ST10R272L STMicroelectronics, ST10R272L Datasheet - Page 12

• Manufacturer Part Number: ST10R272L
• Description: 16-BIT Romless MCU WITH MAC UNIT
• Manufacturer: STMicroelectronics

Specifications of ST10R272L

• Cpu Frequency: 0 to 50 MHz
• Power: 3.3 Volt +/-0.3V

ST10R272L - MEMORY MAPPING
3
The ST10R272L is a ROMless device, the internal RAM space is 1 KByte. The RAM address
space is used for variables, register banks, the system stack, the PEC pointers (in 00’FCE0h
- 00’FCFFh) and the bit-addressable space (in 00’FD00h - 00’FDFFh).
12/77
1
00’EFFFh
00’EF00h
00’1FFFh
00’0000h
256 Byte
8K-byte
MEMORY MAPPING
System Segment 0
64 K-Byte
RAM/SFR
External
memory
internal
memory
XSSP
00’FFFFh
00’F000h
00’0000h
Data Page 3
Data Page 1
00’F000h
Data Page 2
00’8000h
00’4000h
Data Page 0
Figure 3 Memory map
Block 0
Block 1
00’FE3Fh
00’FF3Fh
00’FE20h
00’FF3Fh
00’FF20h
00’FF20h
00’F03Fh
00’F020h
DPRAM / SFR Area
4 K-Byte
SFR Area
(reserved)
ESFR Area
(reserved)
RAM
00’FFFFh
00’FE00h
00’F200h
00’F000h
00’FA00h
1K-Byte