参数资料
型号: UPD78F9221CS-CAC-A
厂商: Renesas Electronics America
文件页数: 67/125页
文件大小: 0K
描述: MCU 8BIT 2KB FLASH 20PIN
标准包装: 400
系列: 78K0S/Kx1+
核心处理器: 78K0S
芯体尺寸: 8-位
速度: 10MHz
连通性: LIN,UART/USART
外围设备: LVD,POR,PWM,WDT
输入/输出数: 15
程序存储器容量: 2KB(2K x 8)
程序存储器类型: 闪存
RAM 容量: 128 x 8
电压 - 电源 (Vcc/Vdd): 2 V ~ 5.5 V
数据转换器: A/D 4x10b
振荡器型: 内部
工作温度: -40°C ~ 85°C
封装/外壳: 20-DIP(0.300",7.62mm)
包装: 托盘
CHAPTER 3 CPU ARCHITECTURE
User’s Manual U16898EJ6V0UD
44
3.3.2 Immediate addressing
[Function]
Immediate data in the instruction word is transferred to the program counter (PC) to branch.
This function is carried out when the CALL !addr16 and BR !addr16 instructions are executed.
CALL !addr16 and BR !addr16 instructions can be used to branch to all the memory spaces.
[Illustration]
In case of CALL !addr16 and BR !addr16 instructions
15
0
PC
87
70
CALL or BR
Low addr.
High addr.
PC
PC+1
PC+2
3.3.3 Table indirect addressing
[Function]
The table contents (branch destination address) of the particular location to be addressed by the immediate data
of an instruction code from bit 1 to bit 5 are transferred to the program counter (PC) to branch.
Table indirect addressing is carried out when the CALLT [addr5] instruction is executed. This instruction can be
used to branch to all the memory spaces according to the address stored in the memory table 40H to 7FH.
[Illustration]
15
1
15
0
PC
70
Low addr.
High addr.
Memory (Table)
Effective address + 1
Effective address
01
00000000
87
65
0
01
76
5
1
0
ta4–0
Instruction code
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