio
EVCNT: 00FF31HD7
Selects the counter mode for the timer 0.
When "1" is written: Event counter mode
When "0" is written: Timer mode
Reading:
Valid
Select whether timer 0 will be used as an event
counter or a timer. When "1" is written to EVCNT,
the event counter mode is selected and when "0" is
written, the timer mode is selected.
At initial reset, EVCNT is set to "0" (timer mode).
FCSEL: 00FF31HD6
Selects the function for each counter mode of timer 0.
In timer mode
When "1" is written: Pulse width measurement
timer mode
When "0" is written: Normal mode
Reading:
Valid
In the timer mode, select whether timer 0 will be
used as a pulse width measurement timer or a
normal timer. When "1" is written to FCSEL, the
pulse width measurement mode is selected and the
counting is done according to the level of the signal
(EVIN) input to the K10 input port terminal. When
"0" is written to FCSEL, the normal mode is selected
and the counting is not affected by the K10 input
port terminal.
In event counter mode
When "1" is written: With noise rejecter
When "0" is written: Without noise rejecter
Reading:
Valid
In the event counter mode, select whether the noise
rejecter for the K10 input port terminal will be
selected or not.
When "1" is written to FCSEL, the noise rejecter is
selected and counting is done by an external clock
(EVIN) with 0.98 msec or more pulse width. (The
noise rejecter allows clocking counter at the second
falling edge of the internal 2,048 Hz signal after
changing the input level of the K10 input port
terminal. Consequently, the pulse width that can
reliably be rejected is 0.48 msec.)
When "0" is written to FCSEL, the noise rejector is
not selected and the counting is done directly by an
external clock (EVIN) input to the K10 input port
terminal.
At initial reset, FCSEL is set to "0".
PSC11
PSC01
PSC10
PSC00
Prescaler dividing ratio
1
0
1
0
1
0
Input clock / 64
Input clock / 16
Input clock / 4
Input clock / 1
When event counter mode has been selected, the
setting of the PSC00 and PSC01 becomes invalid. In
the same way, the PSC10 and PSC11 setting
becomes invalid when 16-bit mode has been
selected.
At initial reset, this register is set to "0" (input
clock/1).
相關(guān)PDF資料
PDF描述
M30220MA-XXXRP 16-BIT, MROM, 10 MHz, MICROCONTROLLER, PQFP144
M30220MA-XXXRP 16-BIT, MROM, 10 MHz, MICROCONTROLLER, PQFP144
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參數(shù)描述
M30220MA-XXXRP 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
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