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DSP56855 データシートの表示(PDF) - Freescale Semiconductor
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DSP56855
16-bit Digital Signal Controllers
Freescale Semiconductor
DSP56855 Datasheet PDF : 52 Pages
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Logic
Power
I/O
Power
Analog
Power
1
External
Bus
Chip
Select
V
DD
V
SS
V
DDIO
V
SSIO
V
DDA
V
SSA
A0 - A20
D0 - D15
RD
WR
1
4
1
4
1
1
10
10
1
1
1
1
1
1
1
56855
1
21
16
1
1
RXDO (GPIOE0)
TXDO (GPIOE1)
RXD1 (GPIOE2)
TXD1 (GPIOE3)
STD0 (GPIOC0)
SRD0 (GPIOC1)
SCK0 (GPIOC2)
SC00 (GPIOC3)
SC01 (GPIOC4)
SC02 (GPIOC5)
CS0 - CS3 (GPIOA0 - A3)
4
Introduction
SCI 0
SCI 2
ESSI 0
Timer
Module
TIO0 (GPIOG0)
1
XTAL
1
EXTAL
1
CLKO
1
Interrupt/
Program
Control
IRQA
1
IRQB
1
MODA, MODB, MODC
(GPIOH0 - H2)
3
RESET
1
RSTO
1
1
TCK
1
TDI
TDO
1
1
TMS
1
TRST
DE
1
Figure 2-1 56855 Signals Identified by Functional Group
2
1. Specifically for PLL, OSC, and POR.
2. Alternate pin functions are shown in parentheses.
Freescale Semiconductor
56855 Technical Data, Rev. 6
PLL/Clock
JTAG /
Enhanced
OnCE
9
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