参数资料
型号: DSP56855BUE
厂商: Freescale Semiconductor
文件页数: 7/52页
文件大小: 0K
描述: IC DSP 16BIT 120MHZ 100-LQFP
标准包装: 90
系列: 568xx
核心处理器: 56800E
芯体尺寸: 16-位
速度: 120MHz
连通性: EBI/EMI,SCI,SSI
外围设备: DMA,POR,WDT
输入/输出数: 18
程序存储器容量: 48KB(24K x 16)
程序存储器类型: SRAM
RAM 容量: 24K x 16
电压 - 电源 (Vcc/Vdd): 1.62 V ~ 1.98 V
振荡器型: 外部
工作温度: -40°C ~ 85°C
封装/外壳: 100-LQFP
包装: 托盘
Introduction
56855 Technical Data, Rev. 6
Freescale Semiconductor
15
51
RXD0
GPIOE0
Input
Input/Output
Serial Receive Data 0 (RXD0)—This input receives byte-oriented serial
data and transfers it to the SCI 0 receive shift register.
Port E GPIO (0)—This pin is a General Purpose I/O (GPIO) pin that can
individually be programmed as input or output pin.
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.
88
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.
89
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.
90
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.
Table 3-1. 56855 Signal and Package Information for the 100-pin LQFP (Continued)
Pin No.
Signal Name
Type
Description
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