*
CPU
H8/300
Data bus (low)
P10/A0
P11/A1
P12/A2
P13/A3
P14/A4
P15/A5
P16/A6
P17/A7
ROM
P90/ADTRG/IRQ2
P91/IRQ1
P92/IRQ0
P93/RD
P94/WR
P95/AS
RAM
(Mask ROM)
H8/3397: 2 kbytes
H8/3396: 2 kbytes
H8/3394: 1 kbyte
H8/3397: 60 kbytes
H8/3396: 48 kbytes
H8/3394: 32 kbytes
P96/ø
P97/WAIT
Watchdog
timer
P30/D0
P31/D1
P32/D2
P33/D3
P34/D4
P35/D5
P36/D6
P37/D7
P20/A8
P21/A9
Serial
communication
interface
16-bit
free-running
timer
P22/A10
P23/A11
P24/A12
P25/A13
P26/A14
P27/A15
(2 channels)
10-bit
A/D converter
(8 channels)
8-bit timer
(2 channels)
P60/FTCI/KEYIN0
P61/FTOA/KEYIN1
P62/FTIA/KEYIN2
PWM timer
(2 channels)
P80
P81
P82
P83
P63/FTIB/KEYIN3
P64/FTIC/KEYIN4
P65/FTID/KEYIN5
P66/FTOB/IRQ6/KEYIN6
P67/IRQ7/KEYIN7
P84/TxD1/IRQ3
P85/RxD1/IRQ4
P86/SCK1/IRQ5
Port 4
Port 7
Port 5
Memory Sizes
ROM
RAM
H8/3397
H8/3396
H8/3394
60 kbytes
48 kbytes
32 kbytes
2 kbytes
2 kbytes
1 kbyte
Note: * In the case of the CP-84 and CG-84
Figure 1.1 (b) Block Diagram for H8/3397 Series
7
RENESAS [ RENESAS TECHNOLOGY CORP ]
