mc68331cpv20b1 Freescale Semiconductor, Inc, mc68331cpv20b1 Datasheet - Page 19
mc68331cpv20b1
Manufacturer Part Number
mc68331cpv20b1
Description
Mc68331 32 Bit Microcontroller
Manufacturer
Freescale Semiconductor, Inc
Datasheet
1.MC68331CPV20B1.pdf
(254 pages)
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2.3 Pin and Signal Mnemonics
MC68331
USER’S MANUAL
PWMA, PWMB — Pulse Width Modulator Output
DSACK[1:0] — Data and Size Acknowledge
ADDR[23:0] — Address Bus
DATA[15:0] — Data Bus
MODCLK — Clock Mode Select
CSBOOT — Boot ROM Chip Select
CLKOUT — System Clock
PGP[7:0] — GPT I/O Port
PQS[7:0] — QSM I/O Port
PCS[3:0] — Peripheral Chip Selects
FREEZE — Freeze
CS[10:0] — Chip Selects
IRQ[7:1] — Interrupt Request
IFETCH — Instruction Fetch
BGACK — Bus Grant Acknowledge
OC[5:1] — Output Compare
DSCLK — Development Serial Clock
PC[6:0] — SIM I/O Port C
FC[2:0] — Function Codes
PE[7:0] — SIM I/O Port E
PF[7:0] — SIM I/O Port F
EXTAL — External Crystal Oscillator Connection
IC[4:1] — Input Capture
QUOT — Quotient Out
BERR — Bus Error
AVEC — Autovector
BKPT — Breakpoint
PCLK — Pulse Accumulator Clock
HALT — Halt
IPIPE — Instruction Pipeline
MISO — Master In Slave Out
MOSI — Master Out Slave In
DSO — Development Serial Output
DSI — Development Serial Input
PAI — Pulse Accumulator Input
BG — Bus Grant
BR — Bus Request
DS — Data Strobe
AS — Address Strobe
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
NOMENCLATURE
2-3
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