sc68c2550b NXP Semiconductors, sc68c2550b Datasheet - Page 22

• Manufacturer Part Number: sc68c2550b
• Description: Sc68c2550b 5 V, 3.3 V And 2.5 V Dual Uart, 5 Mbit/s Max. , With 16-byte Fifos And Motorola Up Interface
• Manufacturer: NXP Semiconductors

Philips Semiconductors
8. Limiting values
9397 750 14941
Product data sheet
7.10 SC68C2550B external reset condition
7.9 Scratchpad Register (SPR)
The SC68C2550B provides a temporary data register to store 8 bits of user information.
Table 20:
Table 21:
Table 22:
In accordance with the Absolute Maximum Rating System (IEC 60134).
Register
IER
FCR
ISR
LCR
MCR
LSR
MSR
SPR
DLL
DLM
Output
TXA, TXB
OP2A, OP2B
RTSA, RTSB
DTRA, DTRB
IRQ
Symbol
V
V
T
T
P
amb
stg
CC
n
tot(pack)
Reset state for registers
Reset state for outputs
Limiting values
Parameter
supply voltage
voltage at any pin
operating temperature
storage temperature
total power dissipation
per package
Reset state
IER[7:0] = 0
FCR[7:0] = 0
ISR[7:1] = 0; ISR[0] = 1
LCR[7:0] = 0
MCR[7:0] = 0
LSR[7] = 0; LSR[6:5] = 1; LSR[4:0] = 0
MSR[7:4] = input signals; MSR[3:0] = 0
SFR[7:0] = 1
DLL[7:0] = X
DLM[7:0] = X
Reset state
logic 1
logic 1
logic 1
logic 1
3-state condition
5 V, 3.3 V and 2.5 V dual UART, 5 Mbit/s (max.), with 16-byte FIFOs
Rev. 02 — 28 April 2005
Conditions
Min
-
GND
-
40
65
© Koninklijke Philips Electronics N.V. 2005. All rights reserved.
0.3
SC68C2550B
Max
7
V
+85
+150
500
CC
+ 0.3
Unit
V
V
mW
C
C
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