参数资料
型号: ADSP-BF544MBBCZ-5M
厂商: Analog Devices Inc
文件页数: 74/100页
文件大小: 0K
描述: IC DSP 16BIT 533MHZ MDDR 400CBGA
标准包装: 1
系列: Blackfin®
类型: 定点
接口: CAN,SPI,SSP,TWI,UART
时钟速率: 533MHz
非易失内存: 外部
芯片上RAM: 196kB
电压 - 输入/输出: 2.50V,3.30V
电压 - 核心: 1.25V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 400-LFBGA,CSPBGA
供应商设备封装: 400-CSPBGA(17x17)
包装: 托盘
配用: ADZS-BF548-EZLITE-ND - KIT EZLITE ADZS-BF548
ADSP-BF542/ADSP-BF544/ADSP-BF547/ADSP-BF548/ADSP-BF549
Rev. C
|
Page 75 of 100
|
February 2010
Register and PIO
Table 58 and Figure 47 describe the ATAPI register and the PIO
data transfer timing.
Figure 47 displays the REG and PIO data transfer timing. Note
that ATAPI_ADDR pins include A1-3, ATAPI_CS0, and
ATAPI_CS1. Alternate ATAPI port ATAPI _ADDR pins
include ATAPI_A0A, ATAPI_A1A, ATAPI_A2A, ATAPI_CS0,
and ATAPI_CS1. Note that an alternate ATAPI_D0-15 port bus
is ATAPI_D0-15A
Table 58. ATAPI Register and PIO Data Transfer Timing
ATAPI Parameter/Description
ATAPI_REG/PIO_TIM_x Timing Register
Setting
1
Timing Equation
t0
Cycle time
T2_PIO, TEOC_PIO
(T2_PIO + TEOC_PIO)
× t
SCLK
t1
ATAPI_ADDR valid to
ATAPI_DIOR/ATAPI_DIOW setup
T1
× t
SCLK – (tSK1 + tSK2 + tSK4)
t2
ATAPI_DIOR/ATAPI_DIOW pulse width
T2_PIO
× t
SCLK
t2i
ATAPI_DIOR/ATAPI_DIOW recovery time
TEOC_PIO
× t
SCLK
t3
ATAPI_DIOW data setup
T2_PIO
× t
SCLK – (tSK1 + tSK2 + tSK4)
t4
ATAPI_DIOW data hold
T4
× t
SCLK – (tSK1 + tSK2 + tSK4)
t5
ATAPI_DIOR data setup
N/A
tOD + tSUD + 2 × tBD + tCDD + tCDC
t6
ATAPI_DIOR data hold
N/A
0
t9
ATAPI_DIOR/ATAPI_DIOW to ATAPI_ADDR
valid hold
TEOC_PIO
× t
SCLK – (tSK1 + tSK2 + tSK4)
tA
ATAPI_IORDY setup time
T2_PIO
× t
SCLK – (tOD + tSUI + 2 × tCDC + 2 × tBD)
1 ATAPI timing register setting should be programmed with a value that guarantees parameter compliance with the ATA ANSI specification for the ATA device mode of
operation.
Figure 47. REG and PIO Data Transfer Timing1
1 This material is adapted from ATAPI-6 (INCITS 361-2002[R2007] and is used with permission of the American National Standards Institute (ANSI) on behalf of the
Information Technology Industry Council (“ITIC”). Copies of ATAPI-6 (INCITS 361-2002[R2007] can be purchased from ANSI.
ATAPI
ADDR
t0
t2
t9
t3
t4
t5
tA
t6
t2i
t1
ATAPI_DIOR/
ATAPI_DIOW
ATAPI_D0–15
ATAPI_IORDY
ATAPI_D0–15
(WRITE)
(READ)
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