參數(shù)資料
型號： MC68HC705CT4FB
廠商： FREESCALE SEMICONDUCTOR INC
元件分類： 微控制器/微處理器
英文描述： 8-BIT, OTPROM, 2.048 MHz, MICROCONTROLLER, PQFP44
封裝： QFP-44
文件頁數(shù)： 16/152頁
文件大?。?/td> 964K
代理商： MC68HC705CT4FB
NON-DISCLOSURE
AGREEMENT
REQUIRED
EPROM
General Release Specification
MC68HC705CT4 — Rev. 2.0
112
EPROM
MOTOROLA
15.4.2 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, write data to the desired address, and then set EPGM for
tEPGM. EPTST, MBE, TS1, and TS0 are available only in the special
modes, boot and test.
MORON — MOR On
READ: Only in special modes, user mode returns a logic 0
WRITE: Only in special modes
1 = Enables the decode to the MOR register latch. This feature
makes production testing and emulation easier. It is only valid
when IOOFF is cleared to zero.
0 = The MOR register is not in the map; INTSELB is not pulled at
$1F00.
EPTST — EPROM Test Mode Enable
READ: Only in special modes, user mode returns a logic 0
WRITE: Only in special modes
1 = Enables the functions of TS1 and TS0.
0 = TS1 and TS0 functions are disabled.
Address:
$0011
Bit 7
654321
Bit 0
Read:
MORON
EPTST
MBE
TS1
TS0
LATCH
0
EPGM
Write:
Reset:
00000000
Figure 15-4. Programing Register (PROG)
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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PDF描述
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