
5
1.2
Internal Block Diagrams
Figures 1-1 shows internal block diagram of the H8S/2214.
P
E
7/D
7
P
E
6/D
6
P
E
5/D
5
P
E
4/D
4
P
E
3/D
3
P
E
2/D
2
P
E
1/D
1
P
E
0/D
0
PD7
/D15
PD6
/D14
PD5
/D13
PD4
/D12
PD3
/D11
PD2
/D10
P
D
1/D
9
P
D
0/D
8
Port D
V
CC
V
CC
V
SS
V
SS
RESERVE
V
SS
PA3 / A19/SCK2
PA2 / A18/RxD2
PA1 / A17/TxD2
PA0 / A16
PB7 / A15
PB6 / A14
PB5 / A13
PB4 / A12
PB3 / A11
PB2/A10
PB1/A9
PB0/A8
PC7/A7
PC6/A6
PC5/A5
PC4/A4
PC3/A3
PC2/A2
PC1/A1
PC0/A0
P36 /
EXIRQ7
P35 / SCK1/
IRQ5
P34 / RxD1
P33 / TxD1
P32 / SCK0/
IRQ4
P31 / RxD0
P30 / TxD0
P40
/EXIRQ0
P41
/EXIRQ1
P42
/EXIRQ2
P43
/EXIRQ3
P44
/EXIRQ4
P45
P46
/EXIRQ5
P47
/EXIRQ6
P10
/TIOCA0
/A20
P11
/TIOCB0
/A21
P12
/TIOCC0
/TCLKA/A22
P13
/TIOCD0
/TCLKB/A23
P14
/TIOCA1/
IRQ0
P15
/TIOCB1
/TCLKC
P16
/TIOCA2/
IRQ1
P17
/TIOCB2/
TCLKD
P70
/DREQ0
/CS4
P71
/DREQ1
/CS5
P72
/TEND0
/CS6
P73
/TEND1
/CS7
P74
/MRES
/EXDTCE
P75
/EXMS
P76
/EXMSTP
P77
PG4 /
CS0
PG3 /
CS1
PG2 /
CS2
PG1 /
CS3/IRQ7
PG0 /
IRQ6
PF7/
PF6 /
AS
PF5 /
RD
PF4 /
HWR
PF3 /
LWR/IRQ3
PF2 /
WAIT
PF1 /
BACK
PF0 /
BREQ/IRQ2
SCI1, 2 (2 channels)
SCI0 (1 channel, High speed UART)
MD2
MD1
MD0
EXTAL
XTAL
STBY
RES
NMI
FWE
H8S/2000 CPU
DTC
DMAC
WDT0
Interrupt controller
Port E
Port 4
Port 9
Port 1
Port 7
Internal
address
bus
System
clock
pulse
generator
Port
A
Port
B
Bus
controller
Port
C
Port
3
Port
G
Port
F
ROM
(128 kB)
RAM
(12 kB)
Internal
data
bus
TPU (3 channels)
Peripheral
data
bus
Peripheral
address
bus
D/A converter
(1 channel)
P96/DA0
RESERVE
AVCC
Vref
AVSS
Figure 1-1 H8S/2214 Internal Block Diagram