MC68LC302 Datasheet, PDF (98/169 Pages) Motorola, Inc – Low Power Integrated Multiprotocol Processor Reference Manual

Signal Description
NMSI1/ ISDN I/F
RXD1/L1RXD
TXD1/L1TXD
RCLK1/L1CLK
TCLK1/L1SY0/SDS1
CD1/L1SY1
CTS1/L1GR
RTS1/L1RQ/GCIDCL
NMSI2/ PAIO
RXD2/PA0
TXD2/PA1
RCLK2/PA2
TCLK2/PA3
CTS2/PA4
RTS2/PA5
CD2/PA6
BOOT/BRG2/SDS2/PA7
PAIO/ SCP
SPRXD/PA8
SPTXD/PA9
SPCLK/PA10
MODCLKPA12
TIMER/PBIO
TIN1/PB3
TIN2/PB5
TOUT2/PB6
WDOG/PB7
PB8
PB9
PB10
PB11
FC2-0
FRZ
IAC
LC302
Signals
Address Bus
A1-A19
Chip Select
CS0/IOUT2
CS3-CS1
Data Bus/Port N
D0-D7
D15-D8/PN15-8
Bus Control
AS
WEH/A0 (UDS/A0)
WEL/WE (LDS/DS)
DTACK
OE
(R/W)
System Control
RESET
HALT
BUSW
DISCPU
Interrupt Control
IPL0/IRQ1 (BR)
IPL1/IRQ6 (BGACK)
IPL2/IRQ7 (BG)
Clock
CLKO
EXTAL
XTAL
XFC
Pins available in PGA Package
AVEC
Note: Pins in parenthesis () are available in slave mode only.
Figure 5-1. LC 302 Functional Signal Groups
MOTOROLA
MC68LC302 REFERENCE MANUAL
5-3