參數(shù)資料
型號: DSP56857BUE
廠商: Freescale Semiconductor
文件頁數(shù): 8/53頁
文件大?。?/td> 0K
描述: IC DSP 16BIT 120MHZ 100-LQFP
標(biāo)準(zhǔn)包裝: 90
系列: 568xx
核心處理器: 56800E
芯體尺寸: 16-位
速度: 120MHz
連通性: SCI,SPI,SSI
外圍設(shè)備: DMA,POR,WDT
輸入/輸出數(shù): 47
程序存儲器容量: 80KB(40K x 16)
程序存儲器類型: SRAM
RAM 容量: 24K x 16
電壓 - 電源 (Vcc/Vdd): 1.62 V ~ 1.98 V
振蕩器型: 外部
工作溫度: -40°C ~ 85°C
封裝/外殼: 100-LQFP
包裝: 托盤
56857 Technical Data, Rev. 6
16
Freescale Semiconductor
52
TXD0
GPIOE1
Output(Z)
Input/Output
Serial Transmit Data 0 (TXD0)—This signal transmits data from the SCI
0 transmit data register.
Port E GPIO (1)—This pin is a General Purpose I/O (GPIO) pin that can
individually be programmed as input or output pin.
74
RXD1
GPIOE2
Input
Input/Output
Serial Receive Data 1 (RXD1)—This input receives byte-oriented serial
data and transfers it to the SCI 1 receive shift register.
Port E GPIO (2)—This pin is a General Purpose I/O (GPIO) pin that can
individually be programmed as input or output pin.
75
TXD1
GPIOE3
Output(Z)
Input/Output
Serial Transmit Data 1 (TXD1)—This signal transmits data from the SCI
1 transmit data register.
Port E GPIO (3)—This pin is a General Purpose I/O (GPIO) pin that can
individually be programmed as input or output pin.
92
STD0
GPIOC0
Output
Input/Output
ESSI Transmit Data (STD0)—This output pin transmits serial data from
the ESSI Transmitter Shift Register.
Port C GPIO (0)—This pin is a General Purpose I/O (GPIO) pin when the
ESSI is not in use.
93
SRD0
GPIOC1
Input
Input/Output
ESSI Receive Data (SRD0)—This input pin receives serial data and
transfers the data to the ESSI Receive Shift Register.
Port C GPIO (1)—This pin is a General Purpose I/O (GPIO) pin when the
ESSI is not in use.
94
SCK0
GPIOC2
Input/Output
Input/Output
ESSI Serial Clock (SCK0)—This bidirectional pin provides the serial bit
rate clock for the transmit section of the ESSI. The clock signal can be
continuous or gated and can be used by both the transmitter and receiver
in synchronous mode.
Port C GPIO (2)—This pin is a General Purpose I/O (GPIO) pin when the
ESSI is not in use.
95
SC00
GPIOC3
Input/Output
Input/Output
ESSI Serial Control Pin 0 (SC00)—The function of this pin is determined
by the selection of either synchronous or asynchronous mode. For
asynchronous mode, this pin will be used for the receive clock I/O. For
synchronous mode, this pin is used either for transmitter1 output or for
serial I/O flag 0.
Port C GPIO (3)—This pin is a General Purpose I/O (GPIO) pin when the
ESSI is not in use.
Table 3-1 56857 Signal and Package Information for the 100-pin LQFP (Continued)
Pin No.
Signal Name
Type
Description
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