ST72T331N2T6 STMicroelectronics, ST72T331N2T6 Datasheet - Page 11

• Manufacturer Part Number: ST72T331N2T6
• Description: 8-bit Microcontrollers - MCU OTP EPROM 8K SPI/SCI
• Manufacturer: STMicroelectronics

Specifications of ST72T331N2T6

• Product Category: 8-bit Microcontrollers - MCU
• Rohs: yes
• Core: ST7
• Data Bus Width: 8 bit
• Maximum Clock Frequency: 16 MHz
• Program Memory Size: 8 KB
• Data Ram Size: 384 B
• On-chip Adc: Yes
• Package / Case: TQFP-64
• Mounting Style: SMD/SMT
• A/d Bit Size: 8 bit
• A/d Channels Available: 8
• Interface Type: SCI, SPI
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Number Of Programmable I/os: 44
• Number Of Timers: 2
• On-chip Dac: No
• Program Memory Type: EPROM
• Factory Pack Quantity: 90
• Supply Voltage - Max: 5.5 V
• Supply Voltage - Min: 3.5 V

1.4 MEMORY MAP
Figure 7. Program Memory Map
Table 3. Interrupt Vector Map
Vector Address
FFEC-FFEDh
FFEA-FFEBh
FFEE-FFEFh
FFFC-FFFDh
FFFA-FFFBh
FFFE-FFFFh
FFE0-FFE1h
FFE2-FFE3h
FFE4-FFE5h
FFE6-FFE7h
FFE8-FFE9h
FFF0-FFF1h
FFF2-FFF3h
FFF4-FFF5h
FFF6-FFF7h
FFF8-FFF9h
01FFh
0200h / 0280h
E000h
027Fh
FFDFh
007Fh
0BFFh
0CFFh
BFFFh
C000h
FFFFh
0080h
0C00h
0D00h
0000h
FFE0h
Interrupt & Reset Vectors
256 Bytes
8K Bytes
Program
Memory
HW Registers
512 Bytes RAM
(see
(see
Reserved
Reserved
384 Bytes RAM
Table
Table
EEPROM
16K Bytes
Program
Memory
TRAP (software) Interrupt Vector
3)
4)
External Interrupt Vector EI3
External Interrupt Vector EI2
External Interrupt Vector EI1
External Interrupt Vector EI0
EEPROM Interrupt Vector
TIMER B Interrupt Vector
TIMER A Interrupt Vector
SCI Interrupt Vector
SPI interrupt vector
RESET Vector
Description
Not Used
Not Used
Not Used
Not Used
Not Used
0080h
00FFh
01FFh
01FFh
027Fh
0100h
00FFh
0200h
0080h
0100h
16-bit Addressing RAM
16-bit Addressing RAM
Short Addressing
RAM (zero page)
Short Addressing
RAM (zero page)
16-bit Addressing
256 Bytes Stack/
ST72E331 ST72T331
256 Bytes Stack/
External Interrupt
External Interrupt
External Interrupt
External Interrupt
Internal Interrupt
Internal Interrupt
Internal Interrupt
Internal Interrupt
Internal Interrupt
RAM
CPU Interrupt
Remarks
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