3
Item
Description
Memory
Large on-chip memory
•
H8/3935, H8/3935R: 40-kbyte ROM, 2-kbyte RAM
•
H8/3936, H8/3936R: 48-kbyte ROM, 2-kbyte RAM
•
H8/3937, H8/3937R: 60-kbyte ROM, 2-kbyte RAM
I/O ports
67 pins
•
59 I/O pins
•
8 input pins
•
5 internal I/O
•
1 internal input
Timers
Five on-chip timers
•
Timer A: 8-bit timer
Count-up timer with selection of eight internal clock signals divided from the
system clock (ø)
*
and four clock signals divided from the watch clock (øw)
*
•
Timer C: 8-bit timer
Count-up/down timer with selection of seven internal clock signals or event
input from external pin
Auto-reloading
•
Timer F: 16-bit timer
Can be used as two independent 8-bit timers
Count-up timer with selection of four internal clock signals or event input
from external pin
Provision for toggle output by means of compare-match function
•
Timer G: 8-bit timer
Count-up timer with selection of four internal clock signals
Incorporates input capture function (built-in noise canceler)
•
Watchdog timer
Reset signal generated by overflow of 8-bit counter
Serial
communication
interface
Two serial communication interface channels on chip
Internal serial communication interface function
•
SCI1: Synchronous serial interface
8-bit or 16-bit transfer data can be selected
Used for interface to on-chip FLEX™ decoder
•
SCI31: 8-bit synchronous/asynchronous serial interface
Incorporates multiprocessor communication function
•
SCI32: 8-bit synchronous/asynchronous serial interface
Incorporates multiprocessor communication function
Содержание H8/3935
Страница 1: ......
Страница 2: ......
Страница 4: ......
Страница 24: ...12 ...
Страница 53: ...41 Notation op Operation field 15 0 8 7 op op Figure 2 10 Block Data Transfer Instruction Code ...
Страница 96: ...84 ...
Страница 142: ...130 ...
Страница 144: ...132 ...
Страница 252: ...240 ...
Страница 326: ...314 ...
Страница 340: ...328 ...
Страница 520: ...508 ...