Table of Contents
Advertisement
4.2 Signal Index
Table 4-1 Pin Requirements in 144-Pin Package
Name
Alt
ADDR[19:0]
—
DATA[15:0]
—
R/W
—
EB0
—
EB1
—
OE
—
CS0
—
CS1
GPO
CS2
GPO
CS3
GPO
CLKIN
—
CLKOUT
—
XOSC
—
EXOSC
—
MOD
—
RSTOUT
—
RSTIN
—
LVRSTIN
—
TMS
—
TDI
—
TDO
—
TCK
—
TRST
—
DE
—
TEST
—
COL[7:0]
GPIO
ROW[7:0]
GPIO
INT[7:0]
GPIO
MOTOROLA
4-2
All manuals and user guides at all-guides.com
Freescale Semiconductor, Inc.
1
Qty Dir
Pull-Up
External Bus
20
O
—
16 I/O
Keeper
1
O
—
1
O
—
1
O
—
1
O
—
Chip Selects
1
O
—
1
O
—
1
O
—
1
O
—
Clock, Reset, and Miscellaneous
1
I
—
1
O
—
1
O
—
1
I
—
1
I
—
1
O
—
1
I
—
1
I
—
Debug and Test Port Control
1
I
47-K pull-up
1
I
47-K pull-up
1
O
—
1
I
47-K pull-up
1
I
47-K pull-up
1
I/O
47-K pull-up
1
I
100-K pulldown
Keypad and Edge Port
8
I/O
—
8
I/O
47-K pull-up
8
I/O
—
SIGNAL DESCRIPTIONS
For More Information On This Product,
Go to: www.freescale.com
2
Reset
OL
Address bus
I
Data bus
H
Read/write enable
H
Enable data bus byte 0 (DATA[15:8])
H
Enable data bus byte 1 (DATA[7:0])
H
Output enable
CS0
Chip select for external Flash
GPOH Chip select for external RAM
GPOH Chip select (spare)
GPOL Chip select for external LCD
—
Programmable clock input
OL
Programmable clock output
—
32.768-kHz XTAL output
—
32.768-kHz XTAL input
—
Boot ROM control
—
Resets external components
—
Initiates system reset
—
Low voltage supply switching control
—
Test mode select
—
Test data input
—
Test data output
—
Test clock input
—
Initiates test controller reset
—
Initiates or acknowledges debug mode entry
—
Factory test mode
GPI
Column 7 – 0
GPI
Row 7 – 0
GPI
External interrupts 7 – 0
Use
MMC2001
REFERENCE MANUAL
Advertisement
Table of Contents
