参数资料
型号: UPD78F9512GR-JJG-A
厂商: Renesas Electronics America
文件页数: 108/175页
文件大小: 0K
描述: MCU 8BIT SGL CHIP 16PIN
标准包装: 400
系列: 78K0S/Kx1+
核心处理器: 78K0S
芯体尺寸: 8-位
速度: 10MHz
外围设备: LVD,POR,PWM,WDT
输入/输出数: 13
程序存储器容量: 4KB(4K 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
振荡器型: 内部
工作温度: -40°C ~ 85°C
封装/外壳: 16-SSOP(0.173",4.40mm 宽)
包装: 托盘
CHAPTER 3 CPU ARCHITECTURE
User’s Manual U16994EJ6V0UD
36
3.1.2 Internal data memory space
128-byte internal high-speed RAM is provided in the 78K0S/KY1+.
The internal high-speed RAM can also be used as a stack memory.
3.1.3 Special function register (SFR) area
Special function registers (SFRs) of on-chip peripheral hardware are allocated to the area of FF00H to FFFFH (see
Table 3-3).
3.1.4 Data memory addressing
The 78K0S/KY1+ are provided with a wide range of addressing modes to make memory manipulation as efficient
as possible. The area (FE80H to FEFFH) which contains a data memory and the special function register (SFR) area
can be accessed using a unique addressing mode in accordance with each function. Figures 3-4 to 3-6 illustrate the
data memory addressing.
Figure 3-4. Data Memory Addressing (
μPD78F9210, 78F9510)
Special function registers (SFR)
256
× 8 bits
Internal high-speed RAM
128
× 8 bits
Flash memory
1,024
× 8 bits
Use prohibited
Direct addressing
Register indirect addressing
Based addressing
SFR addressing
Short direct addressing
FFFFH
FF00H
FEFFH
FF20H
FF1FH
FE80H
FE7FH
0400H
03FFH
0000H
<R>
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