MC68HC711KS2CFN3 Freescale Semiconductor, MC68HC711KS2CFN3 Datasheet - Page 240
MC68HC711KS2CFN3
Manufacturer Part Number
MC68HC711KS2CFN3
Description
Manufacturer
Freescale Semiconductor
Datasheet
1.MC68HC711KS2CFN3.pdf
(290 pages)
Specifications of MC68HC711KS2CFN3
Cpu Family
HC11
Device Core Size
8b
Frequency (max)
4MHz
Interface Type
SCI/SPI
Program Memory Type
ROM
Program Memory Size
32KB
Total Internal Ram Size
1KB
# I/os (max)
51
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
68
Package Type
PLCC
Lead Free Status / Rohs Status
Not Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
MC68HC711KS2CFN3
Manufacturer:
NSC
Quantity:
1 001
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Memory Expansion and Chip Selects
11.4.1 Program Chip Select
Technical Data
240
Address: $005B
The program chip select signal accesses external memory in the main
program area within the MCU’s 64-Kbyte memory map. Program chip
select validity is fixed at address valid timing and polarity is fixed at active
low. The chip-select control register (CSCTL) contains bits to enable
CSPROG, determine its priority over the general-purpose chip selects,
and set its effective address range. Clock stretching can be set from zero
to three cycles.
GCSPR — General-Purpose Chip Select Priority Bit
PCSEN — Program Chip Select Enable Bit
PCSZA and PCSZB — Program Chip Select Size A Bit and Program
Reset:
Read:
Write:
These bits determine the address range of CSPROG, as shown in
Table
Freescale Semiconductor, Inc.
For More Information On This Product,
0 = Program chip select has priority over general-purpose chip
1 = General-purpose chip selects have priority over program chip
0 = CSPROG disabled and port H bit 7 available as GPIO
1 = CSPROG enabled out of reset and uses port H bit 7 pin
Figure 11-5. Chip-Select Control Register (CSCTL)
IOEN
Memory Expansion and Chip Selects
Bit 7
11-5.
selects
select
0
PCSZA
Go to: www.freescale.com
0
0
1
1
Table 11-5. Program Chip Select Size
IOPL
6
0
PCSZB
0
1
0
1
Chip Select Size B Bit
IOCSA
5
0
Size (Bytes)
IOSZ
64 K
32 K
16 K
8 K
4
0
GCSPR
3
0
Address Range
$C000–$FFFF
$E000–$FFFF
$0000–$FFFF
$8000–$FFFF
PCSEN
2
1
M68HC11K Family
PCSZA
1
0
MOTOROLA
PCSZB
Bit 0
0
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