STEVAL-ISQ002V1 STMicroelectronics, STEVAL-ISQ002V1 Datasheet - Page 100
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STEVAL-ISQ002V1
Manufacturer Part Number
STEVAL-ISQ002V1
Description
BOARD EVAL BASED ON ST72264G1
Manufacturer
STMicroelectronics
Specifications of STEVAL-ISQ002V1
Main Purpose
Interface, PMBus
Embedded
Yes, MCU, 8-Bit
Utilized Ic / Part
ST72F264
Primary Attributes
The PMBus™ Interface Using the ST7 I2C Peripheral
Secondary Attributes
Firmware in C Language
Product
Power Management Modules
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
497-6423
Available stocks
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Part Number
Manufacturer
Quantity
Price
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Part Number:
STEVAL-ISQ002V1
Manufacturer:
STMicroelectronics
Quantity:
1
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ST72260Gx, ST72262Gx, ST72264Gx
SERIAL COMMUNICATIONS INTERFACE (Cont’d)
DATA REGISTER (SCIDR)
Read/Write
Reset Value: Undefined
Contains the Received or Transmitted data char-
acter, depending on whether it is read from or writ-
ten to.
The Data register performs a double function (read
and write) since it is composed of two registers,
one for transmission (TDR) and one for reception
(RDR).
The TDR register provides the parallel interface
between the internal bus and the output shift reg-
ister (see
The RDR register provides the parallel interface
between the input shift register and the internal
bus (see
BAUD RATE REGISTER (SCIBRR)
Read/Write
Reset Value: 0000 0000 (00h)
Bits 7:6= SCP[1:0] First SCI Prescaler
These 2 prescaling bits allow several standard
clock division ranges:
100/172
SCP1
DR7
7
7
PR Prescaling factor
SCP0
DR6
Figure
Figure
13
SCT2
1
3
4
DR5
53).
53).
SCT1
DR4
SCT0
DR3
SCP1
SCR2 SCR1 SCR0
DR2
0
0
1
1
DR1
SCP0
0
1
0
1
DR0
0
0
Bits 5:3 = SCT[2:0] SCI Transmitter rate divisor
These 3 bits, in conjunction with the SCP1 & SCP0
bits define the total division applied to the bus
clock to yield the transmit rate clock in convention-
al Baud Rate Generator mode.
Bits 2:0 = SCR[2:0] SCI Receiver rate divisor.
These 3 bits, in conjunction with the SCP[1:0] bits
define the total division applied to the bus clock to
yield the receive rate clock in conventional Baud
Rate Generator mode.
RR Dividing factor
TR dividing factor
128
128
16
32
64
16
32
64
1
2
4
8
1
2
4
8
SCR2
SCT2
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
SCR1
SCT1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
SCR0
SCT0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
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