參數(shù)資料
型號: MC68HC05PL4CSD
廠商: MOTOROLA INC
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 2.56 MHz, MICROCONTROLLER, PDSO28
封裝: SSOP-28
文件頁數(shù): 92/98頁
文件大?。?/td> 1019K
代理商: MC68HC05PL4CSD
GENERAL RELEASE SPECIFICATION
April 30, 1998
MOTOROLA
MC68HC05PL4
A-2
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 congured for normal reads
1 =
EPROM address and data bus congured 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 VPP pin.
PCR
$001E
bit-7
bit-6
bit-5
bit4
bit-3
bit-2
bit1
bit-0
Read
RESERVED
ELAT
PGM
Write
Reset
0000
0
000
I/O REGISTERS
32 BYTES
USER RAM
256 BYTES
UNUSED
USER EPROM
4096 BYTES
BOOTSTRAP ROM
496 BYTES
$0000
$001F
$0020
$011F
$0120
$0DFF
$0E00
$1DFF
$1E00
$1FEF
$1FFF
$1FF0
$00C0
$00FF
STACK
64 BYTES
USER VECTORS
16 BYTES
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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