参数资料
型号: M37902FCCHP
元件分类: 微控制器/微处理器
英文描述: 16-BIT, FLASH, 26 MHz, MICROCONTROLLER, PQFP100
封装: 14 X 14 MM, 0.50 MM PITCH, PLASTIC, LQFP-100
文件页数: 137/143页
文件大小: 1148K
代理商: M37902FCCHP
93
M37902FCCHP, M37902FGCHP, M37902FJCHP
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
MITSUBISHI MICROCOMPUTERS
Fig. 98 Block diagram of clock generating circuit
f2
f64
f512
f4096
Q
R
S
STP
instruction
φ
BIU
(Clock
for
BIU)
φ
CPU
(Clock
for
CPU)
CPU
wait
request
1/4
1/8
Reset
Watchdog
timer
frequency
select
bit
:bit
0
at
address
61
16
Watchdog
timer
clock
source
select
bit
at
stop
state
termination
:
bits
6,
7
at
address
61
16
External
clock
input
select
bit
:bit
1
at
address
62
16
System
clock
stop
select
bit
at
WIT
:bit
3
at
address
63
16
PLL
circuit
operation
enable
bit
:bit
1
at
address
BC
16
PLL
multiplication
ratio
select
bits
:bits
2,
3
at
address
BC
16
System
clock
select
bit
:bit
5
at
address
BC
16
Peripheral
device
’s
clock
select
bit
0,
1
:bits
6,
7
at
address
BC
16
1/8
1/2
1/16
Watchdog
timer
Wf
32
Wf
512
f16
f1
Peripheral
device
’s
clocks
0
1
Watchdog
timer
frequency
select
bit
X
IN
X
OUT
System
clock
stop
select
bi
at
WIT
1/16
Access
to
external
area
HLDA
0
1
Watchdog
timer
clock
source
select
bit
at
stop
state
termination
φ
1
Wait
mode
1
0
1
0
1/2
1
0
1
Wait
mode
System
clock
frequency
select
bit
PLL
frequency
multiplier
fPLL
V
CONT
Wait
mode
External
clock
input
select
bit
Q
R
S
STP
instruction
Interrupt
request
Q
R
S
WIT
instruction
Interrupt
request
Wait
mode
PLL
circuit
operation
enable
bit
PLL
multiplication
ratio
select
bits
fX
IN
f/n
0
fX
16
fX
32
fX
64
fX
128
fX
16
fX
32
fX
64
fX
128
Peripheral
device
’s
clock
select
bit
0
Peripheral
device
’s
clock
select
bit
1
BIU
:Bus
interface
Unit
CPU
:Central
Processing
Unit
:Signal
generated
when
the
watchdog
timer
’s
most
significant
bit
becomes
“0
”.
fsys
System
clock
frequency
select
bit
Operating
clock
for
serial
I/O,
timer
B
A-D
conversion
frequency
AD
)clock
source
Operating
clock
for
timer
A
External
clock
input
select
bit
Interrupt
request
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