參數(shù)資料
型號： IDT88P8344BHGI
廠商： INTEGRATED DEVICE TECHNOLOGY INC
元件分類： 微控制器/微處理器
英文描述： SPI EXCHANGE 4 x SPI-3 TO SPI-4 Issue 1.0
中文描述： SPECIALTY MICROPROCESSOR CIRCUIT, PBGA820
封裝： GREEN, PLASTIC, BGA-820
文件頁數(shù)： 22/98頁
文件大?。?/td> 601K
代理商： IDT88P8344BHGI
22
IDT88P8344 SPI EXCHANGE 4 x SPI-3 TO SPI-4
INDUSTRIAL TEMPERATURE RANGE
APRIL 10, 2006
3.3 Microprocessor interface
- Parallel mcroprocessor interface
8 bit data bus for parallel operation
Byte access
Direct accessed space
Indirect access space is used for most registers
Read operations to a reserved address or reserved bit fields return 0
Write operations to reserved addresses or bit fields are ignored
- Serial mcroprocessor interface
Compliance to Motorola serial processor interface (SPI) specification
Byte access
Direct accessed space
Indirect access space is used for most registers
Read operations to a reserved address or reserved bit fields return 0
Write operations to reserved addresses or bit fields are ignored
General purpose I/O
Five general purpose I/O pins are provided. The direction is independently
controlled by the DIR_OUT field in the GPIO register (Table 123 GPIO Register
(0x20)). The logical level on a pin is controlled by the LEVEL field in the GPIO
register if DIR_OUT=1, or sensed if DIR_OUT=0. The LEVEL bit monitors the
logic level of any bit selected fromthe indirect access space if MONITOR_EN
is set high. A bit in the indirect access space can be selected for monitoring by
the by the ADDRESS and BIT fields in the GPIO Link table (Table 124,
GPIO
Monitor Table (5 entries 0x21-0x25 for GPIO[0] through GPIO[4])
).
All GPIO pins must be programmed into or out of monitor mode at the same
time.
Interrupt scheme
Events are captured in interrupt status registers. Interrupt status flags are
cleared by an mcroprocessor write cycle. A logical one must be written to clear
the flag(s) targeted. A two level interrupt scheme is provided comprising a
primary level and a secondary level.
The primary level identifies the secondary interrupts sources with a pending
interrupt. This information is reflected in the primary interrupt register. Interrupt
status can be enabled by associated flags both in the primary and secondary
level of the interrupt scheme.
Figure 10. Interrupt scheme
6370 drw22
event
enable
&
|
|
INTB
interrupted status
primary interrupt level
&
captured event
interrupted status
enable
model status
secondary interrupt level
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
IDT88P8344BHI 功能描述:IC SPI3-SPI4 EXCHANGE 820-PBGA RoHS:否 類別:集成電路 (IC) >> 專用 IC 系列:* 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:1 系列:- 類型:調(diào)幀器 應(yīng)用:數(shù)據(jù)傳輸 安裝類型:表面貼裝 封裝/外殼:400-BBGA 供應(yīng)商設(shè)備封裝:400-PBGA（27x27） 包裝:散裝
IDT89H10T4BG2ZBBC 制造商:Integrated Device Technology Inc 功能描述:IC PCI SW 10LANE 4PORT 324BGA
IDT89H10T4BG2ZBBC8 制造商:Integrated Device Technology Inc 功能描述:IC PCI SW 10LANE 4PORT 324BGA
IDT89H10T4BG2ZBBCG 功能描述:IC PCI SW 10LANE 4PORT 324BGA RoHS:是 類別:集成電路 (IC) >> 專用 IC 系列:PRECISE™ 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:1 系列:- 類型:調(diào)幀器 應(yīng)用:數(shù)據(jù)傳輸 安裝類型:表面貼裝 封裝/外殼:400-BBGA 供應(yīng)商設(shè)備封裝:400-PBGA（27x27） 包裝:散裝
IDT89H10T4BG2ZBBCG8 制造商:Integrated Device Technology Inc 功能描述:IC PCI SW 10LANE 4PORT 324BGA
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