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| 型號(hào)： | MC9RS08KA2CSCR |
| 廠商： | Freescale Semiconductor |
| 文件頁(yè)數(shù)： | 79/136頁(yè) |
| 文件大?。?/td> | 0K |
| 描述： | IC MCU 8BIT 2K FLASH 8-SOIC |
| 產(chǎn)品培訓(xùn)模塊： | Mechatronics USBSpyder08 Discovery Kit RS08KA2 Low-End Microcontroller Series MC9RS08KA8 Microcontroller |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 系列： | RS08 |
| 核心處理器： | RS08 |
| 芯體尺寸： | 8-位 |
| 速度： | 10MHz |
| 外圍設(shè)備： | LVD，POR，WDT |
| 輸入/輸出數(shù)： | 4 |
| 程序存儲(chǔ)器容量： | 2KB（2K x 8） |
| 程序存儲(chǔ)器類型： | 閃存 |
| RAM 容量： | 63 x 8 |
| 電壓 - 電源 (Vcc/Vdd)： | 1.8 V ~ 5.5 V |
| 振蕩器型： | 內(nèi)部 |
| 工作溫度： | -40°C ~ 85°C |
| 封裝/外殼： | 8-SOIC（0.154"，3.90mm 寬） |
| 包裝： | 標(biāo)準(zhǔn)包裝 |
| 其它名稱： | MC9RS08KA2CSCRDKR |
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Chapter 6 Parallel Input/Output Control
MC9RS08KA2 Series Data Sheet, Rev. 4
Freescale Semiconductor
47
6.3
Pin Control Registers
This section provides information about the registers associated with the parallel I/O ports that are used
for pin control functions.
Refer to tables in Chapter 4, “Memory,” for the absolute address assignments of the pin control registers.
This section refers to registers and control bits only by their names. A Freescale Semiconductor-provided
equate or header file normally is used to translate these names into the appropriate absolute addresses.
6.3.1
Port A Pin Control Registers
The pins associated with port A are controlled by the registers provided in this section. These registers
control the pin pullup/pulldown and slew rate of the port A pins independent of the parallel I/O registers.
6.3.1.1
Internal Pulling Device Enable
An internal pulling device can be enabled for each port pin by setting the corresponding bit in the pulling
device enable register (PTAPEn). The pulling device is disabled if the pin is configured as an output by the
parallel I/O control logic or any shared peripheral output function regardless of the state of the
Table 6-1. PTAD Register Field Descriptions
Field
Description
5:0
PTAD[5:0]
Port A Data Register Bits — For port A pins that are inputs, reads return the logic level on the pin. For port A
pins that are configured as outputs, reads return the last value written to this register. Writes are latched into all
bits of this register. For port A pins that are configured as outputs, the logic level is driven out the corresponding
MCU pin.
Reset forces PTAD to all 0s, but these 0s are not driven out the corresponding pins because reset also configures
all port pins as high-impedance inputs with pullup/pulldowns disabled.
76
54
321
0
R
00
00
W
Reset:
000
00
000
Figure 6-3. Port A Data Direction Register (PTADD)
Table 6-2. PTADD Register Field Descriptions
Field
Description
5:4,1:0
PTADD[5:4,1:0]
Data Direction for Port A Bits — These read/write bits control the direction of port A pins and what is read
for PTAD reads.
0 Input (output driver disabled) and reads return the pin value.
1 Output driver enabled for port A bit n and PTAD reads return the contents of PTADn.
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| MC9RS08KA2DB | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:Microcontrollers |
| MC9RS08KA2PC | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:Microcontrollers |
| MC9RS08KA2SC | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:Microcontrollers |
| MC9RS08KA4 | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:MCU Block Diagram |
| MC9RS08KA4CPG | 功能描述:8位微控制器 -MCU 9RS08KA8 16PDIP RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時(shí)鐘頻率:50 MHz 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT |
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