Product data
Table 0-1 H8/300H Series
Item H8/3003 H8/3002 H8/3001 H8/3042 H8/3041 H8/3040
CPU H8/300H H8/300H H8/300H H8/300H H8/300H H8/300H
Memory ROM Mask (byte) — — — 64 k 48 k 32 k
ZTAT *———Yes——
RAM (byte) 512 512 512 2 k 2 k 2 k
Address space (byte) 16 M 16 M 16 M 16 M 16 M 16 M
External data bus width (bit) 8/16 8/16 8/16 8/16 8/16 8/16
Timers ITU (integrated 5 ch 5 ch 5 ch 5 ch 5 ch 5 ch
timer unit)
Watchdog timer 1 ch 1 ch — 1 ch 1 ch 1 ch
DMA Memory ↔ I/O 8 ch 4 ch — 4 ch 4 ch 4 ch
controller
Memory ↔ memory 4 ch 2 ch — 2 ch 2 ch 2 ch
Programmable timing pattern 16 bits 16 bits 12 bits 16 bits 16 bits 16 bits
controller (TPC)
SCI (Asynchronous/clock- 2 ch 2 ch 1 ch 2 ch 2 ch 2 ch
synchronous)
A/D Resolution 10 bits 10 bits 10 bits 10 bits 10 bits 10 bits
converter
Input channel 8 ch 8 ch 4 ch 8 ch 8 ch 8 ch
External trigger input Yes Yes Yes Yes Yes Yes
D/A Resolution ———8 bits 8 bits 8 bits
converter
Input channel ———2 ch2 ch2 ch
Refresh controller On-chip On-chip — On-chip On-chip On-chip
Interrupts External interrupts 974777
Internal Interrupts 34 30 20 30 30 30
I/O port 58 46 32 78 78 78
Package QFP-112 QFP-100 QFP-80 QFP-100 QFP-100 QFP-100
TQFP-100 TQFP-80 TQFP-100 TQFP-100 TQFP-100
Miscellaneous ——————
Note: ZTAT (Zero turn around time) is a trademark of Hitachi Ltd.