參數(shù)資料
型號: MC68HC705RC16FN
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: 8-BIT, OTPROM, 2.1 MHz, MICROCONTROLLER, PQCC44
封裝: PLASTIC, LCC-44
文件頁數(shù): 106/120頁
文件大小: 3565K
代理商: MC68HC705RC16FN
NON-DISCLOSURE
AGREEMENT
REQUIRED
EPROM
General Release Specification
MC68HC705RC16 Rev. 3.0
EPROM
10.4.2 Programming Register
This register is used to program the EPROM array. Only the LATCH and
EPGM bits are available in user mode. To program a byte of EPROM,
set LATCH, then write data to the desired address, then set EPGM for
tEPGM.
LATCH — EPROM Latch Control
READ: Any time
WRITE: Any time
1 = EPROM address and data bus configured for programming.
Causes address and data bus to be latched when a write to
EPROM is done. EPROM cannot be read if LATCH = 1.
0 = EPROM address and data bus configured for normal reads
EPGM — EPROM Program Control
READ: Any time
WRITE: Any time security is not set
1 = VPP switched on to the EPROM array. If LATCH = 1, EPGM
switches programming power to the EPROM array.
0 = Programming power switched off the EPROM array
Address:
$001E
Bit 7
654321
Bit 0
Read:
RRRRR
LATCH
R
EPGM
Write:
Reset:
00000000
R
= Reserved
Figure 10-3. Programming Register (PROG)
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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