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ST7232AK1B1 Datasheet

  • ST7232AK1B1

  • 8-BIT MCU WITH 8K FLASH/ROM, ADC, 4 TIMERS, SPI, SCI INTERFA...

  • 1290.53KB

  • 154页

  • STMICROELECTRONICS   STMICROELECTRONICS

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ST7232A
PIN DESCRIPTION
(Cont鈥檇)
For external pin connection guidelines, refer to See 鈥淓LECTRICAL CHARACTERISTICS鈥?on page 111.
Legend / Abbreviations for
Table 1:
Type:
I = input, O = output, S = supply
Input level:
A = Dedicated analog input
In/Output level: C = CMOS 0.3V
DD
/0.7V
DD
C
T
= CMOS 0.3V
DD
/0.7V
DD
with input trigger
Output level:
HS = 20mA high sink (on N-buffer only)
Port and control configuration:
鈥?Input:
float = floating, wpu = weak pull-up, int = interrupt
1)
, ana = analog ports
鈥?Output:
OD = open drain
2)
, PP = push-pull
Refer to
鈥淚/O PORTS鈥?on page 40
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掳
TQFP32
Type
SDIP32
Pin Name
Level
Output
Input
Port
Input
float
wpu
ana
int
Main
Output function
(after
reset)
OD
PP
Alternate Function
1
2
3
4
5
6
4
5
6
7
8
9
V
AREF
V
SSA
PF0/MCO/AIN8
PF1 (HS)/BEEP
PF4/OCMP1_A/
AIN10
PF6 (HS)/ICAP1_A
PF7 (HS)/
EXTCLK_A
S
S
I/O C
T
I/O C
T
I/O C
T
I/O C
T
I/O C
T
I/O C
T
HS
HS
HS
X
X
X
X
X
X
ei1
ei1
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
Analog Reference Voltage for ADC
Analog Ground Voltage
Port F0
Port F1
Port F4
Port F6
Port F7
Port C0
Main clock
out (f
OSC
/2)
ADC Analog
Input 8
Beep signal output
Timer A Out-
ADC Analog
put Com-
Input 10
pare 1
Timer A Input Capture 1
Timer A External Clock
Source
Timer B Out-
ADC Analog
put Com-
Input 12
pare 2
Timer B Out-
ADC Analog
put Com-
Input 13
pare 1
Timer B Input Capture 2
Timer B Input Capture 1
SPI Master
In / Slave
Out Data
SPI Master
Out / Slave
In Data
SPI Serial
Clock
ICC Data In-
put
ADC Analog
Input 14
ICC Clock
Output
7 10
PC0/OCMP2_B/
8 11
AIN12
PC1/OCMP1_B/
9 12
AIN13
10 13 PC2 (HS)/ICAP2_B
11 14 PC3 (HS)/ICAP1_B
12 15
PC4/MISO/ICCDA-
TA
I/O C
T
I/O C
T
I/O C
T
I/O C
T
HS
HS
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
Port C1
Port C2
Port C3
Port C4
13 16 PC5/MOSI/AIN14
14 17 PC6/SCK/ICCCLK
I/O C
T
I/O C
T
X
X
X
X
X
X
X
X
X
Port C5
Port C6
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