參數(shù)資料
型號: MCIMX253CJM4
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: 32-BIT, 400 MHz, MICROPROCESSOR, PBGA400
封裝: 17 X 17 MM, 0.80 MM PITCH, ROHS COMPLIANT, PLASTIC, MAPBGA-400
文件頁數(shù): 21/154頁
文件大?。?/td> 1498K
代理商: MCIMX253CJM4
i.MX25 Applications Processor for Consumer and Industrial Products, Rev. 8
Freescale Semiconductor
117
3.7.19.2.4
UART IrDA Mode Receive Timing
Figure 88 shows the UART receive timing for IrDA mode, for a format of 8 data bits and 1 stop bit.
Table 89 describes the timing parameters (UA5–UA6) shown in the figure.
Figure 88. UART IrDA Mode Receive Timing Diagram
3.7.20
USBOTG Timing
This section describes timing for the USB OTG port and host ports. Both serial and parallel interfaces are
described.
3.7.20.1
USB Serial Interface Timing
The USB serial transceiver is configurable to four modes supporting four different serial interfaces:
DAT_SE0 bidirectional, 3-wire mode
DAT_SE0 unidirectional, 6-wire mode
VP_VM bidirectional, 4-wire mode
VP_VM unidirectional, 6-wire mode
The following subsections describe the timings for these four modes.
Table 88. UART IrDA Mode Transmit Timing Parameters
ID
Parameter
Symbol
Min.
Max.
Units
UA3
Transmit bit time in IrDA mode
tTIRbit
1/Fbaud_rate
1 – T
ref_clk
2
1 F
baud_rate: Baud rate frequency. The maximum baud rate the UART can support is (ipg_perclk frequency)/16.
2 T
ref_clk: The period of UART reference clock ref_clk (ipg_perclk after RFDIV divider).
1/Fbaud_rate + Tref_clk
UA4
Transmit IR pulse duration
tTIRpulse
(3/16)
× (1/F
baud_rate) – Tref_clk (3/16) × (1/Fbaud_rate) + Tref_clk
Table 89. UART IrDA Mode Receive Timing Parameters
ID
Parameter
Symbol
Min.
Max.
Units
UA5
Receive bit time1 in IrDA mode
1 Note: The UART receiver can tolerate 1/(16
× F
baud_rate) tolerance in each bit. But accumulation tolerance in one frame must
not exceed 3/(16
× F
baud_rate).
tRIRbit
1/Fbaud_rate
2 – 1/(16
× F
baud_rate)
2 F
baud_rate: Baud rate frequency. The maximum baud rate the UART can support is (ipg_perclk frequency)/16.
1/Fbaud_rate + 1/(16 × Fbaud_rate)—
UA6
Receive IR pulse duration
tRIRpulse
1.41 us
(5/16)
× (1/F
baud_rate)—
Bit 1
Bit 2
Bit 0
Bit 4
Bit 5
Bit 6
Bit 7
RXD
(input)
Bit 3
Start
Bit
STOP
BIT
Possible
Parity
Bit
UA5
UA6
相關(guān)PDF資料
PDF描述
MCIMX253DJM4A 32-BIT, 400 MHz, MICROPROCESSOR, PBGA400
MCIMX257CJN4A 32-BIT, 400 MHz, MICROPROCESSOR, PBGA347
MCIMX253CJM4A 32-BIT, 400 MHz, MICROPROCESSOR, PBGA400
MCIMX258CVM4 32-BIT, 400 MHz, MICROPROCESSOR, PBGA400
MD80C154-36/883D 8-BIT, 36 MHz, MICROCONTROLLER, CDIP40
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MCIMX253CJM4A 功能描述:處理器 - 專門應(yīng)用 IMX25 1.2 INDUST RoHS:否 制造商:Freescale Semiconductor 類型:Multimedia Applications 核心:ARM Cortex A9 處理器系列:i.MX6 數(shù)據(jù)總線寬度:32 bit 最大時(shí)鐘頻率:1 GHz 指令/數(shù)據(jù)緩存: 數(shù)據(jù) RAM 大小:128 KB 數(shù)據(jù) ROM 大小: 工作電源電壓: 最大工作溫度:+ 95 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MAPBGA-432
MCIMX253CVM4 功能描述:處理器 - 專門應(yīng)用 SENNA IMX25 1.1 INDUSTRIAL RoHS:否 制造商:Freescale Semiconductor 類型:Multimedia Applications 核心:ARM Cortex A9 處理器系列:i.MX6 數(shù)據(jù)總線寬度:32 bit 最大時(shí)鐘頻率:1 GHz 指令/數(shù)據(jù)緩存: 數(shù)據(jù) RAM 大小:128 KB 數(shù)據(jù) ROM 大小: 工作電源電壓: 最大工作溫度:+ 95 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MAPBGA-432
MCIMX253DJM4 功能描述:處理器 - 專門應(yīng)用 SENNA IMX25 COMM RoHS:否 制造商:Freescale Semiconductor 類型:Multimedia Applications 核心:ARM Cortex A9 處理器系列:i.MX6 數(shù)據(jù)總線寬度:32 bit 最大時(shí)鐘頻率:1 GHz 指令/數(shù)據(jù)緩存: 數(shù)據(jù) RAM 大小:128 KB 數(shù)據(jù) ROM 大小: 工作電源電壓: 最大工作溫度:+ 95 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MAPBGA-432
MCIMX253DJM4A 功能描述:處理器 - 專門應(yīng)用 IMX25 1.2 COMM RoHS:否 制造商:Freescale Semiconductor 類型:Multimedia Applications 核心:ARM Cortex A9 處理器系列:i.MX6 數(shù)據(jù)總線寬度:32 bit 最大時(shí)鐘頻率:1 GHz 指令/數(shù)據(jù)緩存: 數(shù)據(jù) RAM 大小:128 KB 數(shù)據(jù) ROM 大小: 工作電源電壓: 最大工作溫度:+ 95 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MAPBGA-432
MCIMX253DVM4 功能描述:IC MPU I.MX25 COMM 400MAPBGA RoHS:是 類別:集成電路 (IC) >> 嵌入式 - 微控制器, 系列:i.MX25 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:260 系列:73S12xx 核心處理器:80515 芯體尺寸:8-位 速度:24MHz 連通性:I²C,智能卡,UART/USART,USB 外圍設(shè)備:LED,POR,WDT 輸入/輸出數(shù):9 程序存儲器容量:64KB(64K x 8) 程序存儲器類型:閃存 EEPROM 大小:- RAM 容量:2K x 8 電壓 - 電源 (Vcc/Vdd):2.7 V ~ 5.5 V 數(shù)據(jù)轉(zhuǎn)換器:- 振蕩器型:內(nèi)部 工作溫度:-40°C ~ 85°C 封裝/外殼:68-VFQFN 裸露焊盤 包裝:管件