Datasheet
Rev. 6.00 Mar. 24, 2006 Page 410 of 412 
REJ09B0142-0600   
Software protection............................. 109 
G 
General registers....................................... 18 
I 
I/O ports.................................................. 115 
I/O port block diagrams...................... 377 
I
2
C bus interface (IIC) ............................ 233 
Acknowledge...................................... 250 
Clock synchronous serial format ........ 259 
General call address............................ 247 
I
2
C bus data formats ........................... 250 
I
2
C transfer rate................................... 241 
Slave address ...................................... 250 
Start condition .................................... 250 
Stop condition..................................... 250 
Instruction set ........................................... 24 
Interrupt 
Internal interrupts ................................. 61 
Interrupt response time ......................... 62 
IRQ3 to IRQ0 interrupts....................... 59 
NMI interrupt........................................ 59 
WKP5 to WKP0 interrupts ................... 60 
Interrupt mask bit (I)................................. 19 
L 
Laminated-structure cross section of 
H8/3664N ............................................... 401 
Large current ports...................................... 1 
M 
Memory map ............................................ 14 
P 
Package....................................................... 2 
Package dimensions................................ 397 
Pin arrangement .......................................... 5 
Power supply circuit 
Internal power supply step-down circuit
............................................................ 299 
Power supply circuit ............................... 299 
Power-down modes................................... 83 
Module standby function ...................... 94 
Sleep mode............................................ 91 
Standby mode ....................................... 91 
Subactive mode..................................... 92 
Subsleep mode ...................................... 92 
Prescaler S ................................................ 81 
Prescaler W............................................... 81 
Product code lineup ................................ 395 
Program counter (PC) ............................... 19 
R 
Registers 
ABRKCR...................... 68, 303, 306, 309 
ABRKSR ...................... 70, 303, 306, 309 
ADCR ......................... 280, 303, 306, 309 
ADCSR....................... 279, 303, 306, 309 
ADDRA ...................... 278, 303, 306, 309 
ADDRB ...................... 278, 303, 306, 309 
ADDRC ...................... 278, 303, 306, 309 
ADDRD ...................... 278, 303, 306, 309 
BARH ........................... 70, 303, 306, 309 
BARL............................ 70, 303, 306, 309 
BDRH ........................... 70, 303, 306, 309 
BDRL............................ 70, 303, 306, 309 
BRR ............................ 205, 302, 306, 308 
EBR1............................. 99, 302, 305, 308 
EKR ............................ 289, 304, 307, 310 
FENR .......................... 100, 302, 305, 308 
FLMCR1....................... 97, 302, 305, 308 
FLMCR2....................... 98, 302, 305, 308 
FLPWCR ...................... 99, 302, 305, 308 
GRA............................ 171, 302, 305, 308 










