MC68HC711K4CFN3 Freescale Semiconductor, MC68HC711K4CFN3 Datasheet - Page 249
MC68HC711K4CFN3
Manufacturer Part Number
MC68HC711K4CFN3
Description
Manufacturer
Freescale Semiconductor
Datasheet
1.MC68HC711K4CFN3.pdf
(290 pages)
Specifications of MC68HC711K4CFN3
Cpu Family
HC11
Device Core Size
8b
Frequency (max)
4MHz
Interface Type
SCI/SPI
Program Memory Type
ROM
Program Memory Size
24KB
Total Internal Ram Size
768Byte
Number Of Timers - General Purpose
8
Operating Supply Voltage (typ)
5V
Operating Supply Voltage (max)
5.5V
Operating Supply Voltage (min)
4.5V
On-chip Adc
8-chx8-bit
Instruction Set Architecture
CISC
Operating Temp Range
-40C to 85C
Operating Temperature Classification
Industrial
Mounting
Surface Mount
Pin Count
84
Package Type
PLCC
Lead Free Status / Rohs Status
Not Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
MC68HC711K4CFN3
Manufacturer:
MOLEX
Quantity:
12 000
Part Number:
MC68HC711K4CFN3
Manufacturer:
MOTOROLA/摩托罗拉
Quantity:
20 000
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11.5 Memory Expansion Examples
M68HC11K Family
MOTOROLA
Address: $005A
IOS[A:B] — CSIO Stretch Select Bits
GP1S[A:B] — CSGP1 Stretch Select Bits
GP2S[A:B] — CSGP2 Stretch Select Bits
PCS[A:B] — CSPROG Stretch Select Bits
The first example, shown in
64 Kbytes of external memory to be accessed through a single 8-Kbyte
window. To access eight Kbytes, or 2
need 13 address lines, ADDR[12:0]. The number of memory banks
needed is the total memory, 64 Kbytes divided by the window size, eight
Kbytes. This yields eight memory banks, or 2
lines are required, so expansion address lines XA[15:13] replace CPU
address lines ADDR[15:13].
schematic drawing of this system.
Reset:
Read:
Write:
Each of these pairs of bits contain the binary number of cycles of clock
stretch, as shown in
Freescale Semiconductor, Inc.
Figure 11-14. Chip Select Clock Stretch Register (CSCSTR)
For More Information On This Product,
IOSA
Memory Expansion and Chip Selects
Bit 7
0
Table 11-9. CSCSTR Bits Versus Clock Cycles
Go to: www.freescale.com
IOSB
6
0
Bit [A:B]
0 0
0 1
1 0
1 1
Table
GP1SA
5
0
Figure 11-15
Figure 1-1
11-9.
GP1SB
4
0
13
address locations, the CPU will
shows a memory map and
GP2SA
Memory Expansion and Chip Selects
contains a system with
3
0
Clock Stretch
3
2 cycles
3 cycles
. Thus, three expansion
Memory Expansion Examples
1 cycle
None
GP2SB
2
0
PCSA
1
0
Technical Data
PCSB
Bit 0
0
249
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