HD6433308 Datasheet, PDF (20/349 Pages) Hitachi Semiconductor – Hitachi Single-Chip MicroComputer

1.1 Block Diagram
Figure 1-1 shows a block diagram of the H8/330 chip.
*
P10/A0
P11/A1
P12/A2
P13/A3
P14/A4
P15/A5
P16/A6
P17/A7
P20/A8
P21/A9
P22/A10
P23/A11
P24/A12
P25/A13
P26/A14
P27/A15
P60/FTCI
P61/FTOA
P62/FTIA
P63/FTIB
P64/FTIC
P65/FTID
P66/FTOB/IRQ6
P67/IRQ7
Clock
pulse
gener-
ator
CPU
H8/300
Data bus (Low)
PROM (or
masked
ROM) 16K
bytes
16-Bit
free-running
timer
8-Bit timer
(2 channels)
PWM timer
(2 channels)
RAM
512 bytes
Dual-port
RAM
Serial
communication
(8 channels)
8-Bit A/D
converter
(8 channels)
Port 4
Port 7
Port 5
* CP-84, CG-84
Figure 1-1. Block Diagram
P90/IRQ2/ADTRG
P91/IRQ1
P92/IRQ0
P93/CS/RD
P94/OE/WR
P95/RDY/AS
P96/Ø
P97/WE/WAIT
P30/DDB0/D0
P31/DDB1/D1
P32/DDB2/D2
P33/DDB3/D3
P34/DDB4/D4
P35/DDB5/D5
P36/DDB6/D6
P37/DDB7/D7
P80/RS0/E
P81/RS1/IOS
P82/RS2
P83/RS3
P84/CTxD/IRQ3
P85/CRxD/IRQ4
P86/CSCK/IRQ5
2