ST7232AK1 STMicroelectronics, ST7232AK1 Datasheet - Page 124

• Manufacturer Part Number: ST7232AK1
• Description: 8-BIT MCU WITH 8K FLASH/ROM, ADC, 4 TIMERS, SPI, SCI INTERFACE
• Manufacturer: STMicroelectronics

Specifications of ST7232AK1

• Hdflash Endurance: 100 cycles, data retention
• Clock Sources: crystal/ceramic resonator oscillators and bypass for external clock
• Four Power Saving Modes: Halt, Active-Halt, Wait and Slow
• Main Clock Controller With: Real time base, Beep and Clock-out capabilities
• Two 16-bit Timers With: 2 input captures, 2 output compares, PWM and pulse generator modes

ST7232A
12.6 MEMORY CHARACTERISTICS
12.6.1 RAM and Hardware Registers
12.6.2 FLASH Memory
Notes:
1. Minimum V
isters (only in HALT mode). Not tested in production.
2. Data based on characterization results, not tested in production.
3. V
4. Data based on simulation results, not tested in production.
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DUAL VOLTAGE HDFLASH MEMORY
Symbol
Symbol
T
T
V
N
ERASE
f
PP
t
t
V
PROG
I
CPU
I
VPP
RET
DD
PP
RM
RW
PP
must be applied only during the programming or erasing operation and not permanently for reliability reasons.
Data retention mode
Operating frequency
Programming voltage
Supply current
V
Internal V
Data retention
Write erase cycles
Programming or erasing tempera-
ture range
DD
PP
supply voltage without losing data stored in RAM (in HALT mode or under RESET) or in hardware reg-
current
PP
Parameter
4)
Parameter
stabilization time
4)
1)
3)
HALT mode (or RESET)
Read mode
Write / Erase mode
4.5V
Write / Erase
Read (V
Write / Erase
T
T
A
A
=85°C
=25°C
≤
Conditions
Conditions
V
PP
DD
=12V)
≤
5.5V
Min
1.6
Min
11.4
100
-40
40
0
1
2)
Typ
Typ
10
25
0
Max
Max
12.6
200
30
85
8
8
2)
cycles
Unit
years
MHz
Unit
mA
mA
V
µA
°C
µs
V