RDC R8820I

RDC ®
R8820I
RISC DSP Communication
16-Bit RISC Microcontroller
R8820I
Brief Sheet
16-BIT RISC MICRO CONTROLLER
Specifications subject to change without notice, contact your sales representatives for the most update information.
Page
1
of
9
REV 1.0
May. 31 2007
RDC ®
R8820I
RISC DSP Communication
16-Bit RISC Microcontroller
1. Features
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- The interrupt controller with seven maskable
CPU Core
- RDC’s proprietary RISC architecture
external interrupts and one non-maskable
- Five-stage pipeline
external interrupt
- CPU clock speed up to 25 MHz
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- Supports CPU ID
- Programmable chip-select logic for memory or
- Supports 32 PIO pins
I/O bus cycle decoder
- Static & synthesizable design
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Bus Interface
- A multiplexed address and data bus which is
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Programmable Wait-state Generators
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Counter/Timers
compatible with the 80C186 microprocessor
- Three independent 16-bit timers and one
independent watchdog timer
- Supports a non-multiplexed address bus A[19:0]
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ROM/RAM Controller and Addressing Space
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- 1M-byte memory address space
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- I/O voltage: 5V ± 10%
auto-refresh control
Two Independent DMA Channels
- Supports serial ports with DMA transfers
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Operating Temperature: -40 ~ +85°C
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Package Type
- 100-pin PQFP
- 100-pin LQFP
Asynchronous Serial Channels
- Supports two asynchronous serial channels with
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hardware handshaking signals
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Operating Voltage Range
- Core voltage: 5V ± 5%
PSRAM Interface
- PSRAM (Pseudo static RAM) interface with
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Software is compatible with the 80C186
microprocessor
- 64K-byte I/O space
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Programmable Chip-select Logic
A Green Product
Interrupt Controller
Specifications subject to change without notice, contact your sales representatives for the most update information.
Page
2
of
9
REV 1.0
May. 31 2007
RDC ®
R8820I
RISC DSP Communication
16-Bit RISC Microcontroller
2. Block Diagram
INT2/INTA0_n
INT1/SELECT_n
CLKOUTA
INT3/INTA1_n/IRQ
CLKOUTB INT6~4
X1
VCC
GND
X2
Clock and
Power
Management
TMROUT0 TMROUT1
TMRIN0
TMRIN1
INT0 NMI
Interrupt
Control Unit
Timer Control
Unit
DRQ0
DRQ1
DMA
Unit
RST_n
LCS_n/ONCE0_n
MCS3_n/RFSH_n
Chip
Select
Unit
MCS[2:0]
Instruction
Queue (64bits)
UCS_n/ONCE1_n
PSRAM
Control
Unit
PCS3_n~PCS0_n
PCS5_n/A1
PCS6_n/A2
Refresh
Control
Unit
ARDY
SRDY
S2_n~S0_n
DT/R_n
DEN_n
Instruction
Decoder
Micro
ROM
PIO
Unit
PIO[31:0]
Control Signal
Register
File
General,
Segment,
Eflag Register
EA / LA
Address
RTS0_n/RTR0_n
Asynchronous Serial
Port0
CTS0_n/ENRX0_n
TXD0
RXD0
RTS1_n/RTR1_n
Bus
Interface
Unit
HOLD
HLDA
S6/CLKDIV2_n
UZI_n
A[19:0]
AD[15:0]
ALE
ALU
Execution
Unit
(Special,
Logic,
Adder,
BSF)
Asynchronous Serial
Port1
CTS1_n/ENRX1_n
TXD1
RXD1
RD_n
WHB_n
WLB_n
WR_n
BHE_n/ADEN_n
Specifications subject to change without notice, contact your sales representatives for the most update information.
Page
3
of
9
REV 1.0
May. 31 2007
RDC ®
R8820I
RISC DSP Communication
16-Bit RISC Microcontroller
3. PIN Placement
AD10
AD2
AD9
82
81
84
83
AD11
AD3
85
AD12
AD4
86
AD5
88
87
AD13
GND
91
89
AD6
92
90
AD14
VCC
93
AD15
AD7
96
94
S6/CLKDIV2_n/PIO29
98
95
TXD1/PIO27
UZI_n/PIO26
99
97
CTS0_n/ENRX0_n/PIO21
RXD1/PIO28
100
PQFP 100 pins
RXD0/PIO23
1
80
AD1
TXD0/PIO22
2
79
AD8
3
78
AD0
4
77
DRQ0/INT5/PIO12
WR_n
5
76
DRQ1/INT6/PIO13
RD_n
6
75
TMRIN0/PIO11
ALE
7
74
TMROUT0/PIO10
ARDY
8
73
TMROUT1/PIO1
S2_n
9
72
TMRIN1/PIO0
S1_n
10
71
RST_n
S0_n
11
70
GND
GND
12
69
MCS3_n/RFSH_n/PIO25
X1
13
68
MCS2_n/PIO24
67
VCC
66
PCS0_n/PIO16
RTS0_n/RTR0_n/PIO20
BHE_n/ADEN_n
X2
14
VCC
15
CLKOUTA
16
65
PCS1_n/PIO17
CLKOUTB
17
64
GND
R8820I
48
49
50
MCS0_n/PIO14
MCS1_n/PIO15
DEN_n/PIO5
51
DT/R_n/PIO4
30
46
A9
47
INT4/PIO30
NMI
INT3/INTA1_n/IRQ
52
SRDY/PIO6
53
29
45
28
A10
HOLD
A11
44
INT2/INTA0_n/PIO31
43
INT1/SELECT_n
54
HLDA
55
27
WLB_n
26
A12
42
A13
WHB_n
INT0
41
56
40
25
A0
UCS_n/ONCE1_n
A14
GND
LCS_n/ONCE0_n
57
39
58
24
38
23
A15
A1
A16
VCC
PCS6_n/A2/PIO2
37
59
A2
22
36
PCS5_n/A1/PIO3
A17/PIO7
35
60
A3
21
A4
VCC
VCC
34
61
33
20
A5
PCS3_n/RTS1_n/RTR1_n/PIO19
A18/PIO8
A6
PCS2_n/CTS1_n/ENRX1_n/PIO18
62
31
63
19
32
18
A7
GND
A19/PIO9
A8
3.1
Specifications subject to change without notice, contact your sales representatives for the most update information.
Page 4 of 9
REV 1.0
May. 31 2007
RDC ®
16-Bit RISC Microcontroller
INT1/SELECT_n
INT2/INTA0_n/PIO31
INT3/INTA1_n/IRQ
78
77
76
UCS_n/ONCE1_n
INT0
79
LCS_n/ONCE0_n
81
80
PCS5_n/A1/PIO3
PCS6_n/A2/PIO2
VCC
84
82
PCS3_n/RTS1_n/RTR1_n/PIO19
85
83
GND
PCS2_n/CTS1_n/ENRX1_n/PIO18
86
PCS1_n/PIO17
MCS3_n/RFSH_n/PIO25
87
GND
92
PCS0_n/PIO16
RST_n
93
88
TMRIN1/PIO0
94
89
TMROUT1/PIO1
95
MCS2_n/PIO24
TMROUT0/PIO10
96
VCC
TMRIN0/PIO11
97
90
DRQ1/INT6/PIO13
98
91
DRQ0/INT5/PIO12
99
LQFP 100 pins
100
3.2
R8820I
RISC DSP Communication
AD0
1
75
AD8
2
74
AD1
3
73
MCS0_n/PIO14
AD9
4
72
DEN_n/PIO5
INT4/PIO30
MCS1_n/PIO15
AD2
5
71
DT/R_n/PIO4
AD10
6
70
NMI
AD3
7
69
SRDY/PIO6
AD11
8
68
HOLD
AD4
9
67
HLDA
AD12
10
66
WLB_n
AD5
11
65
WHB_n
GND
12
64
GND
AD13
13
63
A0
AD6
14
62
A1
VCC
15
61
VCC
AD14
16
60
A2
AD7
17
59
A3
AD15
18
58
A4
S6/CLKDIV2_n/PIO29
19
57
A5
UZI_n/PIO26
20
56
A6
TXD1/PIO27
21
55
A7
RXD1/PIO28
22
54
A8
CTS0_n/ENRX0_n/PIO21
23
53
A9
RXD0/PIO23
24
52
A10
TXD0/PIO22
25
51
A11
41
42
43
44
45
46
47
48
49
50
A18/PIO8
VCC
A17/PIO7
A16
A15
A14
A13
A12
36
X1
GND
35
GND
A19/PIO9
34
S0_n
40
33
S1_n
CLKOUTB
32
S2_n
39
31
ARDY
CLKOUTA
30
ALE
38
29
RD_n
37
28
WR_n
X2
27
BHE_n/ADEN_n
VCC
26
RTS0_n/RTR0_n/PIO20
R8820I
Specifications subject to change without notice, contact your sales representatives for the most update information.
Page 5 of 9
REV 1.0
May. 31 2007
RDC ®
R8820I
RISC DSP Communication
16-Bit RISC Microcontroller
4. Package Information
4.1 PQFP 100 pins
D
23.20
0.20
D1 20.00
0.10
0.20
E
17.20
0.10
E1 14.00
"A"
"A"
0.65 BSC
0.10
0.25 MIN
A1
SEATING
PLANE
c
0.25~0.38
7 TYP
15 TYP
1.60 REF
L1
A2
2.85 0.12
DETAIL A
3.40 Max.
L
0.88 0.15
0.25
DETAIL A
UNIT:mm
Specifications subject to change without notice, contact your sales representatives for the most update information.
Page 6 of 9
REV 1.0
May. 31 2007
RDC ®
R8820I
RISC DSP Communication
16-Bit RISC Microcontroller
4.2 LQFP 100 pins
16.00
0.15
14.00
0.10
25
51
50
0.127(TYP)
26
0.15
75
16.00
1
0.10
76
14.00
100
0.50(TYP)
0.22
0.05
"A"
0 ~ 7
0.10
0.60
0.2S(TYP)
GAUGE PLANE
1.40
0.05
0.08(MAX)
0.05
1.60(MAX)
Sealing Plane
0.15
1.00(REF)
UNIT:mm
Specifications subject to change without notice, contact your sales representatives for the most update information.
Page 7 of 9
REV 1.0
May. 31 2007