MC68HC11E1CFNE3R Freescale Semiconductor, MC68HC11E1CFNE3R Datasheet - Page 41
MC68HC11E1CFNE3R
Manufacturer Part Number
MC68HC11E1CFNE3R
Description
MCU 8-BIT 512 RAM 3MHZ 52-PLCC
Manufacturer
Freescale Semiconductor
Series
HC11r
Datasheet
1.MC68HC11E0CFNE2R.pdf
(242 pages)
Specifications of MC68HC11E1CFNE3R
Core Processor
HC11
Core Size
8-Bit
Speed
3MHz
Connectivity
SCI, SPI
Peripherals
POR, WDT
Number Of I /o
38
Program Memory Type
ROMless
Eeprom Size
512 x 8
Ram Size
512 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
52-PLCC
Processor Series
HC11E
Core
HC11
Data Bus Width
8 bit
Data Ram Size
512 B
Interface Type
SCI, SPI
Maximum Clock Frequency
3 MHz
Number Of Programmable I/os
38
Number Of Timers
8
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Minimum Operating Temperature
- 40 C
On-chip Adc
8 bit, 8 Channel
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Program Memory Size
-
Lead Free Status / Rohs Status
Details
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A normal mode is selected when MODB is logic 1 during reset. One of three reset vectors is fetched from
address $FFFA–$FFFF, and program execution begins from the address indicated by this vector. If
MODB is logic 0 during reset, the special mode reset vector is fetched from addresses $BFFA–$BFFF,
and software has access to special test features. Refer to
RBOOT — Read Bootstrap ROM Bit
SMOD and MDA — Special Mode Select and Mode Select A Bits
Freescale Semiconductor
Valid only when SMOD is set (bootstrap or special test mode); can be written only in special modes
The initial value of SMOD is the inverse of the logic level present on the MODB pin at the rising edge
of reset. The initial value of MDA equals the logic level present on the MODA pin at the rising edge of
reset. These two bits can be read at any time. They can be written anytime in special modes. MDA can
be written only once in normal modes. SMOD cannot be set once it has been cleared.
0 = Bootloader ROM disabled and not in map
1 = Bootloader ROM enabled and in map at $BE00–$BFFF
Resets:
1. The reset values depend on the mode selected at the RESET pin rising edge.
Single chip:
Expanded:
Bootstrap:
MODB
Read:
Write:
Test:
1
1
0
0
Figure 2-9. Highest Priority I-Bit Interrupt and Miscellaneous
Input Levels
at Reset
RBOOT
Bit 7
MODB
0
0
1
0
Address:
1
1
(1)
MODA
Table 2-1. Hardware Mode Select Summary
Input
0
1
0
1
SMOD
MODA
6
0
0
1
1
$103C
M68HC11E Family Data Sheet, Rev. 5.1
0
1
(1)
Special test
MDA
Single chip
Expanded
Bootstrap
Register (HPRIO)
5
0
1
0
1
Mode
(1)
Single chip
Expanded
IRV(NE)
Mode
4
0
0
0
1
(1)
RBOOT
Chapter 5 Resets and
PSEL3
0
0
1
0
3
0
0
0
0
Control Bits in HPRIO
(Latched at Reset)
Latched at Reset
SMOD
0
0
PSEL2
SMOD
2
1
1
1
1
0
0
1
1
MDA
0
1
PSEL1
1
1
1
1
1
Interrupts.
MDA
0
1
0
1
PSEL0
Bit 0
0
0
0
0
Memory Map
41
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