HD6433640 HITACHI [Hitachi Semiconductor], HD6433640 Datasheet - Page 14

• Manufacturer Part Number: HD6433640
• Description: H8/3644 Series Hardware Manual
• Manufacturer: HITACHI [Hitachi Semiconductor]

Table 1.1
Item
Memory
I/O ports
Timers
Features (cont)
Description
Large on-chip memory
53 pins
Five on-chip timers
Note: * ø and ø
H8/3644: 32-kbyte ROM, 1-kbyte RAM
H8/3643: 24-kbyte ROM, 1-kbyte RAM
H8/3642: 16-kbyte ROM, 512 byte RAM (1-kbyte RAM F-ZTAT version)
H8/3641: 12-kbyte ROM, 512 byte RAM
H8/3640: 8-kbyte ROM, 512 byte RAM
45 I/O pins
8 input pins
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 (ø
Timer B1: 8-bit timer
Timer V: 8-bit timer
Timer X: 16-bit timer
Watchdog timer
Count-up timer with selection of seven internal clock signals or event
Auto-reloading
Count-up timer with selection of six internal clock signals or event input
Compare-match waveform output
Externally triggerable
Count-up timer with selection of three internal clock signals or event
Output compare (2 output pins)
Input capture (4 input pins)
Reset signal generated by 8-bit counter overflow
input from external pin
from external pin
input from external pin
W
are defined in section 4, Clock Pulse Generators.
w
)*
3