MC68376BAMFT20 Freescale Semiconductor, MC68376BAMFT20 Datasheet - Page 338
MC68376BAMFT20
Manufacturer Part Number
MC68376BAMFT20
Description
Manufacturer
Freescale Semiconductor
Datasheet
1.MC68376BAMFT20.pdf
(434 pages)
Specifications of MC68376BAMFT20
Cpu Family
68K/M683xx
Device Core
ColdFire
Device Core Size
32b
Frequency (max)
20MHz
Interface Type
QSPI/SCI
Program Memory Type
ROM
Program Memory Size
8KB
Total Internal Ram Size
7.5KB
# I/os (max)
18
Number Of Timers - General Purpose
2
Operating Supply Voltage (typ)
5V
Operating Supply Voltage (max)
5.25V
Operating Supply Voltage (min)
4.75V
On-chip Adc
16-chx10-bit
Instruction Set Architecture
RISC
Operating Temp Range
-40C to 125C
Operating Temperature Classification
Automotive
Mounting
Surface Mount
Pin Count
160
Package Type
PQFP
Lead Free Status / Rohs Status
Not Compliant
Available stocks
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Manufacturer
Quantity
Price
Company:
Part Number:
MC68376BAMFT20
Manufacturer:
FREESCAL
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SPACE[1:0] — Address Space Select
IPL[2:0] — Interrupt Priority Level
D-20
MOTOROLA
Use this option field to select an address space for the chip-select logic. The CPU32
normally operates in supervisor or user space, but interrupt acknowledge cycles must
take place in CPU space. Table D-17 shows address space bit encodings.
When SPACE[1:0] is set for CPU space (%00), chip-select logic can be used for inter-
rupt acknowledge. During an interrupt acknowledge cycle, the priority level on address
lines ADDR[3:1] is compared to the value in IPL[2:0]. If the values are the same, a
chip-select can be asserted, provided other option register conditions are met. Table
D-18 shows IPL[2:0] field encoding.
DSACK[3:0]
Table D-18 Interrupt Priority Level Field Encoding
0000
0001
0010
0011
0100
0101
0110
0111
1000
1001
1010
1011
1100
1101
1110
1111
Table D-17 Address Space Bit Encodings
Table D-16 DSACK Field Encoding
SPACE[1:0]
IPL[2:0]
00
01
10
11
Clock Cycles Required
000
001
010
011
100
101
110
111
REGISTER SUMMARY
Per Access
Interrupt Priority Level
10
11
12
13
14
15
16
—
3
4
5
6
7
8
9
2
Supervisor/User Space
Any Level
Supervisor Space
Address Space
CPU Space
User Space
1
2
3
4
5
6
7
Wait States Inserted
Fast Termination
External DSACK
Per Access
10
11
12
13
0
1
2
3
4
5
6
7
8
9
USER’S MANUAL
MC68336/376
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