dsp56854 Freescale Semiconductor, Inc, dsp56854 Datasheet - Page 9

• Manufacturer Part Number: dsp56854
• Description: 16-bit Digital Signal Controllers
• Manufacturer: Freescale Semiconductor, Inc

1. Specifically for PLL, OSC, and POR.
2. Alternate pin functions are shown in parentheses.
Freescale Semiconductor
Interrupt /
Interface
Interface
Program
External
Module
Control
Power
Analog
Power
Power
Select
Timer
Logic
Chip
Host
Host
Bus
I/O
1
HA0 - HA2 (GPIOB8 - B10)
TIO0 - TIO3 (GPIOG0 - G3)
HREQ (HTRQ) (GPIOB14)
HACK (HRRQ) (GPIOB15)
HD0 - HD7 (GPIOB0 - B7)
Figure 2-1 56854 Signals Identified by Functional Group
HRWB (HRD) (GPIOB11)
CS0 - CS3 (GPIOA0 - A3)
HDS (HWR) (GPIOB12)
MODA, MODB, MODC
HCS (GPIOB13)
(GPIOH0 - H2)
D0 - D15
A0 - A20
RESET
RSTO
V
V
IRQA
IRQB
V
V
DDIO
SSIO
V
V
DDA
WR
SSA
RD
DD
SS
56854 Technical Data, Rev. 6
1
6
6
1
1
21
16
1
1
4
1
1
1
4
1
1
1
1
1
11
10
8
3
3
56854
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
TXDO (GPIOE1)
RXD1 (GPIOE2)
TXD1 (GPIOE3)
SRD0 (GPIOC1)
SC00 (GPIOC3)
SC01 (GPIOC4)
SC02 (GPIOC5)
CLKO
RXDO (GPIOE0)
STD0 (GPIOC0)
SCK0 (GPIOC2)
MISO (GPIOF0)
MOSI (GPIOF1)
SCK (GPIOF2)
SS (GPIOF3)
XTAL
EXTAL
TCK
TDO
TRST
DE
TDI
TMS
2
SCI 0
SCI 2
ESSI 0
SPI
PLL /
Clock
JTAG /
Enhanced
OnCE
Introduction
9