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參數(shù)資料
| 型號(hào)： | 68HC705PL4B |
| 廠商： | Motorola, Inc. |
| 英文描述： | 8-Bit Microcontroller Units (MCU).(8位微控制器) |
| 中文描述： | 8位微控制器單元（MCU）。（8位微控制器） |
| 文件頁(yè)數(shù)： | 92/98頁(yè) |
| 文件大?。?/td> | 1019K |
| 代理商： | 68HC705PL4B |
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GENERAL RELEASE SPECIFICATION
April 30, 1998
MOTOROLA
A-2
MC68HC05PL4
REV 2.0
Figure A-1. MC68HC705PL4B Memory Map
A.4.1 EPROM Program Control Register (PCN)
This register is provided for programming the on-chip EPROM in the
MC68HC705PL4.
ELAT – EPROM LATch control
0 =
EPROM address and data bus configured for normal reads
1 =
EPROM address and data bus configured for programming (writes
to EPROM cause address and data to be latched). EPROM is in
programming mode and cannot be read if ELAT is 1. This bit should
not be set when no programming voltage is applied to the V
PP
pin.
PCR
$001E
bit-7
bit-6
bit-5
bit4
bit-3
bit-2
bit1
bit-0
Read
RESERVED
ELAT
PGM
Write
Reset
0
0
0
0
0
0
0
0
I/O REGISTERS
32 BYTES
USER RAM
256 BYTES
UNUSED
USER EPROM
4096 BYTES
BOOTSTRAP ROM
496 BYTES
$0000
$001F
$0020
$0120
$0DFF
$0E00
$1DFF
$1E00
$1FEF
$1FF0
$1FFF
$00C0
$011F
STACK
64 BYTES
USER VECTORS
16 BYTES
RESERVED
RESERVED
KEYBOARD
8-BIT TIMER
16-BIT TIMER
IRQ
SWI
RESET
$1FF0-$1FF1
$1FF2-$1FF3
$1FF4-$1FF5
$1FF6-$1FF7
$1FF8-$1FF9
$1FFA-$1FFB
$1FFC-$1FFD
$1FFE-$1FFF
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相關(guān)代理商/技術(shù)參數(shù) |
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| 68HC705RC17 | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:Genneral Release Specification |
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| 68HC705SR3 | 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:High-density Complementary Metal Oxide Semiconductor (HCMOS) Microcontroller Units |
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