- 您現(xiàn)在的位置：買賣IC網 > PDF目錄17142 > DEMO9RS08KA2 (Freescale Semiconductor)DEMO BOARD FOR 9RS08KA2 PDF資料下載
參數(shù)資料
| 型號： | DEMO9RS08KA2 |
| 廠商： | Freescale Semiconductor |
| 文件頁數(shù)： | 92/136頁 |
| 文件大?。?/td> | 0K |
| 描述： | DEMO BOARD FOR 9RS08KA2 |
| 產品培訓模塊： | Mechatronics USBSpyder08 Discovery Kit RS08KA2 Low-End Microcontroller Series MC9RS08KA8 Microcontroller |
| 標準包裝： | 1 |
| 系列： | RS08 |
| 類型： | MCU |
| 適用于相關產品： | MC9RS08KA2 |
| 所含物品： | 板，線纜，CD，文檔，樣品 IC |
| 產品目錄頁面： | 730 (CN2011-ZH PDF) |
| 相關產品： | MC9RS08KA2CSCRTR-ND - IC MCU 8BIT 2K FLASH 8-SOIC PC9RS08KA2PAE-ND - MCU 8BIT 2KB FLASH RS08 8-DIP PC9RS08KA2FPE-ND - MCU 8BIT 2KB FLASH RS08 6-VDFN PC9RS08KA2DWE-ND - MCU 8BIT 2KB FLASH RS08 8-SOIC MC9RS08KA2CPC-ND - IC MCU 8-BIT 2K FLASH 8-PDIP MC9RS08KA2CDB-ND - IC MCU 8-BIT 2K FLASH 6-DFN MC9RS08KA2CSC-ND - IC MCU 8-BIT 2K FLASH 8-SOIC |
第1頁第2頁第3頁第4頁第5頁第6頁第7頁第8頁第9頁第10頁第11頁第12頁第13頁第14頁第15頁第16頁第17頁第18頁第19頁第20頁第21頁第22頁第23頁第24頁第25頁第26頁第27頁第28頁第29頁第30頁第31頁第32頁第33頁第34頁第35頁第36頁第37頁第38頁第39頁第40頁第41頁第42頁第43頁第44頁第45頁第46頁第47頁第48頁第49頁第50頁第51頁第52頁第53頁第54頁第55頁第56頁第57頁第58頁第59頁第60頁第61頁第62頁第63頁第64頁第65頁第66頁第67頁第68頁第69頁第70頁第71頁第72頁第73頁第74頁第75頁第76頁第77頁第78頁第79頁第80頁第81頁第82頁第83頁第84頁第85頁第86頁第87頁第88頁第89頁第90頁第91頁當前第92頁第93頁第94頁第95頁第96頁第97頁第98頁第99頁第100頁第101頁第102頁第103頁第104頁第105頁第106頁第107頁第108頁第109頁第110頁第111頁第112頁第113頁第114頁第115頁第116頁第117頁第118頁第119頁第120頁第121頁第122頁第123頁第124頁第125頁第126頁第127頁第128頁第129頁第130頁第131頁第132頁第133頁第134頁第135頁第136頁
Chapter 8 Central Processor Unit (RS08CPUV1)
MC9RS08KA2 Series Data Sheet, Rev. 4
Freescale Semiconductor
59
8.2.2
Program Counter (PC)
The program counter is a 14-bit register that contains the address of the next instruction or operand to be
fetched.
During normal execution, the program counter automatically increments to the next sequential memory
location each time an instruction or operand is fetched. Jump, branch, and return operations load the
program counter with an address other than that of the next sequential location. This is called a
change-of-flow.
During reset, the program counter is loaded with $3FFD and the program will start execution from this
specific location.
8.2.3
Shadow Program Counter (SPC)
The shadow program counter is a 14-bit register. During a subroutine call using either a JSR or a BSR
instruction, the return address will be saved into the SPC. Upon completion of the subroutine, the RTS
instruction will restore the content of the program counter from the shadow program counter.
During reset, the shadow program counter is loaded with $3FFD.
8.2.4
Condition Code Register (CCR)
The 2-bit condition code register contains two status flags. The content of the CCR in the RS08 is not
directly readable. The CCR bits can be tested using conditional branch instructions such as BCC and BEQ.
These two register bits are directly accessible through the BDC interface. The following paragraphs
provide detailed information about the CCR bits and how they are used. Figure 8-3 identifies the CCR bits
and their bit positions.
Figure 8-3. Condition Code Register (CCR)
The status bits (Z and C) are cleared to 0 after reset.
The two status bits indicate the results of arithmetic and other instructions. Conditional branch instructions
will either branch to a new program location or allow the program to continue to the next instruction after
the branch, depending on the values in the CCR status bit. Conditional branch instructions, such as BCC,
BCS, and BNE, cause a branch depending on the state of a single CCR bit.
Often, the conditional branch immediately follows the instruction that caused the CCR bit(s) to be updated,
as in this sequence:
cmp
#5
;compare accumulator A to 5
blo
lower
;branch if A smaller 5
more:
deca
;do this if A not higher than or same as 5
lower:
CARRY
ZERO
CCR
C
Z
CONDITION CODE REGISTER
相關PDF資料 |
PDF描述 |
|---|---|
| VE-J1B-EZ | CONVERTER MOD DC/DC 95V 25W |
| EBC28DREH | CONN EDGECARD 56POS .100 EYELET |
| ECC35DCMN | CONN EDGECARD 70POS .100 WW |
| EBC35DCSN | CONN EDGECARD 70POS DIP .100 SLD |
| MRJ0280DD-A | C/A MRJ21/MRJ21 GBE STRT CMR 28M |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| DEMO9RS08KA8 | 功能描述:開發(fā)板和工具包 - S08 / S12 DEMO BOARD FOR KA8 PRODUCT RoHS:否 產品:Development Kits 工具用于評估:MC9S12G128 核心:S12 接口類型:CAN, LIN, RS-232, USB 工作電源電壓:5 V 制造商:Freescale Semiconductor |
| DEMO9RS08KB12 | 功能描述:開發(fā)板和工具包 - S08 / S12 KB12 DEMO Board RoHS:否 產品:Development Kits 工具用于評估:MC9S12G128 核心:S12 接口類型:CAN, LIN, RS-232, USB 工作電源電壓:5 V 制造商:Freescale Semiconductor |
| DEMO9RS08KB12 | 制造商:Freescale Semiconductor 功能描述:; LEADED PROCESS COMPATIBLE:YES; PEAK RE |
| DEMO9RS08LA8 | 功能描述:開發(fā)板和工具包 - S08 / S12 DEMO BOARD FOR LA8 RoHS:否 產品:Development Kits 工具用于評估:MC9S12G128 核心:S12 接口類型:CAN, LIN, RS-232, USB 工作電源電壓:5 V 制造商:Freescale Semiconductor |
| DEMO9RS08LE4 | 功能描述:開發(fā)板和工具包 - S08 / S12 LE4 Family Demo Board RoHS:否 產品:Development Kits 工具用于評估:MC9S12G128 核心:S12 接口類型:CAN, LIN, RS-232, USB 工作電源電壓:5 V 制造商:Freescale Semiconductor |
發(fā)布緊急采購，3分鐘左右您將得到回復。