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參數(shù)資料
型號: MC68332VFV16
廠商: MOTOROLA INC
元件分類: 微控制器/微處理器
英文描述: 32-Bit Modular Microcontroller
中文描述: 32-BIT, 16.78 MHz, MICROCONTROLLER, PQFP144
封裝: QFP-144
文件頁數(shù): 34/88頁
文件大小: 446K
代理商: MC68332VFV16
MOTOROLA
34
MC68332
MC68332TS/D
CSORBT, the option register for CSBOOT, contains special reset values that support bootstrap opera-
tions from peripheral memory devices.
The following bit descriptions apply to both CSORBT and CSOR[10:0] option registers.
MODE — Asynchronous/Synchronous Mode
0 = Asynchronous mode selected (chip-select assertion determined by internal or external bus con-
trol signals)
1 = Synchronous mode selected (chip-select assertion synchronized with ECLK signal)
In asynchronous mode, the chip select is asserted synchronized with AS or DS.
The DSACK field is not used in synchronous mode because a bus cycle is only performed as a syn-
chronous operation. When a match condition occurs on a chip select programmed for synchronous op-
eration, the chip select signals the EBI that an ECLK cycle is pending.
BYTE — Upper/Lower Byte Option
This field is used only when the chip-select 16-bit port option is selected in the pin assignment register.
The following table lists upper/lower byte options.
R/W — Read/Write
This field causes a chip select to be asserted only for a read, only for a write, or for both read and write.
Refer to the following table for options available.
STRB — Address Strobe/Data Strobe
0 = Address strobe
1 = Data strobe
This bit controls the timing for assertion of a chip select in asynchronous mode. Selecting address
strobe causes chip select to be asserted synchronized with address strobe. Selecting data strobe caus-
es chip select to be asserted synchronized with data strobe.
CSORBT
—Chip-Select Option Register Boot ROM
$YFFA4A
15
14
13
12
11
10
9
6
5
4
3
1
0
MODE
BYTE
R/W
STRB
DSACK
SPACE
IPL
AVEC
RESET:
0
1
1
1
1
0
1
1
0
1
1
1
0
0
0
0
CSOR[10:0]
—Chip-Select Option Registers
$YFFA4E–$YFFA76
15
14
13
12
11
10
9
6
5
4
3
1
0
MODE
BYTE
R/W
STRB
DSACK
SPACE
IPL
AVEC
RESET:
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Byte
00
01
10
11
Description
Disable
Lower Byte
Upper Byte
Both Bytes
R/W
00
01
10
11
Description
Reserved
Read Only
Write Only
Read/Write
相關PDF資料
PDF描述
MC68332AVFV16 32-Bit Modular Microcontroller
MC68332VFV20 32-Bit Modular Microcontroller
MC68332AVFV20 32-Bit Modular Microcontroller
MC68332CFV16 32-Bit Modular Microcontroller
MC68332CFV20 32-Bit Modular Microcontroller
相關代理商/技術參數(shù)
參數(shù)描述
MC68332VFV20 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:32-Bit Modular Microcontroller
MC68334 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:Technical Supplement
MC68334GCEH16 功能描述:IC MCU 16MHZ 2K RAM 132-PQFP RoHS:是 類別:集成電路 (IC) >> 嵌入式 - 微控制器, 系列:M683xx 標準包裝:1 系列:87C 核心處理器:MCS 51 芯體尺寸:8-位 速度:16MHz 連通性:SIO 外圍設備:- 輸入/輸出數(shù):32 程序存儲器容量:8KB(8K x 8) 程序存儲器類型:OTP EEPROM 大小:- RAM 容量:256 x 8 電壓 - 電源 (Vcc/Vdd):4 V ~ 6 V 數(shù)據(jù)轉(zhuǎn)換器:- 振蕩器型:外部 工作溫度:0°C ~ 70°C 封裝/外殼:44-DIP 包裝:管件 其它名稱:864285
MC68334GCEH16 制造商:Freescale Semiconductor 功能描述:Microcontroller
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