參數(shù)資料
型號: M37274MA
廠商: Mitsubishi Electric Corporation
英文描述: Single Chip 8 Bits Microcomputer(8位單片機)
中文描述: 單芯片8位單片機(8位單片機)
文件頁數(shù): 26/131頁
文件大?。?/td> 2049K
代理商: M37274MA
26
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER
and ON-SCREEN DISPLAY CONTROLLER
M37274MA-XXXSP
PRELIMINARY
Notice: This is not a final specification.
Some paramentic limits are subject to change.
MITSUBISHI MICROCOMPUTERS
LSB
Table 2. Relation Between Low-order 6-bit Data and High-level
Area Increase Interval
Area Longer by
τ
Than That of Other t
m
(m = 0 to 63)
Nothing
m = 32
m = 16, 48
m = 8, 24, 40, 56
m = 4, 12, 20, 28, 36, 44, 52, 60
m =
2, 6, 10, 14, 18, 22, 26, 30, 34, 38, 42, 46, 50, 54, 58, 62
m = 1, 3, 5, 7, ................................. 57, 59, 61, 63
Low-order 6 bits of Data
0 0 0 0 0 0
0 0 0 0 0 1
0 0 0 0 1 0
0 0 0 1 0 0
0 0 1 0 0 0
0 1 0 0 0 0
1 0 0 0 0 0
Fig. 17. PWM Block Diagram
PN
PW
P0
D0
: PWM mode register 1
(
address 020A
16
)
: PWM mode register 2
(
address 020B
16
)
: Port P0 register
(
address 00C0
16
)
: Port P0 direction register
(
address 00C1
16
)
Selection gate
:
Connected to
black
side at
reset.
is as same contents with the others.
PWM1 register (Address 0201
16
)
PWM2 register (Address 0202
16
)
PWM3 register (Address 0203
16
)
PWM4 register (Address 0204
16
)
PWM5 register (Address 0205
16
)
PWM6 register (Address 0206
16
)
Data bus
PWM0 register
(Address 0200
16
)
b7
b0
8
8-bit PWM circuit
POL
P0
4
PW0
P0
5
D0
4
PWM0
PW1
D0
5
PWM1
P0
6
PW2
D0
6
PWM2
P0
7
PW3
D0
7
PWM3
P0
0
PW4
D0
0
PWM4
P0
1
PW5
D0
1
PWM5
P0
2
PW6
D0
2
PWM6
Inside of
PN0
1/2
XIN
PWM timing
generating
circuit
14-bit PWM circuit
PN2
P0
3
PN1
D0
3
MSB
DA-H register
(Address : 0240
16
)
b7
DA latch
(14 bits)
DA-L register (Note)
(Address : 0241
16
)
LSB
8
6
14
6
D-A
b0
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