MC908AS60ACFN Freescale Semiconductor, MC908AS60ACFN Datasheet - Page 79
MC908AS60ACFN
Manufacturer Part Number
MC908AS60ACFN
Description
IC MCU 60K FLASH 8.4MHZ 52PLCC
Manufacturer
Freescale Semiconductor
Series
HC08r
Datasheet
1.MC908AZ60ACFUER.pdf
(414 pages)
Specifications of MC908AS60ACFN
Core Processor
HC08
Core Size
8-Bit
Speed
8.4MHz
Connectivity
CAN, SCI, SPI
Peripherals
LVD, POR, PWM
Number Of I /o
42
Program Memory Size
60KB (60K x 8)
Program Memory Type
FLASH
Eeprom Size
1K x 8
Ram Size
2K x 8
Voltage - Supply (vcc/vdd)
4.5 V ~ 5.5 V
Data Converters
A/D 15x8b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
52-PLCC
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
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AUTO — Automatic Termination of Program/Erase Cycle
EEPGM — EEPROM-1 Program/Erase Enable
6.5.2 EEPROM-1 Array Configuration Register
The EEPROM-1 array configuration register configures EEPROM-1 security and EEPROM-1 block
protection.
This read-only register is loaded with the contents of the EEPROM-1 nonvolatile register (EE1NVR) after
a reset.
Bit 7:5 — Unused Bits
EEPRTCT — EEPROM-1 Protection Bit
Freescale Semiconductor
When AUTO is set, EEPGM is cleared automatically after the program/erase cycle is terminated by
the internal timer.
(See note D for
Memory
This read/write bit enables the internal charge pump and applies the programming/erasing voltage to
the EEPROM-1 array if the EELAT bit is set and a write to a valid EEPROM-1 location has occurred.
Reset clears the EEPGM bit.
These read/write bits are software programmable but have no functionality.
The EEPRTCT bit is used to enable the security feature in the EEPROM (see EEPROM-1
Program/Erase Protection).
This feature is a write-once feature. Once the protection is enabled it may not be disabled.
1 = Automatic clear of EEPGM is enabled
0 = Automatic clear of EEPGM is disabled
1 = EEPROM-1 programming/erasing power switched on
0 = EEPROM-1 programming/erasing power switched off
1 = EEPROM-1 security disabled
0 = EEPROM-1 security enabled
Characteristics)
Address:
Writing logic 0s to both the EELAT and EEPGM bits with a single instruction
will clear EEPGM only to allow time for the removal of high voltage.
Reset:
Read: UNUSED
Write:
MC68HC908AZ60A • MC68HC908AS60A • MC68HC908AS60E Data Sheet, Rev. 6
6.4.5.2 EEPROM-1
Figure 6-3. EEPROM-1 Array Configuration Register (EE1ACR)
$FE1F
Bit 7
= Unimplemented
UNUSED
6
Programming,
UNUSED
5
Contents of EE1NVR ($FE1C)
EEPRTCT
NOTE
4
6.4.5.3 EEPROM-1
EEBP3
3
EEBP2
2
Erasing, and
EEPROM-1 Register Descriptions
EEBP1
1
EEBP0
28.1.13 EEPROM
Bit 0
79
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