8
CHAPTER 1 OVERVIEW
MB89620 series
1.
4
MB89620 Series Block Diagram
Figure 1.4 shows the block diagram of the MB89620 series.
n
MB89620 Series Block Diagram
Figure 1.4 MB89620 Series Block Diagram
CMOS output port
N-ch open-drain I/O port
N-ch open-drain output port
CMOS I/O port
Oscillator
Clock controller
Reset circuit
(Watchdog timer)
P
o
rt
s
0
a
n
d
1
P
o
rt
2
RAM
F
2
MC-8L
CPU
ROM
Other pins
V
CC
, V
SS
×
2
In
te
rn
a
l
d
a
ta
b
u
s
20-bit timebase
8-bit PWM timer
8-bit pulse width
count timer
16-bit timer/counter
8-bit serial I/O-1
P
o
rt
3
CMOS I/O port
8-bit serial I/O-2
Buzzer output
P
o
rt
4
P
o
rt
5
8-bit A/D converter
External interrupt
P
o
rt
6
Input-only port
*: CLKO output function (MB89628R, MB89629R, and MB89P629 only)
X0
X1
RST
P00/AD0
to P07/AD7
P10/A08
to P17/A15
MOD0
MOD1
P27/ALE
P26/RD
P25/WR
P24/CLK
P23/RDY
P22/HRQ
P21/HAK
P20/BUFC
P37/PTO
P36/WTO
P35/PWC
P34/EC
P33/SI1
P32/SO1
P31/SCK1
P30/ADST
/(CLKO) *
P47/SI2
P46/SO2
P45/SCK2
P44/BZ
P40 to P43
4
8
8
4
4
P50/AN0
to P57/AN7
P60/INT0
to P63/INT3
P64
AVR
AV
CC
AV
SS
(wake-up)
8
8
timer
External bus
interface
(External bus
mode)
Summary of Contents for F2MC-8L MB89620 Series
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Page 30: ...MB89620 series CHAPTER 1 OVERVIEW 9 Memo ...
Page 34: ...MB89620 series CHAPTER 1 OVERVIEW 13 Memo ...
Page 42: ...MB89620 series CHAPTER 1 OVERVIEW 21 Memo ...
Page 49: ...28 CHAPTER 1 OVERVIEW MB89620 series ...
Page 62: ...MB89620 series CHAPTER 3 CPU 41 Memo ...
Page 78: ...MB89620 series CHAPTER 3 CPU 57 Memo ...
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Page 96: ...MB89620 series CHAPTER 3 CPU 75 Memo ...
Page 122: ...MB89620 series CHAPTER 4 I O PORTS 101 Memo ...
Page 144: ...MB89620 series CHAPTER 5 TIMEBASE TIMER 123 Memo ...
Page 149: ...128 CHAPTER 5 TIMEBASE TIMER MB89620 series ...
Page 157: ...136 CHAPTER 6 WATCHDOG TIMER MB89620 series ...
Page 174: ...MB89620 series CHAPTER 7 8 BIT PWM TIMER 153 Memo ...
Page 177: ...156 CHAPTER 7 8 BIT PWM TIMER MB89620 series ...
Page 202: ...MB89620 series CHAPTER 9 16 BIT TIMER COUNTER 181 Memo ...
Page 217: ...196 CHAPTER 9 16 BIT TIMER COUNTER MB89620 series ...
Page 220: ...MB89620 series CHAPTER 10 8 BIT SERIAL I O SERIAL I O 1 AND SERIAL I O 2 199 Memo ...
Page 228: ...MB89620 series CHAPTER 10 8 BIT SERIAL I O SERIAL I O 1 AND SERIAL I O 2 207 Memo ...
Page 245: ...224 CHAPTER 10 8 BIT SERIAL I O SERIAL I O 1 AND SERIAL I O 2 MB89620 series ...
Page 266: ...MB89620 series CHAPTER 13 A D CONVERTER 245 13 Memo ...
Page 283: ...262 CHAPTER 13 A D CONVERTER MB89620 series ...
Page 289: ...268 CHAPTER 14 CLOCK MONITOR FUNCTION MB89620 series ...
Page 306: ...MB89620 series APPENDIX 285 APPEND Memo ...
Page 319: ...298 APPENDIX MB89620 series Memo ...
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