ST7LITE49M STMicroelectronics, ST7LITE49M Datasheet - Page 129

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ST7LITE49M

Manufacturer Part Number
ST7LITE49M
Description
8-bit MCU
Manufacturer
STMicroelectronics
Datasheet

Specifications of ST7LITE49M

4 Kbytes Single Voltage Extended Flash (xflash) Program Memory With Read-out Protection In-circuit Programming And In-application Programming (icp And Iap) Endurance
10k write/erase cycles guaranteed Data retention
128 Bytes Data Eeprom With Read-out Protection. 300k Write/erase Cycles Guaranteed, Data Retention
20 years at 55 °C.
Clock Sources
Internal trimmable 8 MHz RC oscillator, auto-wakeup internal low power - low frequency oscillator, crystal/ceramic resonator or external clock
Five Power Saving Modes
Halt, Active-halt, Auto-wakeup from Halt, Wait and Slow
A/d Converter
10 input channels

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ST7LITE49M
Data register high (ADCDRH)
Reset value: xxxx xxxx (xxh)
Bits 7:0 = D[9:2] MSB of analog converted value
ADC control/data register low (ADCDRL)
Reset value: 0000 00xx (0xh)
Bits 7:4 = Reserved. Forced by hardware to 0.
Bit 3 = SLOW Slow mode bit
Table 48.
1. The maximum allowed value of f
Bit 2 = Reserved. Forced by hardware to 0.
Bits 1:0 = D[1:0] LSB of analog converted value
Table 49.
Address
(Hex.)
0036h
0037h
0038h
D9
This bit is set and cleared by software. It is used together with the SPEED bit in the
ADCCSR register to configure the ADC clock speed as shown on the table below.
7
0
7
Reset value
Reset value
Reset value
ADCDRH
ADCCSR
ADCDRL
Register
Configuring the ADC clock speed
ADC register mapping and reset values
label
D8
0
EOC
D9
7
0
x
0
0
D7
0
f
f
f
ADC
ADC
CPU
CPU
f
Doc ID 13562 Rev 3
CPU
SPEED
is 4 MHz (see
(1)
/2
/4
D8
6
0
x
0
0
D6
0
ADON
Read/write
Read only
D7
5
0
x
0
0
Section 13.11 on page
SLOW
D5
D6
4
0
0
0
x
SLOW
CH3
D5
3
0
x
0
D4
0
170)
SLOW
CH2
D4
0
0
1
On-chip peripherals
2
0
0
x
D3
D1
CH1
D3
D1
1
0
x
x
SPEED
0
1
x
D2
129/188
D0
0
0
CH0
D2
D0
0
0
x
x

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