TDA8005A Datasheet, PDF (4/36 Pages) NXP Semiconductors – Low-power 3 V/5 V smart card coupler

Philips Semiconductors
Low-power (3 V/5 V) smart card coupler
Preliminary specification
TDA8005A
BLOCK DIAGRAM
handbook, full pagewidth
VDDA
2.5 to 6 V
100 nF
ALARM
DELAY
VDDD
100 nF
63 (43)
44
46 (31)
10 (7)
SUPPLY
INTERNAL
REFERENCE
VOLTAGE SENSE
2.3 to 2.7 V
47 nF
47 nF
S1
64 (44)
S2
S3
S4
61 (41)
3 (2) 62 (42)
ref
STEP-UP CONVERTER
60 (40) _S5
INTERNAL OSCILLATOR
2.5 MHz
VUP
47 nF
RESET
RxD
TxD
AUX1
AUX2
INT1
P00⁽¹⁾
to
P37
22 (17)
28 (18)
29 (19)
32 (22)
33 (23)
30 (20)
alarm
TDA8005AG
(TDA8005AH)
VDDD
skill
CONTROLLER
CL51
4 kbytes ROM
256-byte RAM
start
RST
off
VDDD _{osc ref}
SECURITY
EN1 VCC
GENERATOR
EN2
RST
BUFFER
OPTIONAL
PORTS
data clk EN R/W S0 S1 INT
SEQUENCER EN3
I/O
BUFFER
59 (39)
LIS
58 (38) ^VCC
100 nF
56 (36)
RST
55 (35)
I/O
PERIPHERAL
INTERFACE
micro-
controller
clock
I/O
ISO 7816 UART
EN4 _CLOCK
BUFFER
57 (37)
47 (32)
CLK
PRES
CLOCK CIRCUITRY
osc
36 (26)
35 (25)
OUTPUT PORT
EXTENSION
37 (27) 2 (1) 53 52 51 50 49 4
XTAL1
XTAL2
Pin numbers in parenthesis represent the TDA8005AH.
(1) For details see Chapter “Pinning” and Table 3.
DGND
K0 K1 K2 K3 K4 K5
AGND
MGL330
Fig.1 Block diagram.
1998 Mar 20
4