ST72F324BJ6T6 STMicroelectronics, ST72F324BJ6T6 Datasheet - Page 26

• Manufacturer Part Number: ST72F324BJ6T6
• Description: IC MCU 8BIT 32K FLASH 44-LQFP
• Manufacturer: STMicroelectronics
• Series: ST7r

Specifications of ST72F324BJ6T6

• Core Processor: ST7
• Core Size: 8-Bit
• Speed: 8MHz
• Connectivity: SCI, SPI
• Peripherals: LVD, POR, PWM, WDT
• Number Of I /o: 32
• Program Memory Size: 32KB (32K x 8)
• Program Memory Type: FLASH
• Ram Size: 1K x 8
• Voltage - Supply (vcc/vdd): 3.8 V ~ 5.5 V
• Data Converters: A/D 12x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 44-TQFP, 44-VQFP
• Processor Series: ST72F3x
• Core: ST7
• Data Bus Width: 8 bit
• Data Ram Size: 1 KB
• Interface Type: SCI, SPI
• Maximum Clock Frequency: 8 MHz
• Number Of Programmable I/os: 32
• Number Of Timers: 3
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Development Tools By Supplier: ST7232X-EVAL, ST7MDT20-DVP3, ST7MDT20J-EMU3, STX-RLINK
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 10 bit, 12 Channel
• For Use With: 497-6421 - BOARD EVAL DGTL BATT CHGR DESIGN497-5046 - KIT TOOL FOR ST7/UPSD/STR7 MCU
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / Rohs Status: Details
• Other names: 497-5590

Central processing unit (CPU)
5
5.1
5.2
5.3
26/198
Central processing unit (CPU)
Introduction
This CPU has a full 8-bit architecture and contains six internal registers allowing efficient 8-
bit data manipulation.
Main features
●
●
●
●
●
●
●
●
CPU registers
The six CPU registers shown in
accessed by specific instructions.
Figure 7.
Reset value = stack higher address
Reset value = reset vector @ FFFEh-FFFFh
15
15
Enable executing 63 basic instructions
Fast 8-bit by 8-bit multiply
17 main addressing modes (with indirect addressing mode)
Two 8-bit index registers
16-bit stack pointer
Low power Halt and Wait modes
Priority maskable hardware interrupts
Non-maskable software/hardware interrupts
PCH
Reset value = 1
CPU registers
8
8 7
Reset value = XXh
Reset value = XXh
Reset value = XXh
7
7
7
7
1
7
1 1 X 1 X X
1 I1 H I0 N Z
Doc ID13466 Rev 4
Figure 7
PCL
are not present in the memory mapping and are
0
0
0
0
0
C
X
0
Accumulator
X index register
Y index register
Program counter
Condition code register
Stack pointer
X = undefined value
ST72324B-Auto