参数资料
型号: MC68334GCFC20
厂商: MOTOROLA INC
元件分类: 微控制器/微处理器
英文描述: 32-BIT, 20 MHz, MICROCONTROLLER, PQFP132
封装: PLASTIC, QFP-132
文件页数: 22/76页
文件大小: 444K
代理商: MC68334GCFC20
MC68334
MOTOROLA
MC68334TS/D REV. 1
29
3.5.1 Chip-Select Registers
Each chip-select pin can have one or more functions. Chip-select pin assignment registers (CS-
PAR[0:1]) determine functions of the pins. Pin assignment registers also determine port size (8- or 16-
bit) for dynamic bus allocation. A pin data register (PORTC) latches data for chip-select pins that are
used for discrete output.
Blocks of addresses are assigned to each chip-select function. Block sizes of two Kbytes to one Mbyte
can be selected by writing values to the appropriate base address register (CSBAR[0:10], CSBARBT).
Address blocks for separate chip-select functions can overlap.
Chip select option registers (CSOR[0:10], CSORBT) determine timing of and conditions for assertion of
chip-select signals. Eight parameters, including operating mode, access size, synchronization, and wait
state insertion can be specified.
Initialization software usually resides in a peripheral memory device controlled by the chip-select cir-
cuits. 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 contain twelve 2-bit fields (CS[10:0] and CSBOOT) that determine func-
tions of the chip-select pins. Each pin has two or three possible functions, as shown below.
Table 13 Chip Select Allocation
Pin
Chip Select
Discrete Outputs
CSBOOT
BR
CS0
BG
CS1
BGACK
CS2
FC0
CS3
PC0
FC1
CS4
PC1
FC2
CS5
PC2
ADDR19
CS6
PC3
ADDR20
CS7
PC4
ADDR21
CS8
PC5
ADDR22
CS9
PC6
ADDR23
CS10
ECLK
Table 14 Chip-Select Pin Functions
Assignment
Register
16-Bit
Chip Select
8-Bit
Chip Select
Alternate
Function
Discrete Output
CSBOOT
CS0
BR
CS1
BG
CSPAR0
CS2
BGACK
CS3
FC0
PC0
CS4
FC1
PC1
CS5
FC2
PC2
CS6
ADDR19
PC3
CS7
ADDR20
PC4
CSPAR1
CS8
ADDR21
PC5
CS9
ADDR22
PC6
CS10
ADDR23
ECLK
相关PDF资料
PDF描述
MC68334MFC20 32-BIT, 20 MHz, MICROCONTROLLER, PQFP132
MC68334VFC20 32-BIT, 20 MHz, MICROCONTROLLER, PQFP132
MC68334AVFC20 32-BIT, 20 MHz, MICROCONTROLLER, PQFP132
MC68334VFC16 32-BIT, 16 MHz, MICROCONTROLLER, PQFP132
MC68336AMFT20 32-BIT, 20.97 MHz, MICROCONTROLLER, PQFP16
相关代理商/技术参数
参数描述
MC68334GEH16 功能描述:32位微控制器 - MCU 32B MCU SIM TPU 1K RAM RoHS:否 制造商:Texas Instruments 核心:C28x 处理器系列:TMS320F28x 数据总线宽度:32 bit 最大时钟频率:90 MHz 程序存储器大小:64 KB 数据 RAM 大小:26 KB 片上 ADC:Yes 工作电源电压:2.97 V to 3.63 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:LQFP-80 安装风格:SMD/SMT
MC68334GFC16 功能描述:IC MCU 16MHZ 1K RAM 132-PQFP RoHS:否 类别:集成电路 (IC) >> 嵌入式 - 微控制器, 系列:M683xx 其它有关文件:STM32F101T8 View All Specifications 特色产品:STM32 32-bit Cortex MCUs 标准包装:490 系列:STM32 F1 核心处理器:ARM? Cortex?-M3 芯体尺寸:32-位 速度:36MHz 连通性:I²C,IrDA,LIN,SPI,UART/USART 外围设备:DMA,PDR,POR,PVD,PWM,温度传感器,WDT 输入/输出数:26 程序存储器容量:64KB(64K x 8) 程序存储器类型:闪存 EEPROM 大小:- RAM 容量:10K x 8 电压 - 电源 (Vcc/Vdd):2 V ~ 3.6 V 数据转换器:A/D 10x12b 振荡器型:内部 工作温度:-40°C ~ 85°C 封装/外壳:36-VFQFN,36-VFQFPN 包装:托盘 配用:497-10030-ND - STARTER KIT FOR STM32497-8853-ND - BOARD DEMO STM32 UNIV USB-UUSCIKSDKSTM32-PL-ND - KIT IAR KICKSTART STM32 CORTEXM3497-8512-ND - KIT STARTER FOR STM32F10XE MCU497-8505-ND - KIT STARTER FOR STM32F10XE MCU497-8304-ND - KIT STM32 MOTOR DRIVER BLDC497-6438-ND - BOARD EVALUTION FOR STM32 512K497-6289-ND - KIT PERFORMANCE STICK FOR STM32MCBSTM32UME-ND - BOARD EVAL MCBSTM32 + ULINK-MEMCBSTM32U-ND - BOARD EVAL MCBSTM32 + ULINK2更多... 其它名称:497-9032STM32F101T8U6-ND
MC68336ACAB20 功能描述:IC MCU 32BIT 20MHZ 160-QFP RoHS:是 类别:集成电路 (IC) >> 嵌入式 - 微控制器, 系列:M683xx 标准包装:1 系列:87C 核心处理器:MCS 51 芯体尺寸:8-位 速度:16MHz 连通性:SIO 外围设备:- 输入/输出数:32 程序存储器容量:8KB(8K x 8) 程序存储器类型:OTP EEPROM 大小:- RAM 容量:256 x 8 电压 - 电源 (Vcc/Vdd):4 V ~ 6 V 数据转换器:- 振荡器型:外部 工作温度:0°C ~ 70°C 封装/外壳:44-DIP 包装:管件 其它名称:864285
MC68336ACAB25 功能描述:IC MCU 32BIT 25MHZ 160-QFP RoHS:是 类别:集成电路 (IC) >> 嵌入式 - 微控制器, 系列:M683xx 标准包装:1 系列:87C 核心处理器:MCS 51 芯体尺寸:8-位 速度:16MHz 连通性:SIO 外围设备:- 输入/输出数:32 程序存储器容量:8KB(8K x 8) 程序存储器类型:OTP EEPROM 大小:- RAM 容量:256 x 8 电压 - 电源 (Vcc/Vdd):4 V ~ 6 V 数据转换器:- 振荡器型:外部 工作温度:0°C ~ 70°C 封装/外壳:44-DIP 包装:管件 其它名称:864285
MC68336ACFT20 功能描述:IC MCU 32BIT 20MHZ AMASK 160-QFP RoHS:否 类别:集成电路 (IC) >> 嵌入式 - 微控制器, 系列:M683xx 其它有关文件:STM32F101T8 View All Specifications 特色产品:STM32 32-bit Cortex MCUs 标准包装:490 系列:STM32 F1 核心处理器:ARM? Cortex?-M3 芯体尺寸:32-位 速度:36MHz 连通性:I²C,IrDA,LIN,SPI,UART/USART 外围设备:DMA,PDR,POR,PVD,PWM,温度传感器,WDT 输入/输出数:26 程序存储器容量:64KB(64K x 8) 程序存储器类型:闪存 EEPROM 大小:- RAM 容量:10K x 8 电压 - 电源 (Vcc/Vdd):2 V ~ 3.6 V 数据转换器:A/D 10x12b 振荡器型:内部 工作温度:-40°C ~ 85°C 封装/外壳:36-VFQFN,36-VFQFPN 包装:托盘 配用:497-10030-ND - STARTER KIT FOR STM32497-8853-ND - BOARD DEMO STM32 UNIV USB-UUSCIKSDKSTM32-PL-ND - KIT IAR KICKSTART STM32 CORTEXM3497-8512-ND - KIT STARTER FOR STM32F10XE MCU497-8505-ND - KIT STARTER FOR STM32F10XE MCU497-8304-ND - KIT STM32 MOTOR DRIVER BLDC497-6438-ND - BOARD EVALUTION FOR STM32 512K497-6289-ND - KIT PERFORMANCE STICK FOR STM32MCBSTM32UME-ND - BOARD EVAL MCBSTM32 + ULINK-MEMCBSTM32U-ND - BOARD EVAL MCBSTM32 + ULINK2更多... 其它名称:497-9032STM32F101T8U6-ND