参数资料
型号: M37643F8HP
元件分类: 微控制器/微处理器
英文描述: 8-BIT, FLASH, 12 MHz, MICROCONTROLLER, PQFP80
封装: 12 X 12 MM, 0.50 MM PITCH, PLASTIC, LQFP-80
文件页数: 85/123页
文件大小: 1292K
代理商: M37643F8HP
Rev.2.00
Aug 28, 2006
page 62 of 119
7643 Group
REJ03B0054-0200
Fig. 59 Clock generating circuit block diagram
WIT
instruction
Internal
clock
φ
STP instruction
Interrupt request
Interrupt disable
flag l
D
R
Q
T
PIN1
D
R
Q
T
PIN2
D
R
Q
T
PIN1
D
R
Q
T
P2+
RQ
S
DQ
T
PIN1
DQ
T
P2+
Oscillator count-down
timer 1 to 2
RQ
S
RQ
S
RQ
S
DQ
T
DQ
T
SQ
R
S
QB
R
Delay
Slow memory
wait
LPF
1/2
Frequency
synthesizer
Frequency synthesizer
enable bit
LPF
1/2
P2 peripheral
P1 peripheral
STP instruction
RESET
STP
instruction
P2LATRSTB
P1HATRSTB
P2 peripheral
P1 peripheral
P2 out
P1 out
P2LATRSTB
P1HATRSTB
P2
P1
DQ
T
PIN2
P2+
Main clock (XIN-XOUT) stop bit
OSCSTP
RESET
XCOSCSTP
XOSCSTP
XDOSCSTP
XOD
XCDOSCSTP
XCOD
Sub-clock (XCIN-XCOUT)
stop bit
Slow memory wait
select bit
Slow memory wait
mode select bit
RDY
XIN
XOUT
Main clock (XIN-XOUT)
stop bit
XOSCSTP
XCIN
Sub-clock (XCIN-XCOUT)
stop bit
XCOUT
Frequency synthesizer
input bit
fIN
USB 48 MHz
clock output
fSYN
fEXT
Internal system clock
select bit
f(XIN)
f(XCIN)
XIN drive select bit
P1+, P2+
PIN1, PIN2
P1HATRSTB
P2LATRSTB
RESET
XCOSCSTP
External clock select bit
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