Sc16C2550 External Reset Condition; Limiting Values - Philips SC16C2550 Manual

Philips Semiconductors

7.11 SC16C2550 external reset condition

8. Limiting values

9397 750 11621
Product data
Dual UART with 16 bytes of transmit and receive FIFOs and IrDA
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
V supply voltage
CC
V voltage at any pin
n
T operating temperature
amb
T storage temperature
stg
P total power dissipation
tot(pack)
per package
Rev. 03 — 19 June 2003
Conditions Min
-
GND − 0.3
−40
−65
-
© Koninklijke Philips Electronics N.V. 2003. All rights reserved.
SC16C2550
encoder/decoder
Max Unit
7 V
V + 0.3 V
CC
°C
+85
°C
+150
500 mW
29 of 46