參數(shù)資料
型號(hào)： DSP56857BUE
廠商： Freescale Semiconductor
文件頁(yè)數(shù)： 9/53頁(yè)
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(chǔ)器容量： 80KB（40K x 16）
程序存儲(chǔ)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
Introduction
56857 Technical Data, Rev. 6
Freescale Semiconductor
17
96
SC01
GPIOC4
Input/Output
Input/Output
ESSI Serial Control Pin 1 (SC01)—The function of this pin is determined
by the selection of either synchronous or asynchronous mode. For
asynchronous mode, this pin is the receiver frame sync I/O. For
synchronous mode, this pin is used either for transmitter2 output or for
serial I/O flag 1.
Port C GPIO (4)—This pin is a General Purpose I/O (GPIO) pin when the
ESSI is not in use.
97
SC02
GPIOC5
Input/Output
Input/Output
ESSI Serial Control Pin 2 (SC02)—This pin is used for frame sync I/O.
SC02 is the frame sync for both the transmitter and receiver in
synchronous mode and for the transmitter only in asynchronous mode.
When configured as an output, this pin is the internally generated frame
sync signal. When configured as an input, this pin receives an external
frame sync signal for the transmitter (and the receiver in synchronous
operation).
Port C GPIO (5)—This pin is a General Purpose I/O (GPIO) pin when the
ESSI is not in use.
66
STD1
GPIOD0
Output
Input/Output
ESSI Transmit Data (STD1)—This output pin transmits serial data from
the ESSI Transmitter Shift Register.
Port D GPIOD0—This pin is a General Purpose I/O (GPIO) pin when the
ESSI is not in use.
67
SRD1
GPIOD1
Input
Input/Output
ESSI Receive Data (SRD1)—This input pin receives serial data and
transfers the data to the ESSI Receive Shift Register.
Port D GPIO (1)—This pin is a General Purpose I/O (GPIO) pin when the
ESSI is not in use.
68
SCK1
GPIOD2
Input/Output
Input/Output
ESSI Serial Clock (SCK1)—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 D GPIO (2)—This pin is a General Purpose I/O (GPIO) pin when the
ESSI is not in use.
69
SC10
GPIOD3
Input/Output
Input/Output
ESSI Serial Control Pin 0 (SC10)—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 D 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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