R8A77850ANBGV Renesas Electronics America, R8A77850ANBGV Datasheet - Page 309
R8A77850ANBGV
Manufacturer Part Number
R8A77850ANBGV
Description
IC SUPERH MPU ROMLESS 436-BGA
Manufacturer
Renesas Electronics America
Series
SuperH® SH7780r
Datasheet
1.R8A77850AADBGV.pdf
(1694 pages)
Specifications of R8A77850ANBGV
Core Processor
SH-4A
Core Size
32-Bit
Speed
600MHz
Connectivity
Audio Codec, MMC, Serial Sound, SCI, SIO, SPI, SSI
Peripherals
DMA, POR, WDT
Number Of I /o
108
Program Memory Type
ROMless
Ram Size
8K x 8
Voltage - Supply (vcc/vdd)
1 V ~ 1.2 V
Oscillator Type
External
Operating Temperature
-20°C ~ 75°C
Package / Case
436-BGA
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Program Memory Size
-
Data Converters
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
R8A77850ANBGV
Manufacturer:
Renesas Electronics America
Quantity:
10 000
- Current page: 309 of 1694
- Download datasheet (9Mb)
10.3.1
(1)
ICR0 is a 32-bit readable and partially writable register that sets the input signal detection mode
for the external interrupt input pins and NMI pin, and indicates the level being input on the NMI
pin.
Initial value:
Initial value:
Bit
31
30
29 to 26 ⎯
R/W:
R/W:
Interrupt Control Register 0 (ICR0)
Bit:
Bit:
External Interrupt Request Registers
Name
NMIL
MAI
NMIL
31
15
—
⎯
R
R
0
R/W
MAI
30
14
⎯
R
0
0
Initial
Value
Undefined R
0
All 0
29
13
⎯
⎯
R
R
0
0
28
12
⎯
⎯
R
R
0
0
27
⎯
11
⎯
R
R
0
0
R/W
R/W
R
26
10
⎯
⎯
R
R
0
0
Description
NMI Input Level
Indicates the signal level being input on the NMI pin.
Reading this bit allows the user to know the NMI pin
level, and writing is invalid.
0: Low level is being input on the NMI pin
1: High level is being input on the NMI pin
MAI (mask all interrupts) Interrupt Mask
Specifies whether all interrupts are masked while the
NMI pin is at the low level regardless of the setting of
the BL bit in SR of the CPU.
0: Interrupts remain enabled even when the NMI pin
1: Interrupts are disabled when the NMI pin goes low
Reserved
These bits are always read as 0. The write value
should always be 0.
NMIB
R/W
25
⎯
goes low
R
0
9
0
NMIE
R/W
24
⎯
R
0
8
0
IRLM0
R/W
23
⎯
R
0
7
0
IRLM1
Rev.1.00 Jan. 10, 2008 Page 277 of 1658
R/W
22
⎯
R
0
6
0
MODE
R/W
LVL
21
⎯
R
0
5
0
10. Interrupt Controller (INTC)
20
⎯
⎯
R
R
0
4
0
19
⎯
⎯
R
R
0
3
0
REJ09B0261-0100
18
⎯
⎯
R
R
0
2
0
17
⎯
⎯
R
R
0
1
0
16
⎯
⎯
R
R
0
0
0
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