MC68CK331CAG16 Datasheet, PDF (11/84 Pages) Freescale Semiconductor, Inc – 32-Bit Modular Microcontroller

Freescale Semiconductor, Inc.
Table 5 MCU Signal Characteristics (Continued)
Signal Name
DSACK[1:0]
DSCLK
DSI
DSO
EXTAL
FC[2:0]
FREEZE
HALT
IC[4:1]
IFETCH
IPIPE
IRQ[7:1]
MISO
MODCLK
MOSI
OC[5:1]
PAI
PC[6:0]
PCS[3:0]
PE[7:0]
PF[7:0]
PQS[7:0]
PCLK
PWMA, PWMB
QUOT
RESET
RMC
R/W
RXD
SCK
SIZ[1:0]
SS
TSC
TXD
XFC
XTAL
MCU Module
SIM
CPU32
CPU32
CPU32
SIM
SIM
SIM
SIM
GPT
CPU32
CPU32
SIM
QSM
SIM
QSM
GPT
GPT
SIM
QSM
SIM
SIM
QSM
GPT
GPT
SIM
SIM
SIM
SIM
QSM
QSM
SIM
QSM
SIM
QSM
SIM
SIM
Signal Type
Input
Input
Input
Output
Input
Output
Output
Input/Output
Input
Output
Output
Input
Input/Output
Input
Input/Output
Output
Input
Output
Input/Output
Input/Output
Input/Output
Input/Output
Input
Output
Output
Input/Output
Output
Output
Input
Input/Output
Output
Input
Input
Output
Input
Output
Active State
0
Serial Clock
(Serial Data)
(Serial Data)
—
—
1
0
—
—
—
0
—
—
—
—
—
(Port)
—
(Port)
(Port)
(Port)
—
—
—
0
0
1/0
—
—
—
0
—
—
—
—
2.5 Signal Function
Signal Name
Address Bus
Address Strobe
Autovector
Bus Error
Bus Grant
Bus Grant Acknowledge
Breakpoint
Bus Request
System Clockout
Chip Selects
Table 6 MCU Signal Function
Mnemonic
ADDR[23:0]
AS
AVEC
BERR
BG
BGACK
BKPT
BR
CLKOUT
CS[10:0]
Function
24-bit address bus
Indicates that a valid address is on the address bus
Requests an automatic vector during interrupt acknowledge
Indicates that a bus error has occurred
Indicates that the MCU has relinquished the bus
Indicates that an external device has assumed bus mastership
Signals a hardware breakpoint to the CPU
Indicates that an external device requires bus mastership
System clock output
Select external devices at programmed addresses
MC68331TS/D
For More Information On This Product,
11
Go to: www.freescale.com