參數(shù)資料
型號: KMC8112TMP2400V
廠商: Freescale Semiconductor
文件頁數(shù): 13/44頁
文件大?。?/td> 0K
描述: IC DSP 300MHZ 431FCPBGA
標準包裝: 2
系列: StarCore
類型: SC140 內(nèi)核
接口: 以太網(wǎng),I²C,TDM,UART
時鐘速率: 300MHz
非易失內(nèi)存: 外部
芯片上RAM: 448kB
電壓 - 輸入/輸出: 3.30V
電壓 - 核心: 1.10V
工作溫度: -40°C ~ 105°C
安裝類型: 表面貼裝
封裝/外殼: 431-BFBGA,F(xiàn)CBGA
供應(yīng)商設(shè)備封裝: 431-FCPBGA(20x20)
包裝: 托盤
MSC8112 Dual Core Digital Signal Processor Data Sheet, Rev. 1
Electrical Characteristics
Freescale Semiconductor
20
2.5.4.2
Reset Configuration
The MSC8112 has two mechanisms for writing the reset configuration:
Through the direct slave interface (DSI)
Through the system bus. When the reset configuration is written through the system bus, the MSC8112 acts as a
configuration master or a configuration slave. If configuration slave is selected, but no special configuration word is
written, a default configuration word is applied.
Fourteen signal levels (see Chapter 1 for signal description details) are sampled on PORESET deassertion to define the Reset
Configuration Mode and boot and operating conditions:
RSTCONF
CNFGS
DSISYNC
DSI64
CHIP_ID[0–3]
BM[0–2]
SWTE
MODCK[1–2]
2.5.4.3
Reset Timing Tables
Table 12 and Figure 9 describe the reset timing for a reset configuration write through the direct slave interface (DSI) or
through the system bus.
Table 12. Timing for a Reset Configuration Write through the DSI or System Bus
No.
Characteristics
Expression
Min
Max
Unit
1
Required external PORESET duration minimum
CLKIN = 20 MHz
CLKIN = 100 MHz (300 MHz core)
16/CLKIN
800
160
ns
2
Delay from deassertion of external PORESET to deassertion of internal
PORESET
CLKIN = 20 MHz to 100 MHz
1024/CLKIN
6.17
51.2
s
3
Delay from de-assertion of internal PORESET to SPLL lock
CLKIN = 20 MHz (RDF = 1)
CLKIN = 100 MHz (RDF = 1) (300 MHz core)
6400/(CLKIN/RDF)
(PLL reference
clock-division factor)
320
64
320
64
s
5
Delay from SPLL to HRESET deassertion
REFCLK = 40 MHz to 133 MHz
512/REFCLK
3.08
12.8
s
6
Delay from SPLL lock to SRESET deassertion
REFCLK = 40 MHz to 133 MHz
515/REFCLK
3.10
12.88
s
7
Setup time from assertion of
RSTCONF, CNFGS, DSISYNC, DSI64,
CHIP_ID[0–3], BM[0–2], SWTE, and MODCK[1–2] before deassertion of
PORESET
3—
ns
8
Hold time from deassertion of PORESET to deassertion of
RSTCONF,
CNFGS, DSISYNC, DSI64, CHIP_ID[0–3], BM[0–2], SWTE, and
MODCK[1–2]
5—
ns
Note:
Timings are not tested, but are guaranteed by design.
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