参数资料
型号: ST72121J2T3/XXX
厂商: STMICROELECTRONICS
元件分类: 微控制器/微处理器
英文描述: 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PQFP44
封装: PLASTIC, TQFP-44
文件页数: 67/87页
文件大小: 1365K
代理商: ST72121J2T3/XXX
7/87
ST72121
1.3 MEMORY MAP
Figure 4. Program Memory Map
Table 2. Interrupt Vector Map
Vector Address
Description
Remarks
FFE0-FFE1h
FFE2-FFE3h
FFE4-FFE5h
FFE6-FFE7h
FFE8-FFE9h
FFEA-FFEBh
FFEC-FFEDh
FFEE-FFEFh
FFF0-FFF1h
FFF2-FFF3h
FFF4-FFF5h
FFF6-FFF7h
FFF8-FFF9h
FFFA-FFFBh
FFFC-FFFDh
FFFE-FFFFh
Not Used
SCI Interrupt Vector
TIMER B Interrupt Vector
TIMER A Interrupt Vector
SPI interrupt vector
Not Used
External Interrupt Vector EI3 (PB4)
External Interrupt Vector EI2 (PB0:PB3)
External Interrupt Vector EI1 (PF0:PF2)
External Interrupt Vector EI0 (PA3)
Not Used
TRAP (software) Interrupt Vector
RESET Vector
Internal Interrupt
External Interrupt
CPU Interrupt
0000h
Interrupt & Reset Vectors
HW Registers
027Fh
0080h
Short Addressing
RAM (zero page)
16-bit Addressing
RAM
007Fh
0200h / 0280h
Reserved
0080h
(see Table 3)
FFDFh
FFE0h
FFFFh
(see Table 2)
027Fh
C000h
BFFFh
00FFh
0100h
01FFh
0200h
8K Bytes
E000h
16K Bytes
Program
Short Addressing
RAM (zero page)
0080h
00FFh
01FFh
384 Bytes RAM
512 Bytes RAM
256 Bytes Stack/
16-bit Addressing RAM
256 Bytes Stack/
16-bit Addressing RAM
0100h
Memory
Program
Memory
7
相关PDF资料
PDF描述
ST72121J2T6/XXX 8-BIT, MROM, 16 MHz, MICROCONTROLLER, PQFP44
ST72141K2B3/XXX 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PDIP32
ST72311N4T6/XXX 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PQFP64
ST72311J2B6/XXX 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PDIP42
ST72311N2T3/XXX 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PQFP64
相关代理商/技术参数
参数描述
ST72121J4 制造商:未知厂家 制造商全称:未知厂家 功能描述:8-BIT MICROCONTROLLER (MCU) WITH 8 TO 16 K ROM/OTP/EPROM. 384 TO 512 BYTES RAM. WDG. SCI. SPI & 2 TIMERS - SDIP42. TQFP44
ST72124J 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:8-BIT MCU WITH SINGLE VOLTAGE FLASH MEMORY, ADC, 16-BIT TIMERS, SPI, SCI INTERFACES
ST72124J2 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:8-BIT MCU WITH SINGLE VOLTAGE FLASH MEMORY, ADC, 16-BIT TIMERS, SPI, SCI INTERFACES
ST72124J2B 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:8-BIT MCU WITH SINGLE VOLTAGE FLASH MEMORY, ADC, 16-BIT TIMERS, SPI, SCI INTERFACES
ST72124J2B1 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:8-BIT MCU WITH SINGLE VOLTAGE FLASH MEMORY, ADC, 16-BIT TIMERS, SPI, SCI INTERFACES