參數(shù)資料
型號(hào)： MC68SEC000CFU10
廠商： MOTOROLA INC
元件分類： 微控制器/微處理器
英文描述： M68000 USERS MANUAL ADDENDUM
中文描述： 32-BIT, 10 MHz, MICROPROCESSOR, PQFP64
封裝： 14 X 14 MM, 0.80 MM PITCH, PLASTIC, QFP-64
文件頁(yè)數(shù)： 4/26頁(yè)
文件大?。?/td> 249K
代理商： MC68SEC000CFU10
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
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MC68SEC000CFU16 制造商:Rochester Electronics LLC 功能描述:8/16/32 BIT MPU, STATIC - Bulk
MC68SEC000CFU20 制造商:Rochester Electronics LLC 功能描述:8/16/32 BIT MPU, STATIC - Bulk
MC68SEC000FU10 制造商:Rochester Electronics LLC 功能描述:- Bulk
MC68SEC000FU16 功能描述:IC MPU 32BIT 16MHZ 64-QFP RoHS:否 類別:集成電路 (IC) >> 嵌入式 - 微處理器 系列:M680x0 標(biāo)準(zhǔn)包裝:2 系列:MPC8xx 處理器類型:32-位 MPC8xx PowerQUICC 特點(diǎn):- 速度:133MHz 電壓:3.3V 安裝類型:表面貼裝 封裝/外殼:357-BBGA 供應(yīng)商設(shè)備封裝:357-PBGA（25x25） 包裝:托盤
MC68SEC000FU20 功能描述:IC MPU 32BIT LP 20MHZ 64-QFP RoHS:否 類別:集成電路 (IC) >> 嵌入式 - 微處理器 系列:M680x0 標(biāo)準(zhǔn)包裝:2 系列:MPC8xx 處理器類型:32-位 MPC8xx PowerQUICC 特點(diǎn):- 速度:133MHz 電壓:3.3V 安裝類型:表面貼裝 封裝/外殼:357-BBGA 供應(yīng)商設(shè)備封裝:357-PBGA（25x25） 包裝:托盤
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