MC68HC11E1CFNE3 Freescale Semiconductor, MC68HC11E1CFNE3 Datasheet - Page 49

IC MCU 8BIT 3MHZ 52-PLCC

MC68HC11E1CFNE3

Manufacturer Part Number
MC68HC11E1CFNE3
Description
IC MCU 8BIT 3MHZ 52-PLCC
Manufacturer
Freescale Semiconductor
Series
HC11r
Datasheets

Specifications of MC68HC11E1CFNE3

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
Controller Family/series
68HC11
No. Of I/o's
38
Eeprom Memory Size
512Byte
Ram Memory Size
512Byte
Cpu Speed
3MHz
No. Of Timers
1
Embedded Interface Type
SCI, SPI
Rohs Compliant
Yes
Processor Series
HC11E
Core
HC11
Data Bus Width
8 bit
Program Memory Size
512 B
Data Ram Size
512 B
Interface Type
SCI, SPI
Maximum Clock Frequency
3 MHz
Number Of Programmable I/os
22
Number Of Timers
8
Operating Supply Voltage
3 V to 5 V
Maximum Operating Temperature
+ 70 C
Mounting Style
SMD/SMT
Minimum Operating Temperature
0 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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2.4.3 EPROM and EEPROM Programming Control Register
The EPROM and EEPROM programming control register (PPROG) enables the EPROM programming
voltage and controls the latching of data to be programmed.
ODD — Program Odd Rows in Half of EEPROM (Test) Bit
EVEN — Program Even Rows in Half of EEPROM (Test) Bit
ELAT — EPROM/OTPROM Latch Control Bit
BYTE — Byte/Other EEPROM Erase Mode Bit
ROW — Row/All EEPROM Erase Mode Bit
ERASE — Erase Mode Select Bit
EELAT — EEPROM Latch Control Bit
EPGM —EPROM/OTPROM/EEPROM Programming Voltage Enable Bit
Freescale Semiconductor
Refer to
Refer to
When ELAT = 1, writes to EPROM cause address and data to be latched and the EPROM/OTPROM
cannot be read. ELAT can be read any time. ELAT can be written any time except when EPGM = 1;
then the write to ELAT is disabled.
For the MC68HC711E9:
Refer to
Refer to
Refer to
Refer to
EPGM can be read any time and can be written only when ELAT = 1 (for EPROM/OTPROM
programming) or when EELAT = 1 (for EEPROM programming).
0 = EPROM address and data bus configured for normal reads
1 = EPROM address and data bus configured for programming
0 = Programming voltage to EPROM/OTPROM/EEPROM array disconnected
1 = Programming voltage to EPROM/OTPROM/EEPROM array connected
For MC68HC711E9, PPROG is also the EEPROM programming control register.
For the MC68HC711E20, EPROM programming is controlled by the EPROG register and
EEPROM programming is controlled by the PPROG register.
a. EPGM enables the high voltage necessary for both EEPROM and EPROM/OTPROM
b. ELAT and EELAT are mutually exclusive and cannot both equal 1.
2.5
2.5
2.5
2.5
2.5
2.5
1. MC68HC711E9 only
programming.
Address: $103B
EEPROM.
EEPROM.
EEPROM.
EEPROM.
EEPROM.
EEPROM.
Reset:
Read:
Write:
ODD
Bit 7
0
Figure 2-14. EPROM and EEPROM Programming
EVEN
6
0
M68HC11E Family Data Sheet, Rev. 5.1
Control Register (PPROG)
ELAT
5
0
(1)
BYTE
4
0
ROW
3
0
ERASE
2
0
EELAT
1
0
EPGM
Bit 0
0
EPROM/OTPROM
49

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