TDA8035HN/C1,157 NXP Semiconductors, TDA8035HN/C1,157 Datasheet - Page 13

• Manufacturer Part Number: TDA8035HN/C1,157
• Description: Interface - Specialized SMART CARD INTERFACE
• Manufacturer: NXP Semiconductors

Specifications of TDA8035HN/C1,157

• Rohs: yes
• Factory Pack Quantity: 2450

NXP Semiconductors
TDA8035HN
Product data sheet
COMPANY PUBLIC
8.7 Activation sequence
The following sequence then occurs with crystal oscillator (see
T = 64  T
1. CMDVCCN is pulled low (t0)
2. Crystal oscillator start-up time (t0).
3. The internal oscillator changes to its high frequency and DC-to-DC starts
4. V
5. I/O, AUX1 and AUX2 are enabled (t
6. CLK is applied to the C3 contact (t
7. RST is enabled (t
Fig 8.
CMDVCCN
t1 = t0 + 768  T
(t
2
CC
= t
Oscint
Xtal1
rises from 0 to selected V
VUP
CLK
RST
V
Activation sequence at t3
1
I/O
CC
oscint
+ 3T/2)
(freq high)
All information provided in this document is subject to legal disclaimers.
t0
low frequency
osc
Rev. 2.1 — 3 December 2012
≈ 3 ms
5
= t
(freq low)
1
+ 13T).
t1
CC
value (5 V, 3 V, 1.8 V) with a controlled slope
4
t2
3
= t
= t
3
1
+ ×) with 200 ns < × < 10 × 1/f
+ 10T), until now, they were pulled LOW
t3
t4
high frequency
Figure
TDA8035HN
Smart card interface
8):
© NXP B.V. 2012. All rights reserved.
Xtal
t5
001aan752
T / 2
13 of 31