ST72F321BAR9T6 STMicroelectronics, ST72F321BAR9T6 Datasheet - Page 163

• Manufacturer Part Number: ST72F321BAR9T6
• Description: MCU 8BIT 60KB FLASH/ROM 64-LQFP
• Manufacturer: STMicroelectronics
• Series: ST7r

Specifications of ST72F321BAR9T6

• Core Processor: ST7
• Core Size: 8-Bit
• Speed: 8MHz
• Connectivity: I²C, SCI, SPI
• Peripherals: LVD, POR, PWM, WDT
• Number Of I /o: 48
• Program Memory Size: 60KB (60K x 8)
• Program Memory Type: FLASH
• Ram Size: 2K x 8
• Voltage - Supply (vcc/vdd): 3.8 V ~ 5.5 V
• Data Converters: A/D 16x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 64-LQFP
• Processor Series: ST72F3x
• Core: ST7
• Data Bus Width: 8 bit
• Data Ram Size: 2 KB
• Interface Type: I2C, SCI, SPI
• Maximum Clock Frequency: 8 MHz
• Number Of Programmable I/os: 48
• Number Of Timers: 2
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Development Tools By Supplier: ST7232X-EVAL, ST7232X-SK/RAIS, ST72321B-D/RAIS, ST7MDT20-DVP3, ST7MDT20J-EMU3, ST7MDT20M-EMU3, STX-RLINK
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 10 bit, 16 Channel
• For Use With: 497-5046 - 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: 497-5583

COMMUNICATION INTERFACE CHARACTERISTICS (Cont’d)
Figure 90. SPI Slave Timing Diagram with CPHA=1
Figure 91. SPI Master Timing Diagram
Notes:
1. Measurement points are done at CMOS levels: 0.3xV
2. When no communication is on-going the data output line of the SPI (MOSI in master mode, MISO in slave mode) has
its alternate function capability released. In this case, the pin status depends of the I/O port configuration.
MISO
MOSI
MISO
MOSI
SS
CPHA=1
CPOL=0
CPHA=1
CPOL=1
SS
OUTPUT
INPUT
CPHA = 0
CPOL = 0
CPHA = 0
CPOL = 1
CPHA = 1
CPOL = 0
CPHA = 1
CPOL = 1
INPUT
OUTPUT
INPUT
INPUT
see
note 2
See note 2
t
a(SO)
t
su(SS)
HZ
t
t
t
su(MI)
w(SCKH)
w(SCKL)
t
su(SI)
MSB OUT
MSB IN
ST72321BRx, ST72321BARx ST72321BJx, ST72321BKx
MSB OUT
t
MSB IN
h(MI)
1)
t
h(SI)
t
c(SCK)
t
c(SCK)
t
t
t
v(MO)
w(SCKH)
w(SCKL)
t
v(SO)
DD
and 0.7xV
BIT6 OUT
1)
BIT6 IN
BIT6 OUT
DD
.
BIT1 IN
t
h(MO)
t
h(SO)
t
t
r(SCK)
f(SCK)
t
t
r(SCK)
f(SCK)
LSB OUT
LSB IN
LSB OUT
LSB IN
t
h(SS)
See note 2
t
dis(SO)
163/187
note 2
see