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参数资料
| 型号： | T90FJR-5VTX |
| 厂商： | ATMEL CORP |
| 元件分类： | 消费家电 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP128 |
| 封装： | GREEN, PLASTIC, VQFP-128 |
| 文件页数： | 6/42页 |
| 文件大小： | 358K |
| 代理商： | T90FJR-5VTX |
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14
4152B–ASSP–09/05
A/T90FJR
as a static RAM or an UART for example with programmable access time provided by the
CIMaX.
The CIMaX also provides an interrupt input. This input is rerouted to the INT output connected
to the host microprocessor through the interrupt manager of the CIMaX. EXTINT pin is pro-
grammable to be either active-high or active-low with the EXTLVL bit in the Interrupt Config
Register and is maskable with the EXTM bit in the Interrupt Mask Register. The EXTINT input
status can be monitored by reading the EXT bit in the Interrupt Status Register. This feature can
be used to insert the CIMaX in an existing environment by using an interrupt input of the host
microprocessor already used by a peripheral for the CIMaX interrupt and connecting this
peripheral’s interrupt to the CIMaX.
Using EXTCS and EXTINT enables to insert the CIMaX in an existing design where all the
chip selects and interrupts are already affected as it virtually does not use any chip select nor
interrupt.
6.
TS Daisy Chain
In the DVB Common Interface, each module has an MPEG input port constituted by MPEG
clock, MPEG packet start, MPEG valid data and MPEG data bus and an MPEG output port com-
posed of the same signals. The MPEG transport stream transits through the modules on a daisy
chain basis.
Existing connections before CIMaX
insertion
Microprocessor
Peripheral
CIMaX
CS
INT
EXTCS EXTINT
Existing connections before CIMaX
insertion
Microprocessor
Peripheral
CIMaX
CS
INT
EXTCS EXTINT
TS in
TS out
TS in
TS out
TS in
TS out
Module
#1
Module
#2
Module
#n
TS in
TS out
TS in
TS out
TS in
TS out
Module
#1
Module
#2
Module
#n
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