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參數(shù)資料
| 型號： | S3C2800 |
| 廠商： | SAMSUNG SEMICONDUCTOR CO. LTD. |
| 元件分類： | 32位微控制器 |
| 英文描述： | 32-BIT RISC MICROPROCESSOR |
| 中文描述： | 32位RISC微處理器 |
| 文件頁數(shù)： | 8/22頁 |
| 文件大?。?/td> | 119K |
| 代理商： | S3C2800 |
S3C2800 MICROCONTROLLER
DATA SHEET
6
PIN ASSIGNMENTS
Table 1. Pin Assignment Description
I/O Type
Descriptions
vdd1ih, vss3I
vdd1ih_pci, vss3I_pci
vdd1t_abb, vss1t_abb
vdd3op, vss3op
vdd3op_pci, vss3op_pci
poar50_abb
phsoscm16
phsosck17
Phis
Phisu
1.8V power/ground for internal logic
1.8V power/ground for analog circuitry
3.3V power/ground for external interface logic
1.8V analog output (A capacitor is connected between the pin and analog ground)
Oscillator cell width enable and feedback resistor (6 M – 40 MHz)
Oscillator cell width enable and feedback resistor (– 100 kHz)
3.3V interface LVCMOS schmitt trigger level input buffers
3.3V interface LVCMOS schmitt trigger level input buffers with 100 K
pull-up
resistor.
3.3V LVCMOS normal output buffers, Io = 8 mA
3.3V LVCMOS normal output buffers with medium slew-rate, Io = 8 mA
3.3V LVCMOS tri-state output buffers, Io = 8 mA
3.3V LVCMOS normal output buffers, Io = 12 mA
3.3V open-drain bi-directional buffers with 100 K
pull-up resistor. Io=4mA
3.3V bi-directional pad, LVCMOS schmitt trigger, open-drain, 50 K
pull-up
resistor with control, tri-state, Io = 4 mA
3.3V bi-directional pad, LVCMOS schmitt trigger, 50 K
pull-up resistor with
control, tri-state, Io = 8 mA
3.3V bi-directional pad, LVCMOS schmitt trigger, 50 K
pull-up resistor with
control, tri-state, Io = 12 mA
3.3V input buffer
3.3V output buffer with tri-state
3.3V bi-directional buffer with input and tri-state output
3.3V bi-directional buffer with input and open-drain output, tri-state
phob8
phob8sm
phot8
phob12
phbsud4
phbsu50cd4sm
phbsu50ct8sm
phbsu50ct12sm
ptipci
ptopci
ptbpci
ptbdpci
NOTES:
1. ENDIAN value is latched only at the rising edge of nRESET: when nRESET is Low, the ENDIAN (GPC3) pin operates in
input mode; nRESET becomes High, the ENDIAN pin will automatically switch to output mode.
2. IICSDA, IICSCLK, PCI_nSERR, and PCI_nINTA pins are of open-drain type.
3. AI/AO means analog input/output.
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