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1.2
Internal Block Diagram
Figure 1-1 (a) shows an internal block diagram of the H8S/2633, H8S/2632, H8S/2631, and
H8S/2633F. Figure 1-1 (b) shows the internal block diagram of the H8S/2633R. Figure 1-1 (c)
shows the internal block diagram of the H8S/2695.
MD2
MD1
MD0
OSC2
OSC1
EXTAL
XTAL
PLLVCC
PLLCAP
PLLVSS
STBY
RES
WDTOVF
NMI
2
FWE*
PF7/ ø
PF6/AS/LCAS
PF5 /RD
PF4 /HWR
PF3 /LWR/ADTRG/IRQ3
PF2 /LCAS / WAIT / BREQO
PF1 /BACK/BUZZ
PF0/BREQ/IRQ2
PG4/CS0
PG3/CS1
PG2/CS2
PG1/CS3/OE/IRQ7
PG0 / CAS/IRQ6
P77 / TxD3
P76 / RxD3
P75 / TMO3/SCK3
P74 / TMO2/MRES
P73 / TMO1/TEND1/CS7
P72 / TMO0/TEND0/CS6/SYNCI
P71 /TMR23/TMC23/DREQ1/CS5
P70 /TMR01/TMC01/DREQ0/CS4
Notes: *1 Applies to the H8S/2633 only.
*2 The FWE pin is used only in the flash memory version.
Figure 1-1 (a) H8S/2633F, H8S/2633, H8S/2632, H8S/2631 Internal Block Diagram
8
Port D
H8S/2600 CPU
Interrupt controller
PC break controller
(2 channels)
ROM
(Mask ROM,
*1
flash memory
)
RAM
TPU
PPG
Port 1
Port E
DTC
DMAC
WDT × 2 channels
8bit timer × 4 channels
SCI × 5 channels
(IrDA × 1channel)
2
I
C bus interface
(option)
14-bit PWM timer
D/A converter
A/D converter
Port 4
PA3 /A19/SCK2
PA2 /A18/RxD2
PA1 /A17/TxD2
PA0 /A16
PB7 /A15/TIOCB5
PB6 /A14/TIOCA5
PB5 /A13/TIOCB4
PB4 /A12/TIOCA4
PB3 / A11/TIOCD3
PB2 /A10/TIOCC3
PB1 /A9/TIOCB3
PB0 /A8/TIOCA3
PC7 /A7/ PWM1
PC6 /A6/ PWM0
PC5/ A5
PC4/ A4
PC3/ A3
PC2/ A2
PC1/ A1
PC0/ A0
P37 / TxD4
P36 / RxD4
P35 / SCK1/SCK4/SCL0/IRQ5
P34 / RxD1/SDA0
P33 / TxD1/SCL1
P32 / SCK0/SDA1/IRQ4
P31 / RxD0/IrRxD
P30 / TxD0/IrTxD
P97 / AN15/DA3
P96 / AN14/DA2
P95 / AN13
P94 / AN12
P93 / AN11
P92 / AN10
P91 / AN9
P90 / AN8
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