參數(shù)資料
型號： M30102M3-XXXFP
元件分類： 微控制器/微處理器
英文描述： 16-BIT, MROM, 16 MHz, MICROCONTROLLER, PQFP48
封裝： PLASTIC, LQFP-48
文件頁數(shù)： 133/163頁
文件大小： 2767K
代理商： M30102M3-XXXFP
Under
development
Tentative Specifications REV.E1
Specifications in this manual are tentative and subject to change.
Mitsubishi microcomputers
M30100/M30102 Group
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
Timer Y
71
Timer Y
Timer Y is an 8-bit timer with an 8-bit prescaler and has two reload registers - Timer Y Primary and Timer
Y Secondary. Figure 1.14.13 shows the block diagram of Timer Y. Figures 1.14.14 to 1.14.16 show the
Timer Y-related registers.
Timer Y has the two operation modes listed as follows:
Timer mode: The timer counts an internal count source (clock source).
Programmable waveform generation mode: The timer outputs pulses of a given width successively.
Figure 1.14.13. Block diagram of Timer Y
Figure 1.14.14. Timer Y-related registers (1)
Timer Y primary
(address 008316)
Clock source
selection
f1
f8
fRING
fC32
Toggle flip-flop
Port P32 register
Timer Y programmable
waveform output
switching bit
Timer Y output
level latch
Programmable waveform
generation mode
Timer Y count
start flag
Timer Y (address 008316)
Timer Y interrupt
request bit
TYOUT
Q
T
"1"
Q
"0"
Peripheral data bus
Timer Y secondary
(address 008216)
Counter (8)
Reload register (8)
Counter (8)
Reload register (8)
Prescaler Y (address 008116)
fPY
Timer Y, Z mode register
Symbol
Address
When reset
TYZMR
008016
000000X02
Bit name
Function
Bit symbol
W
R
b7
b6 b5
b4
b3
b2
b1 b0
0 0 : Timer mode
0 1 : Programmable waveform generation mode
1 0 : Programmable one-shot generation mode
1 1 : Programmable wait one-shot generation
mode
TZMOD1
TYS
TYWC
TYMOD0
TZMOD0
Nothing is assigned.
When write, set "0". When read, the content is "0".
Timer Y operation
mode bit
Note 1: In programmable waveform generation mode, port P32 is set for output regardless of the
value of the direction register.
Note 2: When this bit is cleared to "0", the timer reloads the content of the reload register before it
stops. Read out the count value before you stop the timer.
Note 3: When timer Z operation mode bit is set for "01", "10" or "11", port P31 is set for output
regardless of the value of the direction register.
Timer Y write
control bit
Function varies depending on
the operation mode
0 : Timer mode
1 : Programmable waveform generation mode
(Note 1)
(Note 3)
TZWC
TZS
0 : Stops counting
1 : Starts counting
0 : Stops counting
1 : Starts counting
Timer Z count
start flag
Timer Z operation
mode bit
b5 b4
Timer Y count
start flag
Timer Z write
control bit
(Note 2)
Function varies depending on
the operation mode
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