HD64F2612FA20 Renesas Electronics America, HD64F2612FA20 Datasheet - Page 441
HD64F2612FA20
Manufacturer Part Number
HD64F2612FA20
Description
IC H8S MCU FLASH 128K 80QFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2600r
Specifications of HD64F2612FA20
Core Processor
H8S/2600
Core Size
16-Bit
Speed
20MHz
Connectivity
CAN, SCI
Peripherals
POR, PWM, WDT
Number Of I /o
43
Program Memory Size
128KB (128K x 8)
Program Memory Type
FLASH
Ram Size
4K x 8
Voltage - Supply (vcc/vdd)
4.5 V ~ 5.5 V
Data Converters
A/D 12x10b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 75°C
Package / Case
80-QFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
HD64F2612FA20
Manufacturer:
RENESAS/瑞萨
Quantity:
20 000
Part Number:
HD64F2612FA20J
Manufacturer:
RENESAS/瑞萨
Quantity:
20 000
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15.3.16 Unread Message Status Register (UMSR)
The unread message status register (UMSR) is a 16-bit register containing status flags that
indicate, for individual mailboxes (buffers), that a received message has been overwritten by a
new receive message before being read. When overwritten by a new message, data in the unread
receive message is lost.
Bit
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Note:
* Only 1 can be written to clear the flag.
Bit Name
UMSR7
UMSR6
UMSR5
UMSR4
UMSR3
UMSR2
UMSR1
UMSR0
UMSR15
UMSR14
UMSR13
UMSR12
UMSR11
UMSR10
UMSR9
UMSR8
Initial Value
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/(W) *
R/(W) *
R/(W) *
R/W
Description
[Setting condition]
•
[Clearing condition]
•
When a new message is received before
RXPR is cleared
Writing 1
Section 15 Controller Area Network (HCAN)
Rev. 7.00 Sep. 11, 2009 Page 405 of 566
REJ09B0211-0700
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