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1.2
Block Diagram
MD2
MD1
MD0
EXTAL
XTAL
STBY
RES
) *
1
WDTOVF (FWE, EMLE, V
CL
NMI
PF7/φ
PF6/AS
PF5/RD
PF4/HWR
PF3/LWR/IRQ3
PF2/WAIT/IRQ2/DREQO
PF1/BACK/IRQ1/CS5
PF0/BREQ/IRQ0/CS4
PG4/CS0
PG3/CS1/CS7
PG2/CS2
PG1/CS3/IRQ7/CS6
PG0/ADTRG/IRQ6
Notes: 1. The FWE pin function is only available in the H8S/2318 F-ZTAT, H8S/2317 F-ZTAT, H8S/2315 F-ZTAT,
and H8S/2314 F-ZTAT.
The EMLE pin function is only available in the H8S/2319 F-ZTAT.
The V
pin function is only available in the H8S/2319C F-ZTAT.
CL
The WDTOVF pin function is not available in the F-ZTAT versions.
2. ROM is not supported in the ROMless versions.
Rev. 5.00, 12/03, page 8 of 1088
Interrupt controller
ROM *
Port
F
RAM
Port
G
TPU
Port 1
Figure 1-1 Block Diagram
Port D
H8S/2000 CPU
DTC
2
WDT
8-bit timer
SCI
D/A converter
A/D converter
Port 2
Port E
PA3/A19
PA2/A18
Port
PA1/A17
A
PA0/A16
PB7/A15
PB6/A14
PB5/A13
PB4/A12
Port
PB3/ A11
B
PB2/A10
PB1/A9
PB0/A8
PC7/A7
PC6/A6
PC5/A5
PC4/A4
Port
PC3/A3
C
PC2/A2
PC1/A1
PC0/A0
P35/SCK1/IRQ5
P34/SCK0/IRQ4
Port
P33/RxD1
3
P32/RxD0
P31/TxD1
P30/TxD0
Port 4
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