參數(shù)資料
型號: UPD78F9512GR-JJG-A
廠商: Renesas Electronics America
文件頁數(shù): 107/175頁
文件大?。?/td> 0K
描述: MCU 8BIT SGL CHIP 16PIN
標(biāo)準(zhǔn)包裝: 400
系列: 78K0S/Kx1+
核心處理器: 78K0S
芯體尺寸: 8-位
速度: 10MHz
外圍設(shè)備: LVD,POR,PWM,WDT
輸入/輸出數(shù): 13
程序存儲器容量: 4KB(4K x 8)
程序存儲器類型: 閃存
RAM 容量: 128 x 8
電壓 - 電源 (Vcc/Vdd): 2 V ~ 5.5 V
振蕩器型: 內(nèi)部
工作溫度: -40°C ~ 85°C
封裝/外殼: 16-SSOP(0.173",4.40mm 寬)
包裝: 托盤
CHAPTER 3 CPU ARCHITECTURE
User’s Manual U16994EJ6V0UD
35
3.1.1 Internal program memory space
The internal program memory space stores programs and table data. This space is usually addressed by the
program counter (PC).
The 78K0S/KY1+ provide the following internal ROMs (or flash memory) containing the following capacities.
Table 3-1. Internal ROM Capacity
Internal ROM
Part Number
Structure
Capacity
μPD78F9210, 78F9510
1,024
× 8 bits
μPD78F9211, 78F9511
2,048
× 8 bits
μPD78F9212, 78F9512
Flash memory
4,096
× 8 bits
The following areas are allocated to the internal program memory space.
(1)
Vector table area
The 20-byte area of addresses 0000H to 0013H is reserved as a vector table area. This area stores program
start addresses to be used when branching by RESET or interrupt request generation.
Of a
16-bit address, the lower 8 bits are stored in an even address, and the higher 8 bits are stored in an odd
address.
Table 3-2. Vector Table
Vector Table Address
Interrupt Request
Vector Table Address
Interrupt Request
0000H
Reset
000CH
INTTMH1
0006H
INTLVI
000EH
INTTM000
0008H
INTP0
0010H
INTTM010
000AH
INTP1
0012H
Note
INTAD
Note
μPD78F921x only
(2)
CALLT instruction table area
The subroutine entry address of a 1-byte call instruction (CALLT) can be stored in the 64-byte area of
addresses 0040H to 007FH.
(3)
Option byte area
The option byte area is the 1-byte area of address 0080H. For details, refer to CHAPTER 15 OPTION
BYTE.
(4)
Protect byte area
The protect byte area is the 1-byte area of address 0081H.
For details, refer to CHAPTER 16 FLASH
MEMORY.
<R>
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