7-6
BRC-300/300P
BRU-300/300P
IC
109
110
115
120
125
130
135
140
144
16-BIT MICROCOMPUTER
—TOP VIEW—
72
70
65
60
55
50
45
40
37
108
105
100
95
90
85
80
75
73
1
5
10
15
20
25
30
35 36
HD64F2377VFQ33V (HITACHI)
PIN
NO.
I/O
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
SIGNAL
PIN
NO.
I/O
SIGNAL
I
—
I/O
—
I/O
I/O
I/O
I/O
I/O
—
I/O
I/O
I/O
I/O
I/O
I/O
I/O
—
I/O
I/O
I/O
I/O
I/O
I/O
—
I/O
I/O
I/O
I/O
I/O
I/O
I
I/O
I/O
I/O
I/O
MD2
GND
P80/
IRQ0
1/
EDREQ2
V
CC
PC0/A0
PC1/A1
PC2/A2
PC3/A3
PC4/A4
GND
PC5/A5
PC6/A6
PC7/A7
PB0/A8
PB1/A9
PB2/A10
PB3/A11
GND
PB4/A12
PB5/A13
PB6/A14
PB7/A15
PA0/A16
PA1/A17
GND
PA2/A18
PA3/A19
PA4/A20/
IRQ4
1
PA5/A21/
IRQ5
1
PA6/A22/
IRQ6
1
PA7/A23/
IRQ7
1
EMLE
P81/
IRQ1
1/TXD3/
EDREQ3
P82/
IRQ2
1/
ETEND2
PH0/
CS4
/
RAS4
PH1/
CS5
/
RAS5
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
I/O
I/O
O
I
—
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
—
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I
I/O
I/O
I/O
I/O
I/O
I/O
I/O
—
I/O
—
PH2/
CS6
/
IRQ6
2
PH3/
CS7
/
IRQ7
2/
OE
1
WDTOVF
NMI
V
CC
P10/PO8/TIOCA0
P11/PO9/TIOCB0
P12/PO10/TIOCC0/TCLKA
P13/PO11/TIOCD0/TCLKB
P14/PO12/TIOCA1
P15/PO13/TIOCB1/TCLKC
P16/PO14/TIOCA2/
EDRAK2
P17/PO15/TIOCB2/TCLKD/
EDRAK3
GND
P20/PO0/TIOCA3/
IRQ8
1
P21/PO1/TIOCB3/
IRQ9
1
P22/PO2/TIOCC3/
IRQ10
1
P23/PO3/TIOCD3/TXD4/
IRQ11
1
P24/PO4/TIOCA4/RXD4/
IRQ12
1
P25/PO5/TIOCB4/
IRQ13
1
P26/PO6/TIOCA5/
IRQ14
1
P27/PO7/TIOCB5/
IRQ15
1
P83/
IRQ3
1/RXD3/
ETEND3
P84/
IRQ4
2/
EDACK2
P85/
IRQ5
2/SCK3/
EDACK3
DCTL
PE0/D0
PE1/D1
PE2/D2
PE3/D3
PE4/D4
PE5/D5
PE6/D6
GND
PE7/D7
V
CC
PIN
NO.
I/O
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
SIGNAL
PIN
NO.
I/O
SIGNAL
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
—
I
—
I/O
—
I
I
—
—
—
—
—
I
I/O
I/O
I/O
I/O
I/O
PD0/D8
PD1/D9
PD2/D10
PD3/D11
PD4/D12
PD5/D13
PD6/D14
PD7/D15
P60/TMRI0/
DREQ0
/
IRQ8
2
P61/TMRI1/
DREQ1
/
IRQ9
2
P62/TMCI0/
TEND0
/
IRQ10
2
PF0/
WAIT
PF1/
IRQ14
2/
UCAS
PF2/
IRQ15
2/
LCAS
PF3/
LWR
PF4/
HWR
PF5/
RD
PF6/
AS
PLLV
CC
RES
PLLPLLGND
PF7/SCLK
GND
XTAL
EXTAL
V
CC
V
CC
NC
NC
GND
STBY
P63/TMCI1/
TEND1
/
IRQ11
2
P64/TMO0/
DACK0
/
IRQ12
2
P65/TMO1/
DACK1
/
IRQ13
2
PG0/
CS0
PG1/
CS1
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
I/O
I/O
—
I
I
I
I
I
I
I
I/O
I/O
I
I
I
I
I/O
I/O
I/O
I/O
—
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I
I
PG2/
CS2
/
RAS2
/
RAS
PG3/
CS3
/
RAS3
AV
CC
VREF
P40/AN0
P41/AN1
P42/AN2
P43/AN3
P44/AN4
P45/AN5
P46/AN6/DA0
P47/AN7/DA1
P90/AN8
P91/AN9
P92/AN10
P93/AN11
P94/AN12/DA2
P95/AN13/DA3
P96/AN14/DA4
P97/AN15/DA5
AAGND
PG4/
BREQO
PG5/
BACK
PG6/
BREQ
P50/TXD2/
IRQ0
2
P51/RXD2/
IRQ1
2
P52/SCK2/
IRQ2
2
P53/
ADTRG
/
IRQ3
2
P35/SCK1/SCL0/
OE
2
P34/SCK0/SCK4/SDA0
P33/RXD1/SCL1
P32/RXD0/IRRXD/SDA1
P31/TXD1
P30/TXD0/IRTXD
MD0
MD1
INPUTS
ADTRG
AN0 - AN11
AN0 - AN15
BREQ
DCTL
DREQ0
,
DREQ1
EDREQ2
,
EDREQ3
EMLE
EXTAL
IRQ0
1 -
IRQ15
1,
IRQ0
2 -
IRQ15
2
IRRXD
MD0 - MD2
NMI
P40 - P45
P90 - P93
RES
RXD0 - RXD3
STBY
TCLKA - TCLKD
TMCI0, TMCI1
TMRI0, TMRI1
VREF
WAIT
OUTPUTS
A0 - A23
AS
CS0
-
CS7
DA0 - DA5
DACK0
,
DACK1
EDACK2
,
EDACK3
EDRAK2
-
EDRAK3
ETEND2
,
ETEND3
HWR
IRTXD
LCAS
LWR
OE
1,
OE
2
PO0 - PO15
RAS4
,
RAS5
RD
TEND0
,
TEND1
TMO0, TMO1
TXD0 - TXD3
UCAS
WDTOVF
: EXTERNAL TRIGGER INPUT FOR STARTING A/D CONVERSION
: ANALOG SIGNAL
: ANALOG
: BUS REQUEST
: SDRAM INTERFACE CONTROL (CONNECT TO LOW)
: DMA REQUEST
: EXDMA TRANSFER REQUEST
: ON-CHIP EMULATOR ENABLE
: CRYSTAL OSCILLATOR AND EXTERNAL CLOCK
: MASKABLE EXTERNAL INTERRUPTS
: INTERRUPT REQUEST RECEIVE DATA
: MODE SELECT
: NON-MASKABLE EXTERNAL INTERRUPT
: PORT 4
: PORT 9
: POWER ON RESET
: RECEIVE DATA
: STANDBY
: EXTERNAL CLOCK
: EXTERNAL CLOCK FOR COUNTER
: EXTERNAL RESET TO COUNTER
: REFERENCE VOLTAGE
: WAIT
: ADDRESS BUS
: ADDRESS STROBE
: CHIP SELECT
: D/A CONVERTER ANALOG OUTPUT
: DMA TRANSFER ACKNOWLEDGE
: EXDMA TRANSFER ACKNOWLEDGE
: EDREQ ACCEPTANCE ACKNOWLEDGE
: EXDMA TRANSFER END
: HIGH WRITE
: INTERRUPT REQUEST TRANSMIT DATA
: LOWER COLUMN ADDRESS STROBE
: LOW WRITE
: OUTPUT ENABLE
: PULSE
: ROW ADDRESS STROBE
: READ
: DMA TRANSFER END
: COMPARE MATCH
: TRANSMIT DATA
: UPPER COLUMN ADDRESS STROBE
: WATCHDOG TIMER OVERFLOW