HD64570F16 Renesas Electronics America, HD64570F16 Datasheet - Page 328
HD64570F16
Manufacturer Part Number
HD64570F16
Description
IC SCA SRL COMM ADAPTER 88QFP
Manufacturer
Renesas Electronics America
Datasheet
1.HD64570F16.pdf
(469 pages)
Specifications of HD64570F16
Applications
ISDN
Interface
Serial
Voltage - Supply
4.75 V ~ 5.25 V
Package / Case
88-QFP
Mounting Type
Surface Mount
Operating Supply Voltage (typ)
5V
Operating Supply Voltage (min)
4.5V
Operating Supply Voltage (max)
5.5V
Operating Temp Range
-20C to 75C
Operating Temperature Classification
Commercial
Mounting
Surface Mount
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Available stocks
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Price
Company:
Part Number:
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Manufacturer:
Renesas Electronics America
Quantity:
10 000
Part Number:
HD64570F16
Manufacturer:
HITACHI/日立
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HD64570F16V
Manufacturer:
INFINEON
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7.5
In system stop mode, the following events occur:
System stop mode is canceled by RESET input; TEPR is cleared simultaneously.
7.6
The timers are initialized at reset as follows:
Rev. 0, 07/98, page 312 of 453
T0IRQ to T3IRQ:
Timer up-
counter
(TCNT)
CMF
T0IRQ, T1IRQ,
T2IRQ, T3IRQ
The CMF and TME bits of the timer constant/status register (TCSR) are cleared.
TCSR and the timer expand prescale register (TEPR) retain their current contents, except the
CMF and TME bits of TCSR.
The timer up-counter (TCNT) stops and is initialized to 0000H.
No interrupt request is generated.
The timer control/status register (TCSR) and the timer expand prescale register (TEPR) are
initialized to 0000H.
The timer up-counter (TCNT) stops and is initialized to 0000H.
The timer constant register (TCONR) is initialized to FFFFH.
No interrupt request is generated.
: Internal clock
Operation in System Stop Mode
Reset Operation
TCONR:
TCSR:
TCNT:
Figure 7.4 Interrupt Timing (when the counter operating rate is BC)
CMF:
TCNT = TCONR
Timer up-counter
Timer constant register
Timer control/status register
Bit 7 of TCSR
Timer interrupt requests
1 clock
TCNT = 0000H
Read TCSR after interrupt processing
TCNT = 0001H
Read TCNT
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