DF2552BR26DV Renesas Electronics America, DF2552BR26DV Datasheet - Page 350
DF2552BR26DV
Manufacturer Part Number
DF2552BR26DV
Description
IC H8S/2552 MCU FLASH 176-LFBGA
Manufacturer
Renesas Electronics America
Series
H8® H8S/2500r
Specifications of DF2552BR26DV
Core Processor
H8S/2000
Core Size
16-Bit
Speed
26MHz
Connectivity
I²C, SCI
Peripherals
POR, PWM, WDT
Number Of I /o
104
Program Memory Size
512KB (512K x 8)
Program Memory Type
FLASH
Ram Size
32K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 5.5 V
Data Converters
A/D 16x10b; D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
176-LFBGA
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
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Section 10 16-Bit Timer Pulse Unit (TPU)
10.3.5
The TSR registers indicate the status of each channel. The TPU has six TSR registers, one for each
channel.
Rev. 6.00 Sep. 24, 2009 Page 302 of 928
REJ09B0099-0600
Bit
7
6
5
4
Bit Name
TCFD
⎯
TCFU
TCFV
Timer Status Register (TSR)
1
0
0
Initial
value
1
R/W
R
⎯
R/(W)* Underflow Flag
R/(W)* Overflow Flag
Description
Count Direction Flag
Status flag that shows the direction in which TCNT counts
in channels 1, 2, 4, and 5.
In channels 0 and 3, bit 7 is reserved. It is always read as 1
and cannot be modified.
0: TCNT counts down
1: TCNT counts up
Reserved
This bit is always read as 1 and cannot be modified.
Status flag that indicates that TCNT underflow has
occurred when channels 1, 2, 4, and 5 are set to phase
counting mode. Only 0 can be written, for flag clearing.
In channels 0 and 3, bit 5 is reserved. It is always read as 0
and cannot be modified.
[Setting condition]
When the TCNT value underflows (changes from H'0000 to
H'FFFF)
[Clearing condition]
When 0 is written to TCFU after reading TCFU = 1
Status flag that indicates that TCNT overflow has occurred.
Only 0 can be written, for flag clearing.
[Setting condition]
When the TCNT value overflows (changes from H'FFFF to
H'0000 )
[Clearing condition]
When 0 is written to TCFV after reading TCFV = 1
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