MC68HC711K4CFN4 Freescale Semiconductor, MC68HC711K4CFN4 Datasheet - Page 233

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MC68HC711K4CFN4

Manufacturer Part Number
MC68HC711K4CFN4
Description
IC MCU 24K OTP 4MHZ 84-PLCC
Manufacturer
Freescale Semiconductor
Series
HC11r
Datasheets

Specifications of MC68HC711K4CFN4

Core Processor
HC11
Core Size
8-Bit
Speed
4MHz
Connectivity
SCI, SPI
Peripherals
POR, PWM, WDT
Number Of I /o
62
Program Memory Size
24KB (24K x 8)
Program Memory Type
OTP
Eeprom Size
640 x 8
Ram Size
768 x 8
Voltage - Supply (vcc/vdd)
4.5 V ~ 5.5 V
Data Converters
A/D 8x8b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
84-PLCC
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant

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M68HC11K Family
MOTOROLA
The base address for each window must be an integer multiple of the
window size, with one exception. When the window size is 32 Kbytes,
the base address can be at $4000 as well as the 32-Kbyte multiples
$0000 and $8000.
This special case requires a modification in address line deployment.
Normally, when the bank size is 32 Kbytes and the bank address is
$0000 or $8000, CPU address lines ADDR[14:0] select individual bytes
within the 32-Kbyte space and the ADDR[14:0] pins are connected to
address lines A[14:0] of the memory device. When the base address is
$4000, the CPU address signal ADDR14 must be inverted to allow
32 Kbytes of contiguous memory. To do this, the CPU drives the
inverted ADDR14 signal onto the XA14 pin when the window is active,
and the non-inverted CPU ADDR14 signal onto the XA14 pin when the
window is not active. Therefore, address 14 of the memory device must
be connected to expansion line XA14 rather than normal address line
ADDR14.
If the two memory windows overlap, window 1 has priority, and only the
portion of window 2 that does not overlap window 1 remains active. If a
of Banks
Freescale Semiconductor, Inc.
Number
Table 11-1. CPU Address and Address Expansion Signals
For More Information On This Product,
16
32
64
2
4
8
Memory Expansion and Chip Selects
Go to: www.freescale.com
ADDR[12:0]
ADDR[12:0]
ADDR[12:0]
ADDR[12:0]
ADDR[12:0]
ADDR[12:0]
XA[14:13]
XA[15:13]
XA[16:13]
XA[17:13]
XA[18:13]
8 Kbytes
XA13
ADDR[13:0]
ADDR[13:0]
ADDR[13:0]
ADDR[13:0]
ADDR[13:0]
16 Kbytes
XA[15:14]
XA[16:14]
XA[17:14]
XA[18:14]
XA14
Window Size
Memory Expansion and Chip Selects
ADDR[14:0]
ADDR[14:0]
ADDR[14:0]
ADDR[14:0]
32 Kbytes
XA[16:15]
XA[17:15]
XA[18:15]
XA15
(Window Based
Memory Expansion
ADDR[13:0]
ADDR[13:0]
ADDR[13:0]
ADDR[13:0]
32 Kbytes
XA[15:14]
XA[16:14]
XA[17:14]
XA[18:14]
at $4000)
Technical Data
233

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