MC68HC912B32VFU8 Freescale Semiconductor, MC68HC912B32VFU8 Datasheet - Page 94
MC68HC912B32VFU8
Manufacturer Part Number
MC68HC912B32VFU8
Description
Manufacturer
Freescale Semiconductor
Datasheet
1.MC68HC912B32VFU8.pdf
(334 pages)
Specifications of MC68HC912B32VFU8
Cpu Family
HC12
Device Core Size
16b
Frequency (max)
8MHz
Interface Type
SCI/SPI
Program Memory Type
EPROM
Program Memory Size
32KB
Total Internal Ram Size
1KB
# I/os (max)
63
Operating Supply Voltage (typ)
5V
Operating Supply Voltage (max)
5.5V
Operating Supply Voltage (min)
4.5V
On-chip Adc
8-chx10-bit
Instruction Set Architecture
CISC
Operating Temp Range
-40C to 105C
Operating Temperature Classification
Industrial
Mounting
Surface Mount
Pin Count
80
Package Type
PQFP
Lead Free Status / Rohs Status
Not Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
MC68HC912B32VFU8
Manufacturer:
MOTOROLA/摩托罗拉
Quantity:
20 000
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EEPROM
At bus frequencies below 1 MHz, the RC clock must be turned on for program/erase.
7.3 EEPROM Control Registers
This section describes the EEPROM control registers.
7.3.1 EEPROM Module Configuration Register
EESWAI — EEPROM Stops in Wait Mode Bit
PROTLCK — Block Protect Write Lock Bit
EERC — EEPROM Charge Pump Clock Bit
94
This bit should be cleared if the wait mode vectors are mapped in the EEPROM array.
Read anytime. Write once in normal modes (SMODN = 1); set and clear anytime in special modes
(SMODN = 0).
The RC oscillator is required when the system bus clock is lower than f
Read and write anytime.
0 = Module is not affected during wait mode.
1 = Module ceases to be clocked during wait mode.
0 = Block protect bits and bulk erase protection bit can be written.
1 = Block protect bits are locked.
0 = System clock is used as clock source for the internal charge pump. Internal RC oscillator is
1 = Internal RC oscillator drives the charge pump.
stopped.
Address: $00F0
Reset:
Read:
Write:
Figure 7-2. EEPROM Module Configuration Register (EEMCR)
Bit 7
1
1
Figure 7-1. EEPROM Block Protect Mapping
6
1
1
M68HC12B Family Data Sheet, Rev. 9.1
$_D00
$_E00
$_F00
$_F80
$_FC0
5
1
1
4
1
1
256 BYTES
256 BYTES
128 BYTES
BPROT4
BPROT3
BPROT2
BPROT1
BPROT0
3
1
1
EESWAI
2
1
PROG
PROTLCK
1
0
.
Freescale Semiconductor
EERC
Bit 0
0
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