Rev. 6.00, 08/04, page 7 of 628
1.2
Internal Block Diagram
Figure 1.1(1) shows a block diagram of the H8/38024 Group and H8/38024S Group.
Figure 1.1(2) shows a block diagram of the H8/38124 Group.
Sub clock
OSC
H8/300L
CPU
RAM
(512 bytes to 1 Kbyte)
System clock
OSC
ROM
(8 Kbytes to 32 Kbytes)
Timer A
Timer C
Timer F
Timer G
Asynchronous
counter
(16 bits)
A/D
(10 bits)
Serial
communication
interface
(SCI3)
10-bit PWM1
10-bit PWM2
LCD
controller
Large-current (25 mA/pin) high-voltage open-drain pin (7 V)
Large-current (10 mA/pin) (H8/38024S Group only)
Large-current (10 mA/pin) high-voltage open-drain pin (7 V)
Large-current (10 mA/pin) (H8/38024S Group only)
High-voltage (7 V) input pin (Except for H8/38024S Group)
Port A
PA
3
/COM
4
PA
2
/COM
3
PA
1
/COM
2
PA
0
/COM
1
P7
7
/SEG
24
P7
6
/SEG
23
P7
5
/SEG
22
P7
4
/SEG
21
P7
3
/SEG
20
P7
2
/SEG
19
P7
1
/SEG
18
P7
0
/SEG
17
P8
7
/SEG
32
P8
6
/SEG
31
P8
5
/SEG
30
P8
4
/SEG
29
P8
3
/SEG
28
P8
2
/SEG
27
P8
1
/SEG
26
P8
0
/SEG
25
P6
0
/SEG
9
P6
1
/SEG
10
P6
2
/SEG
11
P6
3
/SEG
12
P6
4
/SEG
13
P6
5
/SEG
14
P6
6
/SEG
15
P6
7
/SEG
16
P4
0
/SCK
32
P4
1
/RXD
32
P4
2
/TXD
32
P4
3
/
IRQ
0
OSC
1
OSC
2
x
1
x
2
P1
3
/TMIG
P1
4
/
IRQ
4
/
ADTRG
P1
6
P1
7
/
IRQ
3
/TMIF
P3
0
/UD
P3
1
/TMOFL
P3
2
/TMOFH
P3
3
P3
4
P3
5
P3
6
/AEVH
P3
7
/AEVL
P5
0
/
WKP
0
/SEG
1
P5
1
/
WKP
1
/SEG
2
P5
2
/
WKP
2
/SEG
3
P5
3
/
WKP
3
/SEG
4
P5
4
/
WKP
4
/SEG
5
P5
5
/
WKP
5
/SEG
6
P5
6
/
WKP
6
/SEG
7
P5
7
/
WKP
7
/SEG
8
PB
7
/AN
7
PB
6
/AN
6
PB
5
/AN
5
PB
4
/AN
4
PB
3
/AN
3
/
IRQ
1
/TMIC
PB
2
/AN
2
PB
1
/AN
1
PB
0
/AN
0
V
1
V
2
V
3
IRQAEC
P9
5
P9
4
P9
3
P9
2
P9
1
/PWM
2
P9
0
/PWM
1
AV
CC
WDT
V
SS
V
SS
= AV
SS
V
CC
RES
TEST
Port 9
Port 8
Port 7
LCD power
supply
Port B
Port 6
Port 5
Port 4
Port 3
Port 1
Note: If the on-chip emulator is used, pins 95,
33, 34, and 35 are reserved for the
emulator and not available to the user.
Figure 1.1(1) Block Diagram (H8/38024 Group, H8/38024S Group)
Summary of Contents for H8/38024 Series
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Page 661: ...H8 38024 H8 38024S H8 38024F ZTAT H8 38124 Group Hardware Manual...