HD6412340 HITACHI [Hitachi Semiconductor], HD6412340 Datasheet - Page 26

• Manufacturer Part Number: HD6412340
• Description: H8S/2345 F-ZTAT Hardware Manual
• Manufacturer: HITACHI [Hitachi Semiconductor]

1.2
Figure 1.1 shows an internal block diagram of the H8S/2345 Series.
6
Notes: 1. Functions as WDTOVF pin on ZTAT, mask ROM, and ROMless versions.
PF
PF
PF
PF
PF
PF
PF
PF
PG
PG
PG
PG
PG
MD
MD
MD
EXTAL
XTAL
STBY
RES
WDTOVF (FWE)
NMI
7
6
5
4
3
2
1
0
4
3
2
1
0
2
1
0
/ø
/AS
/RD
/HWR
/LWR/ IRQ3
/WAIT/ IRQ2
/BACK/IRQ1
/BREQ/IRQ0
/CS0
/CS1
/CS2
/CS3/ IRQ7
/ADTRG/IRQ6
2. Not present on ROMless version.
Block Diagram
Functions as FWE pin on F-ZTAT version, not as WDTOVF pin.
*1
Port
Port
G
F
Port 1
Interrupt controller
Figure 1.1 Block Diagram
TPU
ROM
RAM
*2
Port 2
H8S/2000 CPU
Port D
DTC
D/A converter
A/D converter
8-bit timer
WDT
SCI
Port E
Port 4
Port
Port
Port
Port
A
B
C
3
PA
PA
PA
PA
PB
PB
PB
PB
PB
PB
PB
PB
PC
PC
PC
PC
PC
PC
PC
PC
P3
P3
P3
P3
P3
P3
5
4
3
2
1
0
3
2
1
0
7
6
5
4
3
2
1
0
7
6
5
4
3
2
1
0
/ SCK1/IRQ5
/ SCK0/IRQ4
/ RxD1
/ RxD0
/ TxD1
/ TxD0
/A
/A
/A
/A
/A
/A
/A
/A
/A
/A
/A
/ A
/ A
/ A
/ A
/ A
/ A
/ A
/ A
/ A
19
18
17
16
15
14
13
12
10
9
8
7
6
5
4
3
2
1
0
11