参数资料
型号: MC9RS08KA2CPC
厂商: Freescale Semiconductor
文件页数: 50/136页
文件大小: 0K
描述: IC MCU 8-BIT 2K FLASH 8-PDIP
产品培训模块: Mechatronics
USBSpyder08 Discovery Kit
RS08KA2 Low-End Microcontroller Series
MC9RS08KA8 Microcontroller
标准包装: 50
系列: RS08
核心处理器: RS08
芯体尺寸: 8-位
速度: 10MHz
外围设备: LVD,POR,WDT
输入/输出数: 4
程序存储器容量: 2KB(2K x 8)
程序存储器类型: 闪存
RAM 容量: 63 x 8
电压 - 电源 (Vcc/Vdd): 1.8 V ~ 5.5 V
振荡器型: 内部
工作温度: -40°C ~ 85°C
封装/外壳: 8-DIP(0.300",7.62mm)
包装: 管件
产品目录页面: 726 (CN2011-ZH PDF)
配用: DEMO9RS08KA2-ND - DEMO BOARD FOR 9RS08KA2
Chapter 2 Pins and Connections
MC9RS08KA2 Series Data Sheet, Rev. 4
20
Freescale Semiconductor
cables and the absolute value of the internal pullup device play almost no role in determining rise and fall
times on the BKGD pin.
2.4.4
General-Purpose I/O and Peripheral Ports
The remaining pins are shared among general-purpose I/O and on-chip peripheral functions such as timers
and analog comparator. Immediately after reset, all of these pins are configured as high-impedance
general-purpose inputs with internal pullup/pulldown devices disabled.
NOTE
To avoid extra current drain from floating input pins, the reset initialization
routine in the application program should either enable on-chip
pullup/pulldown devices or change the direction of unused pins to outputs.
Table 2-1. Pin Sharing Reference
Pin Name
Direction
Pullup/Pulldown1
1 SWC is software-controlled pullup/pulldown resistor; the register is associated with the respective port.
Alternative Functions2
2 Alternative functions are listed lowest priority first. For example, GPIO is the lowest priority alternative function of the
PTA0 pin; ACMP+ is the highest priority alternative function of the PTA0 pin.
VDD
——
Power
VSS
Ground
PTA0
I/O
SWC
PTA0
KBIP0
ACMP+
General-purpose input/output (GPIO)
Keyboard interrupt (stop/wait wakeup only)
Analog comparator input
PTA1
I/O
SWC
PTA1
KBIP1
ACMP-
General-purpose input/output (GPIO)
Keyboard interrupt (stop/wait wakeup only)
Analog comparator input
PTA2
I
PTA2
KBIP2
TCLK
RESET
VPP
General-purpose input
Keyboard interrupt (stop/wait wakeup only)
Modulo timer clock source
Reset
VPP
PTA3
I/O3
3 Output-only when configured as PTA3 function.
4
4 When PTA2 or PTA3 is configured as RESET or BKGD/MS, respectively, pullup is enabled. When V
PP is attached,
pullup/pulldown is disabled automatically.
PTA3
ACMPO
BKGD
MS
General-purpose output
Analog comparator output
Background debug data
Mode select
PTA45
5 This pin is not available in 6-pin package. Enabling either the pullup or pulldown device is recommended to prevent extra
current leakage from the floating input pin.
I/O
SWC
PTA4
KBIP4
General-purpose input/output (GPIO)
Keyboard interrupt (stop/wait wakeup only)
PTA55
I/O
SWC
PTA5
KBIP5
General-purpose input/output (GPIO)
Keyboard interrupt (stop/wait wakeup only)
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相关代理商/技术参数
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