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參數(shù)資料
| 型號(hào)： | MC68EC000FU12 |
| 廠商： | MOTOROLA INC |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | Addendum to M68000 User Manual |
| 中文描述： | 32-BIT, 12 MHz, MICROPROCESSOR, PQFP64 |
| 封裝： | 14 X 14 MM, PLASTIC, QFP-64 |
| 文件頁數(shù)： | 4/26頁 |
| 文件大?。?/td> | 124K |
| 代理商： | MC68EC000FU12 |
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4
M68000 USER’S MANUAL ADDENDUM
MOTOROLA
2.0 SIGNAL DESCRIPTION
Change Figure 3-3 on Page 3-2.
Figure 1. Input and Output Signals (MC68EC000 and MC68SEC000)
2.1 Data Bus (D15-D0)
In Section 3.2 on page 3-4, replace “The MC68EC000 and MC68HC001 use D7-D0 in 8-bit mode, and D15-
D8 are undefined.” with “Using the MC68HC001, MC68EC000, and MC68SEC000 mode pin, you can
statically select either 8- or 16-bit modes for data transfer. The MC68EC000, MC68SEC000, and
MC68HC001 use D7-D0 in 8-bit mode. D15-D8 are undefined.”
2.2 Bus Arbitration Control
In Section 3.4 on page 3-5, the sentence “In the 48-pin version of the MC68008 and MC68EC000, no pin is
available for the bus grant acknowledge signal; this microprocessor uses a two-wire bus arbitration
scheme.” should read “In the 64-pin MC68EC000 and MC68SEC000, no pin is available for the bus grant
acknowledge signal. These microprocessors use a two-wire bus arbitration scheme.”
2.3 System Control
The Mode subsection heading of Section 3.6 on page 3-7 should read ‘‘Mode (MODE) (MC68HC001/
68EC000/68SEC000).’’
2.4 MC68SEC000 Low-Power Mode
Add the following to Sections 4 and 5, Bus Operation.
The MC68SEC000 has been redesigned to provide fully static- and low-power operation. This section
describes the recommended method for placing the MC68SEC000 into a low-power mode to reduce the
ADDRESS BUS
DATA BUS
ASYNCHRONOUS
BUS CONTROL
BUS ARBITRATION
CONTROL
INTERRUPT
CONTROL
PROCESSOR
STATUS
A23-A0
D15-D0
AS
R/W
UDS
LDS
DTACK
BERR
RESET
HALT
MODE
SYSTEM
CONTROL
V
CC
GND
CLK
MC68SEC000
FC0
FC1
FC2
IPL0
IPL1
IPL2
AVEC
BR
BG
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MC68EC000FU16 | Addendum to M68000 User Manual |
| MC68EC000FU20 | Addendum to M68000 User Manual |
| MC68EC000FU8 | Addendum to M68000 User Manual |
| MC68HC000CFN10 | Addendum to M68000 User Manual |
| MC68HC000CFN12 | Addendum to M68000 User Manual |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MC68EC000FU16 | 制造商:Rochester Electronics LLC 功能描述:8/16/32 BIT MPU - Bulk |
| MC68EC000FU16R2 | 制造商:Rochester Electronics LLC 功能描述:8/16/32 BIT MPU - Bulk |
| MC68EC000FU20 | 制造商:Rochester Electronics LLC 功能描述:8/16/32 BIT MPU - Bulk |
| MC68EC000FU8 | 制造商:Rochester Electronics LLC 功能描述:8/16/32 BIT MPU - Bulk |
| MC68EC00FU10 | 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Motorola Inc 功能描述: 制造商:MOTOROLA 功能描述: |
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