MC908GZ32CFAE Freescale Semiconductor, MC908GZ32CFAE Datasheet - Page 54
![IC MCU 32K FLASH 8MHZ 48-LQFP](/photos/37/62/376278/tqfp-48_sml.jpg)
MC908GZ32CFAE
Manufacturer Part Number
MC908GZ32CFAE
Description
IC MCU 32K FLASH 8MHZ 48-LQFP
Manufacturer
Freescale Semiconductor
Series
HC08r
Datasheet
1.MC908GZ60CFJE.pdf
(352 pages)
Specifications of MC908GZ32CFAE
Core Processor
HC08
Core Size
8-Bit
Speed
8MHz
Connectivity
CAN, 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
Processor Series
HC08GZ
Core
HC08
Data Bus Width
8 bit
Data Ram Size
1.5 KB
Interface Type
CAN/ESCI/SPI
Maximum Clock Frequency
8 MHz
Number Of Programmable I/os
53
Number Of Timers
8
Operating Supply Voltage
5.5 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Development Tools By Supplier
FSICEBASE, DEMO908GZ60E, M68EML08GZE
Minimum Operating Temperature
- 40 C
On-chip Adc
24-ch x 10-bit
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
CAN, SCI, SPI
Rohs Compliant
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
MC908GZ32CFAE
Manufacturer:
Freescale Semiconductor
Quantity:
10 000
Part Number:
MC908GZ32CFAE
Manufacturer:
FREESCALE
Quantity:
20 000
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Memory
2.7.2.2 FLASH-2 Block Protect Register
The FLASH-2 block protect register (FL2BPR) is implemented as a byte within the FLASH-1 memory;
therefore, can only be written during a FLASH-1 programming sequence. The value in this register
determines the starting location of the protected range within the FLASH-2 memory.
FL2BPR[7:0] — Block Protect Register Bits 7 to 0
54
These eight bits represent bits [14:7] of a 16-bit memory address. Bit 15 is a 0 and bits [6:0] are 0s.
The resultant 16-bit address is used for specifying the start address of the FLASH-2 memory for block
protection. FLASH-2 is protected from this start address to the end of FLASH-2 memory at $7FFF.
With this mechanism, the protect start address can be $XX00 and $XX80 (128 byte page boundaries)
within the FLASH-2 array.
Address:
The FLASH-2 block protect register (FL2BPR) controls the block protection
for the FLASH-2 array. However, FL2BPR is implemented within the
FLASH-1 memory array and therefore, the FLASH-1 control register
(FL1CR) must be used to program/erase FL2BPR.
Reset:
Read:
Write:
START ADDRESS OF FLASH
MC68HC908GZ60 • MC68HC908GZ48 • MC68HC908GZ32 Data Sheet, Rev. 6
$FF81
Figure 2-8. FLASH-2 Block Protect Register (FL2BPR)
BPR7
Bit 7
BLOCK PROTECT
Figure 2-9. FLASH-2 Block Protect Start Address
FL2BPR[7:0]
$FF
$FE
$FD
$0B
$0A
Table 2-3. FLASH-2 Protected Ranges
$09
$08
$04
$03
$02
$01
$00
BPR6
↓
↓
6
0
BPR5
5
FLBPR VALUE
NOTE
16-BIT MEMORY ADDRESS
Unaffected by reset
BPR4
4
Protected Range
$7E80–$7FFF
$7F00–$7FFF
$0580–$7FFF
$0500–$7FFF
$0480–$7FFF
$0462–$7FFF
$0462–$7FFF
$0462–$7FFF
$0462–$7FFF
$0462–$7FFF
$0462–$7FFF
No Protection
BPR3
3
↓
↓
0 0 0 0 0 0 0
BPR2
2
BPR1
1
Freescale Semiconductor
BPR0
Bit 0
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