欧美成人免费电影,国产欧美一区二区三区精品酒店,精品国产a毛片,色网在线免费观看

參數資料
型號: MC68332VFC20
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, 20 MHz, MICROCONTROLLER, PQFP132
封裝: PLASTIC, QFP-132
文件頁數: 31/88頁
文件大小: 446K
代理商: MC68332VFC20
MC68332
MC68332TS/D
MOTOROLA
31
3.5.1 Chip-Select Registers
Pin assignment registers CSPAR0 and CSPAR1 determine functions of chip-select pins. These regis-
ters also determine port size (8- or 16-bit) for dynamic bus allocation.
A pin data register (PORTC) latches discrete output data.
Blocks of addresses are assigned to each chip-select function. Block sizes of 2 Kbytes to 1 Mbyte can
be selected by writing values to the appropriate base address register (CSBAR). Address blocks for
separate chip-select functions can overlap.
Chip-select option registers (CSORBT and CSOR[10:0]) determine timing of and conditions for asser-
tion of chip-select signals. Eight parameters, including operating mode, access size, synchronization,
and wait state insertion can be specified.
Initialization code often resides in a peripheral memory device controlled by the chip-select circuits. A
set of special chip-select functions and registers (CSORBT, CSBARBT) is provided to support bootstrap
operation.
3.5.2 Pin Assignment Registers
The pin assignment registers (CSPAR0 and CSPAR1) contain pairs of bits that determine the function
of chip-select pins. The pin assignment encodings used in these registers are shown below.
CSPAR0 contains seven 2-bit fields that determine the functions of corresponding chip-select pins.
CSPAR0[15:14] are not used. These bits always read zero; writes have no effect. CSPAR0 bit 1 always
reads one; writes to CSPAR0 bit 1 have no effect.
Table 12 Pin Assignment Encodings
Bit Field
00
01
10
11
Description
Discrete Output
Alternate Function
Chip Select (8-Bit Port)
Chip Select (16-Bit Port)
CSPAR0
—Chip Select Pin Assignment Register 0
$YFFA44
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
0
0
CSPA0[6]
CSPA0[5]
CSPA0[4]
CSPA0[3]
CSPA0[2]
CSPA0[1]
CSBOOT
RESET:
0
0
DATA2
1
DATA2
1
DATA2
1
DATA1
1
DATA1
1
DATA1
1
1
DATA0
Table 13 CSPAR0 Pin Assignments
CSPAR0 Field
CSPA0[6]
CSPA0[5]
CSPA0[4]
CSPA0[3]
CSPA0[2]
CSPA0[1]
CSBOOT
Chip Select Signal
CS5
CS4
CS3
CS2
CS1
CS0
CSBOOT
Alternate Signal
FC2
FC1
FC0
BGACK
BG
BR
Discrete Output
PC2
PC1
PC0
相關PDF資料
PDF描述
MC68340V 32-Bit Microprocessor(32位微處理器)
MC68341FT16 Integrated Processor Users Manual
MC68341FT16V Integrated Processor Users Manual
MC68341FT25 Integrated Processor Users Manual
MC68341UMAD Integrated Processor Users Manual
相關代理商/技術參數
參數描述
MC68332VFV16 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:32-Bit Modular Microcontroller
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: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 數據轉換器:- 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
主站蜘蛛池模板: 耒阳市| 呼玛县| 揭西县| 阿坝| 福清市| 上林县| 武义县| 米林县| 南召县| 陕西省| 达孜县| 巫溪县| 洛扎县| 信丰县| 集安市| 西平县| 灵川县| 吴忠市| 乡宁县| 博罗县| 佛山市| 壶关县| 北宁市| 常熟市| 平陆县| 尚义县| 克拉玛依市| 沁水县| 吴旗县| 方正县| 北宁市| 宜宾县| 深圳市| 内黄县| 望都县| 广水市| 承德市| 蓬莱市| 边坝县| 区。| 怀集县|