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 tm (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 020A16)
: PWM mode register 2 (address 020B16)
: Port P0 register (address 00C016)
: Port P0 direction register ( address 00C116)
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 020016)
b7
b0
8
8-bit PWM circuit
POL
P04
PW0
D04
PWM0
P05
PW1
D05
PWM1
P06
PW2
D06
PWM2
P07
PW3
D07
PWM3
P00
PW4
D00
PWM4
P01
PW5
D01
PWM5
P02
PW6
D02
PWM6
Inside of
PN0
1/2
XIN
PWM timing
generating
circuit
14-bit PWM circuit
PN2
P03
PN1
D03
MSB
DA-H register
(Address : 024016)
DA latch
(14 bits)
DA-L register (Note)
(Address : 024116)
LSB
8
6
14
6
D-A
b7
b0