Datasheet

Rev.6.00 Oct.28.2004 page 3 of 1016
REJ09B0138-0600H
Item Specification
16-bit timer-pulse
unit (TPU)
• 6-channel 16-bit timer on-chip
• Pulse I/O processing capability for up to 16 pins
• Automatic 2-phase encoder count capability
Programmable
pulse generator
(PPG)
• Maximum 16-bit pulse output possible with TPU as time base
• Output trigger selectable in 4-bit groups
• Non-overlap margin can be set
• Direct output or inverse output setting possible
8-bit timer
2 channels
• 8-bit up-counter (external event count capability)
• Two time constant registers
• Two-channel connection possible
Watchdog timer
• Watchdog timer or interval timer selectable
Serial
communication
interface (SCI)
3 channels
• Asynchronous mode or synchronous mode selectable
• Multiprocessor communication function
• Smart card interface function
A/D converter
• Resolution: 10 bits
• Input: 8 channels
• High-speed conversion: 6.7 µs minimum conversion time
(at 20 MHz operation)
• Single or scan mode selectable
• Sample and hold circuit
• A/D conversion can be activated by external trigger or timer trigger
D/A converter
• Resolution: 8 bits
• Output: 2 channels
I/O ports
• 87 I/O pins, 8 input-only pins
Memory
• Flash memory, PROM, Masked ROM
• High-speed static RAM
Product Name ROM RAM
H8S/2357 128 kbytes 8 kbytes
H8S/2352 — 8 kbytes
H8S/2398 256 kbytes 8 kbytes
H8S/2394 — 32 kbytes
H8S/2392 — 8 kbytes
H8S/2390 — 4 kbytes