TDA8029 Datasheet, PDF (4/59 Pages) NXP Semiconductors – Low power single card reader

Philips Semiconductors
6. Block diagram
TDA8029
Low power single card reader
28
RESET
5
SDWN_N
30
P33/INT1_N
2
P16
1
P17
24
P27
25
P26
32
P30/RX
31
P31/TX
21
EA_N
22
ALE
23
PSEN_N
29
P32/INT0_N
20
TEST
27
XTAL2
26
XTAL1
Fig 1. Block diagram
80C51
CONTROLLER
16 kB ROM
256 byte RAM
TIMER 2
512 byte XRAM
V_DD
CDEL
6
3
SUPPLY
SUPERVISOR
CLOCK
CIRCUITRY
24-bit
ETU
COUNTER
ISO 7816
UART
CS
CONTROL /
STATUS
REGISTERS
SAM
19
SAP SBM
14 17
SBP
15
13
DC - t o - DC
CONVERTER
18
16
VUP
220 nF
PGND
DCIN
10 µF
ANALOG
DRIVERS
AND
SEQUENCER
INTERNAL
OSCILLATOR
11
VCC
9
GNDC
12
RST
10
CLK
7
I/O
8
PRES
CRYSTAL
OSCILLATOR
4
GND
TDA8029
fce869
9397 750 14145
Product data sheet
Rev. 03 — 22 February 2005
© Koninklijke Philips Electronics N.V. 2005. All rights reserved.
4 of 59