MC908GR32ACFAER Freescale Semiconductor, MC908GR32ACFAER Datasheet - Page 42
![IC MCU 32K FLASH 8MHZ 48-LQFP](/photos/39/61/396123/4734654_sml.jpg)
MC908GR32ACFAER
Manufacturer Part Number
MC908GR32ACFAER
Description
IC MCU 32K FLASH 8MHZ 48-LQFP
Manufacturer
Freescale Semiconductor
Series
HC08r
Datasheet
1.MC908GR32ACFJE.pdf
(314 pages)
Specifications of MC908GR32ACFAER
Core Processor
HC08
Core Size
8-Bit
Speed
8MHz
Connectivity
SCI, SPI
Peripherals
LVD, POR, PWM
Number Of I /o
37
Program Memory Size
32KB (32K x 8)
Program Memory Type
FLASH
Ram Size
1.5K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 5.5 V
Data Converters
A/D 24x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
48-LQFP
Controller Family/series
HC08
No. Of I/o's
37
Ram Memory Size
1.5KB
Cpu Speed
8MHz
No. Of Timers
2
Embedded Interface Type
SCI, SPI
Rohs Compliant
Yes
Processor Series
HC08GR
Core
HC08
Data Bus Width
8 bit
Data Ram Size
1.5 KB
Interface Type
ESCI, SPI
Maximum Clock Frequency
8 MHz
Number Of Programmable I/os
53
Number Of Timers
8
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Development Tools By Supplier
FSICEBASE, DEMO908GZ60E, M68CBL05CE, M68EML08GPGTE
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit, 24 Channel
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / Rohs Status
Details
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
MC908GR32ACFAER
Manufacturer:
Freescale Semiconductor
Quantity:
10 000
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Programming tools are available from Freescale Semiconductor. Contact your local representative for
more information.
2.6.2 FLASH-1 Control and Block Protect Registers
The FLASH-1 array has two registers that control its operation, the FLASH-1 control register (FL1CR) and
the FLASH-1 block protect register (FL1BPR).
2.6.2.1 FLASH-1 Control Register
The FLASH-1 control register (FL1CR) controls FLASH program and erase operations.
HVEN — High-Voltage Enable Bit
MASS — Mass Erase Control Bit
ERASE — Erase Control Bit
PGM — Program Control Bit
1. No security feature is absolutely secure. However, Freescale’s strategy is to make reading or copying the FLASH difficult for
42
unauthorized users.
This read/write bit enables the charge pump to drive high voltages for program and erase operations
in the array. HVEN can only be set if either PGM = 1 or ERASE = 1 and the proper sequence for
program or erase is followed.
Setting this read/write bit configures the FLASH-1 array for mass erase operation.
This read/write bit configures the memory for erase operation. ERASE is interlocked with the PGM bit
such that both bits cannot be equal to 1 or set to 1 at the same time.
This read/write bit configures the memory for program operation. PGM is interlocked with the ERASE
bit such that both bits cannot be equal to 1 or set to 1 at the same time.
1 = High voltage enabled to array and charge pump on
0 = High voltage disabled to array and charge pump off
1 = MASS erase operation selected
0 = MASS erase operation unselected
1 = Erase operation selected
0 = Erase operation unselected
1 = Program operation selected
0 = Program operation unselected
Address:
A security feature prevents viewing of the FLASH contents.
Reset:
Read:
Write:
MC68HC908GR60A • MC68HC908GR48A • MC68HC908GR32A Data Sheet, Rev. 5
$FE08
Bit 7
0
0
Figure 2-3. FLASH-1 Control Register (FL1CR)
= Unimplemented
6
0
0
5
0
0
NOTE
4
0
0
HVEN
3
0
MASS
2
0
(1)
ERASE
1
0
Freescale Semiconductor
PGM
Bit 0
0
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