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| 型號(hào)： | 935270019512 |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 2 CHANNEL(S), 5M bps, SERIAL COMM CONTROLLER, PQCC44 |
| 封裝： | PLASTIC, MS-018, SOT-187-2, LCC-44 |
| 文件頁(yè)數(shù)： | 22/51頁(yè) |
| 文件大?。?/td> | 667K |
| 代理商： | 935270019512 |
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Philips Semiconductors
SC16C2550
Dual UART with 16 bytes of transmit and receive FIFOs
and infrared (IrDA) encoder/decoder
Product data
Rev. 02 — 14 March 2003
29 of 47
9397 750 11204
Koninklijke Philips Electronics N.V. 2003. All rights reserved.
7.11 SC16C2550 external reset condition
8.
Limiting values
Table 22:
Reset state for registers
Register
Reset state
IER
IER[7-0] = 0
FCR
FCR[7-0] = 0
ISR
ISR[7-1] = 0; ISR[0] = 1
LCR
LCR[7-0] = 0
MCR
MCR[7-0] = 0
LSR
LSR[7] = 0; LSR[6-5] = 1; LSR[4-0] = 0
MSR
MSR[7-4] = input signals; MSR[3-0] = 0
SPR
SFR[7-0] = 1
DLL
DLL[7-0] = X
DLM
DLM[7-0] = X
Table 23:
Reset state for outputs
Output
Reset state
TXA, TXB
Logic 1
OP2A, OP2B
Logic 1
RTSA, RTSB
Logic 1
DTRA, DTRB
Logic 1
INTA, INTB
3-State condition
Table 24:
Limiting values
In accordance with the Absolute Maximum Rating System (IEC 60134).
Symbol
Parameter
Conditions
Min
Max
Unit
VCC
supply voltage
-
7
V
Vn
voltage at any pin
GND
0.3
VCC + 0.3
V
Tamb
operating temperature
40
+85
°C
Tstg
storage temperature
65
+150
°C
Ptot(pack)
total power dissipation
per package
-
500
mW
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