Block Diagram - Renesas H8S Series Hardware Manual

1.2

Block Diagram

Figure 1-1 shows an internal block diagram of the H8S/2357 Group.
MD
2
MD
1
MD
0
EXTAL
XTAL
STBY
RES
WDTOVF (FWE, V
NMI
PF / ø
7
PF / AS
6
PF / RD
5
PF / HWR
4
PF / LWR
3
PF /LCAS/WAIT/BREQO
2
PF / BACK
1
PF / BREQ
0
PG / CS0
4
PG / CS1
3
PG / CS2
2
PG / CS3
1
PG / CAS
0
P6 / CS7 / IRQ3
7
P6 / CS6 / IRQ2
6
P6 / IRQ1
5
P6 / IRQ0
4
P6 / TEND1
3
P6 / DREQ1
2
P6 / TEND0 / CS5
1
P6 / DREQ0 / CS4
0
This pin functions as the WDTOVF pin function in ZTAT, and masked ROM products, and in the H8S/2352.
Notes: 1.
In the H8S/2357F-ZTAT, the WDTOVF pin function is not available, because this pin is used as the FWE
pin.
In the H8S/2398, H8S/2394, H8S/2392, and H8S/2390, the WDTOVF pin function is not available,
because this pin is used as the V
2. In ROMless version, ROM is not supported.
Rev.6.00 Oct.28.2004 page 6 of 1016
REJ09B0138-0600H
1
) *
CL
Interrupt controller
ROM *
Port
F
RAM
Port
G
TPU
Port
6
PPG
Port 1
CL
Figure 1-1 Block Diagram
Port D Port E
H8S/2000 CPU
DTC
DMAC
2
WDT
8-bit timer
SCI
D/A converter
A/D converter
Port 2
pin.
PA / A / IRQ7
7 23
PA / A / IRQ6
6 22
PA / A / IRQ5
5 21
PA / A / IRQ4
Port
4 20
PA / A
A
3 19
PA / A
2 18
PA / A
1 17
PA / A
0 16
PB / A
7 15
PB / A
6 14
PB / A
5 13
Port PB / A
4 12
B PB / A
3 11
PB / A
2 10
PB / A
1 9
PB / A
0 8
PC / A
7 7
PC / A
6 6
PC / A
5 5
PC / A
Port
4 4
PC / A
C
3 3
PC / A
2 2
PC / A
1 1
PC / A
0 0
P3 / SCK1
5
P3 / SCK0
4
Port P3 / RxD1
3
3
P3 / RxD0
2
P3 / TxD1
1
P3 / TxD0
0
P5 / TxD2
0
Port
P5 / RxD2
1
5
P5 / SCK2
2
P5 / ADTRG
3
Port 4