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Features of TLCS-870 Family
2 banks
15 0
15 0
SP
15 0
PC
70
PSW
W
B
D
H
A
C
E
L
IX
IY
Series
Series
Series
Series
◆
Core architecture optimized for C compiler
◆
Address space extended to
1Mbyte
◆ High-speed processing capability equivalent to 16-bit microcontrollers
◆ Address space extended to 128 Kbytes
◆ 5-V operation
◆ On-chip debug function
Performance
Software design facilitatedCompact core and object sizes
64-Kbyte code
segment
64-Kbyte code
segment
Code
Data
Code
Additional code
Data
Code:Instruction op-codes and operands
Data: Sources and destinations of load and
arithmetic instructions, etc.
Unlike the bank switching method, small- to large-
sized programs need not be modified. Processing
speed and code efficiency are unaffected even if
the code size exceeds 64 Kbytes.
Compared to the address bus extension
method, core and code sizes are
reduced. The instruction set is compatible
with TLCS-870/C.
Code and data in the same area
Processor core features
Register configuration
Memory management method
(segment method)
[TLCS-870/C1 Series]
[TLCS-870/C1 Series]
NEW
NEW NEW
Toshiba microcomputer core line-up
NEW
Segment method
Conventional 8-bit product
Segment method
Toshiba's proprietary memory segment method manages instruction codes and data
independently in separate memory address spaces. This new method enables memory
address space extension without affecting processing speed or code efficiency for
small- to large-sized programs exceeding 64 Kbytes.
TLCS-870
Family
8-
bit Microcontrollers
8-bit microcontrollers suitable for a wide range of consumer products such as home appliances,
communications devices and inverter-controlled equipment
The TLCS-870 Family consists of 8-bit microcontrollers developed for consumer applications such as home appliances, TVs, audio equipment, tele-
phones, motor control and lighting devices. The product line-up includes microcontrollers incorporating various functions to suit these applications,
including an AD converter, LCD driver, UART, on-screen display circuit, IGBT controller and PMD circuit. The 870 Family also offers products featur-
ing low-voltage, low-power-consumption and low-noise operation that are suitable for portable equipment and many other applications. The 870
Family has been reinforced by the TLCS-870/C1 Series which delivers enhanced processing capability and upgraded low-voltage and low-power-
consumption features such as on-chip Flash memory, a voltage detecting circuit and a power-on reset circuit.
16 MHz
0.25 µs/0.167 µs
64 Kbytes
31
731 instructions
1.8 to 5.5 V
8 MHz
0.5 µs
64 Kbytes
15
412 instructions
2.7 to 5.5 V/6.0 V
8 MHz
0.125 µs
128 Kbytes
52
732 instructions
2.7 to 5.5 V
20 MHz
0.2 µs
1 Mbyte
63
842 instructions
2.7 to 5.5 V
Maximum operating frequency
Minimum instruction execution time
Address space
Interrupt vector (max)
Instruction set
Operating voltage range (typ.)
870/C Series 870/X Series 870 Series 870/C1 Series