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3C44B0 Schematic ( PDF Datasheet ) - Samsung semiconductor

Teilenummer 3C44B0
Beschreibung RISC MICROPROCESSOR
Hersteller Samsung semiconductor
Logo Samsung semiconductor Logo 




Gesamt 30 Seiten
3C44B0 Datasheet, Funktion
S3C44B0X RISC MICROPROCESSOR
PRODUCT OVERVIEW
1 PRODUCT OVERVIEW
www.DataSheeINt4UT.cRomODUCTION
SAMSUNG's S3C44B0X 16/32-bit RISC microprocessor is designed to provide a cost-effective and high performance
micro-controller solution for hand-held devices and general applications. To reduce total system cost, S3C44B0X
also provides the following: 8KB cache, optional internal SRAM, LCD controller, 2-channel UART with handshake, 4-
channel DMA, System manager (chip select logic, FP/ EDO/SDRAM controller), 5-channel timers with PWM, I/O
ports, RTC, 8-channel 10-bit ADC, IIC-BUS interface, IIS-BUS interface, Sync. SIO interface and PLL for clock.
The S3C44B0X was developed using a ARM7TDMI core, 0.25 um CMOS standard cells, and a memory compiler. Its
low-power, simple, elegant and fully static design is particularly suitable for cost-sensitive and power sensitive
applications. Also S3C44B0X adopts a new bus architecture, SAMBA II (SAMSUNG ARM CPU embedded
Microcontroller Bus Architecture).
An outstanding feature of the S3C44B0X is its CPU core, a 16/32-bit ARM7TDMI RISC processor (66MHz) designed
by Advanced RISC Machines, Ltd. The architectural enhancements of ARM7TDMI include the Thumb de-
compressor, an on-chip ICE breaker debug support, and a 32-bit hardware multiplier.
By providing a complete set of common system peripherals, the S3C44B0X minimizes overall system costs and
eliminates the need to configure additional components. The integrated on-chip functions that are described in this
document are as follows:
2.5V Static ARM7TDMI CPU core with 8KB cache . (SAMBA II bus architecture up to 66MHz)
External memory controller. (FP/EDO/SDRAM Control, Chip Select logic)
LCD controller (up to 256 color DSTN) with 1-ch LCD-dedicated DMA.
2-ch general DMAs / 2-ch peripheral DMAs with external request pins
2-ch UART with handshake(IrDA1.0, 16-byte FIFO) / 1-ch SIO
1-ch multi-master IIC-BUS controller
1-ch IIS-BUS controller
5-ch PWM timers & 1-ch internal timer
Watch Dog Timer
71 general purpose I/O ports / 8-ch external interrupt source
Power control: Normal, Slow, Idle, and Stop mode
8-ch 10-bit ADC.
RTC with calendar function.
On-chip clock generator with PLL.
1-1






3C44B0 Datasheet, Funktion
PRODUCT OVERVIEW
PIN ASSIGNMENTS
S3C44B0X RISC MICROPROCESSOR
www.DataSheet4U.com
DATA13
DATA12
DATA11
DATA10
VDDIO
VSSIO
DATA9
DATA8
DATA7
DATA6
DATA5
DATA4
DATA3
DATA2
DATA1
DATA0
ADDR24/GPA9
VDD
VSS
ADDR23/GPA8
ADDR22/GPA7
ADDR21/GPA6
ADDR20/GPA5
ADDR19/GPA4
ADDR18/GPA3
ADDR17/GPA2
ADDR16/GPA1
ADDR15
ADDR14
ADDR13
ADDR12
VSSIO
ADDR11
ADDR10
ADDR9
ADDR8
ADDR7
ADDR6
ADDR5
ADDR4
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
S3C44B0X
160-QFP
80 AIN5
79 AIN4
78 AIN3
77 AIN2
76 AIN1
75 AIN0
74 VSSADC
73 VSSIO
72 TOUT4/VD7/GPE7
71 TOUT3/VD6/GPE6
70 TOUT2/TCLK/GPE5
69 TOUT1/TCLK/GPE4
68 TOUT0/GPE3
67 EXTCLK
66 PLLCAP
65 EXTAL0
64 XTAL0
63 VSS
62 VDD
61 IICSCL/GPF0
60 IICSDA/GPF1
59 SIOTxD/nRTS1/IISLRCK/GPF5
58 SIORDY/TxD1/IISDO/GPF6
57 SIORxD/RxD1/IISDI/GPF7
56 SIOCLK/nCTS1/IISCLK/GPF8
55 ENDIAN/CODECLK/GPE8
54 OM3
53 OM2
52 OM1
51 OM0
50 nRESET
49 CLKout/GPE0
48 VSSIO
47 VDDIO
46 TDO
45 TDI
44 TMS
43 TCK
42 nTRST
41 ExINT7/IISLRCK/GPG7
Figure 1-2. S3C44B0X Pin Assignments (160 LQFP)
1-6

6 Page









3C44B0 pdf, datenblatt
PRODUCT OVERVIEW
S3C44B0X RISC MICROPROCESSOR
Table 1-1. 160-Pin LQFP Pin Assignment (Continued)
Pin Pin Name
No.
99 RxD0/GPE2
100 TxD0/GPE1
101 DATA31/nCTS0/GPC15
102 DATA30/nRTS0/GPC14
www.DataSh1ee0t34U.cDomATA29/RxD1/GPC13
104 DATA28/TxD1/GPC12
105 DATA27/nCTS1/GPC11
106 DATA26/nRTS1/GPC10
107 DATA25/nXDREQ1/GPC9
108 DATA24/nXDACK1/GPC8
109 VDD
110 VSS
111 DATA23/VD4/GPC7
112 DATA22/VD5/GPC6
113 DATA21/VD6/GPC5
114 DATA20/VD7/GPC4
115 DATA19/IISCLK/GPC3
116 DATA18/IISDI/GPC2
117 DATA17/IISDO/GPC1
118 DATA16/IISLRCK/GPC0
119 DATA15
120 DATA14
121 DATA13
122 DATA12
123 DATA11
124 DATA10
125 VDDIO
126 VSSIO
127 DATA9
128 DATA8
129 DATA7
130 DATA6
Default
Function
GPE2
GPE1
DATA31
DATA30
DATA29
DATA28
DATA27
DATA26
DATA25
DATA24
VDD
VSS
DATA23
DATA22
DATA21
DATA20
DATA19
DATA18
DATA17
DATA16
DATA15
DATA14
DATA13
DATA12
DATA11
DATA10
VDDIO
VSSIO
DATA9
DATA8
DATA7
DATA6
I/O State
@BUS REQ.
Hi-z/IO
Hi-z/IO
Hi-z
Hi-z
I/O State
@STOP
Hi-z/IO
Hi-z/IO
Hi-z
Hi-z
I/O State
@Initial
IO
I(Hi-z)
P
I(Hi-z)
I(Hi-z)
P
I(Hi-z)
I/O TYPE
phbsu50ct8sm
phbsu50ct12sm
vdd2i
vss2i
phbsu50ct12sm
vdd3op
vss3op
phbsu50ct12sm
1-12

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