st72324bk STMicroelectronics, st72324bk Datasheet - Page 104

• Manufacturer Part Number: st72324bk
• Description: 3 V/5 V Range 8-bit Mcu With 4/8 Kbyte Rom, 10-bit Adc, Four Timers And Spi
• Manufacturer: STMicroelectronics

On-chip peripherals
104/167
Bit 4 = MAX_SPEED Max. Speed Selection
Table 49.
1. The maximum frequency of the ADC is 4 MHz. The MAX_SPEED bit must be kept at 0 (reset state) is f
Bit 3:0 = CH[3:0] Channel Selection
Table 50.
1. The number of channels is device dependent. Refer to the device pinout description.
is greater than 4 MHz.
This bit is set and cleared by software. It is used together with the SPEED bit to select
the ADC frequency. Refer to
These bits are set and cleared by software. They select the analog input to convert as
shown in
MAX_SPEED bit
ADC speed selection
ADC channel selection
Channel pin
Table
0
0
1
1
AIN10
AIN11
AIN12
AIN13
AIN14
AIN15
AIN0
AIN1
AIN2
AIN3
AIN4
AIN5
AIN6
AIN7
AIN8
AIN9
50.
(1)
Table
49.
SPEED bit
CH3
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
1
0
1
CH2
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
CH1
ST72323 ST72323L
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
f
f
f
f
CPU
CPU
CPU
CPU
f
ADC
(1)
/4
/2
/2
CH0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
CPU