TMP87CH20F中文资料东芝数据手册PDF规格书

特性 Features

8-bit single chip microcomputer TLCS-870 Series

Instruction execution time: 0.5 us (at 8 MHz), 122 us (at 32.768 kHz)

412 basic instructions

Multiplication and Division (8 bits x 8 bits, 16 bits + 8 bits)

• Bit manipulations (set/clear/complement/move/test/exclusive or)

16-bit data operations

1-byte jump/subroutine-call (Short relative jump/Vector call)

13 interrupt sources (External: 4, Internal: 9)

All sources have independent latches each, and nested

interrupt control is available.

2 edge-selectable external interrupts with noise reject

High-speed task switching by register bank changeover

7 Input/Output ports (45 pins)

High current output: 2 pins (typ. 20 mA)

16-bit Timer/Counter

Timer, Event counter, Pulse width measurement, Frequency

measurement modes

Four 8-bit Timer/Counters

Timer, Event counter, Capture (Pulse width/duty measurement),

PWM output, Programmable divider output modes

Time Base Timer (Interrupt frequency: 1 Hz to 16 kHz)

Divider output function (frequency: 1 kHz to 8 kHz)

Watchdog Timer

• Interrupt source/reset output (programmable)

▶8-bit Serial Interface

With 8 bytes transmit/receive data buffer

Internal/external serial clock, and 4/8-bit mode

LCD driver/Controller

LCD direct drive capability (max. 16-digit display at 1/4 duty LCD).

1/4, 1/3, 1/2 duties or static drive are programmably selectable.

With display memory.