參數(shù)資料
型號： MC68HC912BL16VFU8
廠商： FREESCALE SEMICONDUCTOR INC
元件分類： 微控制器/微處理器
英文描述： 16-BIT, FLASH, 8 MHz, MICROCONTROLLER, PQFP64
封裝： QFP-64
文件頁數(shù)： 77/128頁
文件大小： 3326K
代理商： MC68HC912BL16VFU8
MC68HC912BL16
52
MC68HC912BL16TS/D
EECPRD — Charge Pump Ramp Disable
Known to enhance write/erase endurance of EEPROM cells.
0 = Charge pump is turned on progressively during program/erase.
1 = Disable charge pump controlled ramp up.
EECPM — Charge Pump Monitor Enable
0 = Normal operation.
1 = Output the charge pump voltage on the IRQ/VPP pin.
BULKP — Bulk Erase Protection
0 = EEPROM can be bulk erased.
1 = EEPROM is protected from being bulk or row erased.
Read anytime. Write anytime if EEPGM = 0 and PROTLCK = 0.
BYTE — Byte and Aligned Word Erase
0 = Bulk or row erase is enabled.
1 = One byte or one aligned word erase only.
Read anytime. Write anytime if EEPGM = 0.
ROW — Row or Bulk Erase (when BYTE = 0)
0 = Erase entire EEPROM array.
1 = Erase only one 32-byte row.
Read anytime. Write anytime if EEPGM = 0.
BYTE and ROW have no effect when ERASE = 0
If BYTE = 1 and test mode is not enabled, only the location specified by the address written to the pro-
gramming latches will be erased. The operation will be a byte or an aligned word erase depending on
the size of written data.
ERASE — Erase Control
0 = EEPROM configuration for programming or reading.
1 = EEPROM configuration for erasure.
Read anytime. Write anytime if EEPGM = 0.
Configures the EEPROM for erasure or programming.
When test mode is not enabled and unless BULKP is set, erasure is by byte, aligned word, row or bulk.
EELAT — EEPROM Latch Control
0 = EEPROM set up for normal reads.
1 = EEPROM address and data bus latches set up for programming or erasing.
Read anytime. Write anytime if EEPGM = 0.
NOTE
When EELAT is set, the entire EEPROM is unavailable for reads, therefore, no pro-
EEPROG — EEPROM Control
$00F3
Bit 7
6
5
4
3
2
1
Bit 0
BULKP
0
BYTE
ROW
ERASE
EELAT
EEPGM
RESET:
1
0
Table 16 Erase Selection
BYTE
ROW
Block Size
0
Bulk erase entire EEPROM array
0
1
Row erase 32 bytes
1
0
Byte or aligned word erase
1
Byte or aligned word erase
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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