2-15
BVP-900
BVP-900P
IC
ADTRG
AN0 - AN7
BREQ
DREQ0, 1
EXTAL
IRQ0 - IRQ7
LBS
MD0 - MD2
NMI
RES
RXD0, 1
TCLKA - TCLKD
WAIT
WR
WRH
WRL
XTAL
A/D CONVERSION TRIGGER
ANALOG
BUS REQUEST
DMA REQUEST
CRYSTAL OSCILLATION OR EXTERNAL CLOCK
MASKABLE INTERRUPT REQUEST
LOW BYTE STROBE
MODE CONTROL
NON-MASKABLE INTERRUPT REQUEST
RESET
RECEIVE DATA
ITU TIMER CLOCK
WAIT
WRITE
HIGH ORDER WRITE
LOW ORDER WRITE
CRYSTAL OSCILLATION
A0 (HBS) - A21
AH
BACK
CASH
CASL
CK
CS0 - CS7
DACK0, 1
IRQOUT
RAS
RD
TOCXA4
TOCXB4
TP0 - TP15
TXD0, 1
WDTOVF
ADDRESS BUS
ADDRESS HOLD
BUS REQUEST ACKNOWLEDGE
HIGH ORDER COLUMN ADDRESS STROBE
LOW ORDER COLUMN ADDRESS STROBE
SYSTEM CLOCK
CHIP SELECT
DMA ACKNOWLEDGE
SLAVE INTERRUPT REQUEST
ROW ADDRESS STROBE
READ
ITU OUTPUT COMPARE A (CH4)
ITU OUTPUT COMPARE B (CH4)
TIMING PATTERN
TRANSMISSION DATA
WATCHDOG TIMER OVERFLOW
AD0 - AD15
DPH
DPL
PA0 - PA15
PB0 - PB15
PC0 - PC7
SCK0, 1
TIOCA0 - TIOCA4
TIOCB0 - TIOCB4
DATA BUS
HIGH ORDER DATA BUS PARITY
LOW ORDER DATA BUS PARITY
PORT A
PORT B
PORT C
SERIAL CLOCK
ITU INPUT CAPTURE/OUTPUT COMPARE A (CH0 - 4)
ITU INPUT CAPTURE/OUTPUT COMPARE B (CH0 - 4)
INPUT
OUTPUT
INPUT/OUTPUT
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NMI
MD0
MD1
MD2
WDT
O
VF
RES
DIRECT
MEMOR
Y
A
CCESS
CONTR
OLLER
ADDRESS B
U
S
D
A
T
A
B
US (LO
W)
D
A
T
A
B
US (HIGH)
B
US ST
A
TE
CONTR
OLLER
INTERR
UPT
CONTR
OLLER
USER BREAK
CONTR
OLLER
RAM
8K BYTES
CPU
SERIAL
COMMUNICA
TION
INTERF
A
CE
(2 CHANNEL)
PR
OGRAMMABLE
TIMING
P
A
TTERN
CONTR
OLLER
PC7/AN7
PC6/AN6
PC5/AN5
PC4/AN4
PC3/AN3
PC2/AN2
PC1/AN1
PC0/AN0
P
O
RT C
P
O
RT B
AD0
AD1
AD2
AD3
AD4
AD5
AD6
AD7
AD8
AD9
AD10
AD1
1
AD12
AD13
AD14
AD15
A0 (HSB)
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A1
1
A12
A13
A14
A15
DATA/ADDRESS
ADDRESS
PB15/TP15/IRQ7
PB14/TP14/IRQ6
PB13/TP13/IRQ5/SCK1
PB12/TP12/IRQ4/SCK0
PB11/TP11/TXD1
PB10/TP10/RXD1
PB9/TP9/TXD0
PB8/TP8/RXD0
PB7/TP7/TOCXB4/TCLKC
PB6/TP6/TOCXA4/TCLKC
PB5/TP5/TIOCB4
PB4/TP4/TIOCA4
PB3/TP3/TIOCB3
PB2/TP2/TIOCA3
PB1/TP1/TIOCB2
PB0/TP0/TIOCA2
PA15/IRQ3/DREQ1
PA14/IRQ2/DACK1
PA13/IRQ1/DREQ0/TCLKB
PA12/IRQ0/DACK0/TCLKA
PA11/DPH/TIOCB1
PA10/DPL/TIOCA1
PA9/AH/IRQOUT/ADTRG
PA8/BREQ
PA7/BACK
PA5/RD
PA5/WRH (LBS)
PA4/WRL (WR)
PA3/CS7/WAIT
PA2/CS6/TIOCB0
PA1/CS5/RAS
PA0/CS4/TIOCA0
CS3/CASL
CS2
CS1/CASH
CS0
A21
A20
A19
A18
A17
A16
P
O
RT A
ADDRESS
OSC.
ADDRESS BUS (24-BIT)
DATA BUS (16-BIT)
A/D
CONVER
TER
W
A
TCH
DOG
TIMER
16-BIT
INTEGRA
TED
TIMER PULSE
UNIT
XT
AL
EXT
AL
CK
95
94
93
92
90
89
88
87
2
1
112
111
110
109
108
107
105
104
103
102
101
100
98
97
4
5
6
7
8
9
10
11
13
14
16
17
18
19
20
21
23
24
25
26
27
28
29
30
32
33
34
35
36
37
38
39
51
50
49
48
47
46
45
44
42
41
69
68
67
66
65
64
63
62
60
59
58
57
56
55
54
53
74
73
71
76
80
81
82
78
79
Summary of Contents for BVP-900 Series
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