Harman Kardon DVD 27, Service Manual

Page: 48 / 110

ST72F324L, ST72324BL
PIN DESCRIPTION (Cont’d)
For more details, refer to “ELECTRICAL CHARACTERISTICS” on page 110
Legend / Abbreviations for Table 1 :
Type: I = input, O = output, S = supply
In/Output level: C = CMOS
C
T
= CMOS with input trigger
Output level: HS = high sink (on N-buffer only)
Port and control configuration:
– Input: float = floating, wpu = weak pull-up, int = interrupt
1)
, ana = analog ports
– Output: OD = open drain
2)
, PP = push-pull
Refer to “I/O PORTS” on page 39 for more details on the software configuration of the I/O ports.
The RESET configuration of each pin is shown in bold. This configuration is valid as long as the device is
in reset state.
Table 1. Device Pin Description
Pin n°
Pin Name
Type
Level Port
Main
function
(after
reset)
Alternate Function
TQFP44 TQFP32
SDIP32
Input
Output
Input Output
fl
oat
wpu
int
ana
OD
PP
6 30 1 PB4 (HS) I/O C
T
HS X ei3 X X Port B4
7 31 2 PD0/AIN0 I/O C
T
X X X X X Port D0 ADC Analog Input 0
8 32 3 PD1/AIN1 I/O C
T
X X X X X Port D1 ADC Analog Input 1
9 PD2/AIN2 I/O C
T
X X X X X Port D2 ADC Analog Input 2
10 PD3/AIN3 I/O C
T
X X X X X Port D3 ADC Analog Input 3
11 PD4/AIN4 I/O C
T
X X X X X Port D4 ADC Analog Input 4
12 PD5/AIN5 I/O C
T
X X X X X Port D5 ADC Analog Input 5
13 1 4 V
AREF
S Analog Reference Voltage for ADC
14 2 5 V
SSA
S Analog Ground Voltage
15 3 6 PF0/MCO/AIN8 I/O C
T
X ei1 X X X Port F0
Main clock
out (f
OSC
/2)
ADC Analog
Input 8
16 4 7 PF1 (HS)/BEEP I/O C
T
HS X ei1 X X Port F1 Beep signal output
17 PF2 (HS) I/O C
T
HS X ei1 X X Port F2
18 5 8
PF4/OCMP1_A/
AIN10
I/O C
T
X X X X X Port F4
Timer A Out-
put Com-
pare 1
ADC Analog
Input 10
19 6 9 PF6 (HS)/ICAP1_A I/O C
T
HS X X X X Port F6 Timer A Input Capture 1
20 7 10
PF7 (HS)/
EXTCLK_A
I/O C
T
HS X X X X Port F7
Timer A External Clock
Source
21 V
DD_0
S Digital Main Supply Voltage
22 V
SS_0
S Digital Ground Voltage
23 8 11
PC0/OCMP2_B/
AIN12
I/O C
T
X X X X X Port C0
Timer B Out-
put Com-
pare 2
ADC Analog
Input 12
24 9 12
PC1/OCMP1_B/
AIN13
I/O C
T
X X X X X Port C1
Timer B Out-
put Com-
pare 1
ADC Analog
Input 13
DVD27 harman/kardon
48