ST72T631K4M1 STMicroelectronics, ST72T631K4M1 Datasheet - Page 10

• Manufacturer Part Number: ST72T631K4M1
• Description: Microcontrollers (MCU) OTP EPROM 16K USB/SC
• Manufacturer: STMicroelectronics

Specifications of ST72T631K4M1

• Data Bus Width: 8 bit
• Program Memory Type: EPROM
• Program Memory Size: 16 KB
• Data Ram Size: 512 B
• Interface Type: I2C, SCI, USB
• Maximum Clock Frequency: 8 MHz
• Number Of Programmable I/os: 19
• Number Of Timers: 2
• Operating Supply Voltage: 4 V to 5.5 V
• Maximum Operating Temperature: + 70 C
• Mounting Style: SMD/SMT
• Package / Case: SO-34
• Minimum Operating Temperature: 0 C
• On-chip Adc: 8 bit
• Lead Free Status / Rohs Status: No

ST7263
1.4 REGISTER & MEMORY MAP
As shown in
dressing 64K bytes of memories and I/O registers.
The available memory locations consist of 192
bytes of register location, up to 512 bytes of RAM
and up to 16K bytes of user program memory. The
RAM space includes up to 64 bytes for the stack
from 0100h to 013Fh.
Figure 5. Memory Map
* Program memory and RAM sizes are product dependent (see
Table 3. Interrupt Vector Map
* If the peripheral is present on the device (see
10/109
Vector Address
FFFA-FFFBh
FFFC-FFFDh
FFFE-FFFFh
FFF0-FFF1h
FFF2-FFF3h
FFF4-FFF5h
FFF6-FFF7h
FFF8-FFF9h
Figure
E000h
F000h
023Fh
003Fh
0240h
BFFFh
C000h
FFEFh
FFFFh
0040h
0000h
FFF0h
USB End Suspend Mode Interrupt Vector
5, the MCU is capable of ad-
4K Bytes
TRAP (software) Interrupt Vector
(see Table 3 on page 10)
Interrupt & Reset Vectors
IT1 to IT8 Interrupt Vector
512 Bytes RAM*
TIMER Interrupt Vector
Program Memory*
USB Interrupt Vector
SCI Interrupt Vector*
I
HW Registers
8K Bytes
2
(see
C Interrupt Vector*
Reserved
RESET Vector
Description
256 Bytes RAM*
Table
16K Bytes
4
Table 1 Device
The highest address bytes contain the user reset
and interrupt vectors.
IMPORTANT: Memory locations noted “Re-
served” must never be accessed. Accessing a re-
served area can have unpredictable effects on the
device
Masked by
none
none
I- bit
I- bit
I- bit
I- bit
I- bit
I- bit
0040h
00FFh
0100h
013Fh
0040h
00FFh
0100h
013Fh
0140h
023Fh
Summary)
Table 1 Device
External Interrupts
Internal Interrupt
Internal Interrupt
Internal Interrupt
Internal Interrupt
Internal Interrupt
16-bit Addressing RAM
CPU Interrupt
Remarks
Short Addressing
RAM (192 Bytes)
Short Addressing
RAM (192 Bytes)
Stack (64 Bytes)
Stack (64 Bytes)
(256 Bytes)
Summary)
Exit from Halt Mode
Yes
Yes
Yes
No
No
No
No
No