參數(shù)資料
型號: MB91101APF-G-JNE1
廠商: FUJITSU LTD
元件分類: 微控制器/微處理器
英文描述: 32-BIT, 50 MHz, RISC MICROCONTROLLER, PQFP100
封裝: 14 X 20 MM, 3.35 MM HEIGHT, 0.65 MM PITCH, PLASTIC, QFP-100
文件頁數(shù): 53/100頁
文件大小: 2083K
代理商: MB91101APF-G-JNE1
MB91101 Series
56
DS07-16301-6E
12. Clock Generation Block (Low-power consumption mechanism)
The clock generation block is a module which undertakes the following functions.
CPU clock generation (including gear function)
Peripheral clock generation (including gear function)
Reset generation and cause hold
Standby function (including hardware standby)
DMA request suppressed
PLL (multiplier circuit) embedded
Block diagram
Gear control register (GCR)
[Gear control block]
PCTR register
CPU gear
Peripheral
gear
Oscillator
circuit
X0
X1
1/2
PLL
Internal clock
generation
circuit
CPU clock
Internal bus clock
External bus clock
Peripheral
DMA clock
Internal
peripheral clock
[Stop/sleep control block]
Internal
interrupt request
Internal reset
Standby control
register (STCR)
STOP state
SLEEP state
CPU hold request
Internal reset
Reset
generation
F/F
CPU hold enable
HST pin
DMA
request
Power on reset
RST pin
DMA request prohibit
register (PDRR)
[DMA prohibit circuit]
Reset cause register (RSRR)
Timebase timer
Count clock
Watchdog reset
postpone register
[Watchdog control block]
Timebase timer clear
register (CTBR)
Watchdog reset generation
postpone register (WPR)
R-
bu
s
S
election
circ
u
it
[Reset cause circuit]
Status
transition
control circuit
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