DF2212CUNP24V Renesas Electronics America, DF2212CUNP24V Datasheet - Page 142
DF2212CUNP24V
Manufacturer Part Number
DF2212CUNP24V
Description
MCU 16BIT FLASH 3V 128K 64-QFN
Manufacturer
Renesas Electronics America
Series
H8® H8S/2200r
Datasheet
1.DF2218UTF24V.pdf
(758 pages)
Specifications of DF2212CUNP24V
Core Processor
H8S/2000
Core Size
16-Bit
Speed
24MHz
Connectivity
SCI, SmartCard, USB
Peripherals
DMA, POR, PWM, WDT
Number Of I /o
37
Program Memory Size
128KB (128K x 8)
Program Memory Type
FLASH
Ram Size
12K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 3.6 V
Data Converters
A/D 6x10b
Oscillator Type
External
Operating Temperature
-20°C ~ 75°C
Package / Case
64-QFN
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
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DF2212CUNP24V
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4.3.3
If an interrupt is accepted after a reset but before the stack pointer (SP) is initialized, the PC and
CCR will not be saved correctly, leading to a program crash. To prevent this, all interrupt requests,
including NMI, are disabled immediately after a reset. Since the first instruction of a program is
always executed immediately after the reset state ends, make sure that this instruction initializes
the stack pointer (example: MOV.L #xx: 32,SP).
4.3.4
After reset release, MSTPCRA, MSTPCRB, and MSTPCRC are initialized and all modules except
the DMAC enter module stop mode. Consequently, on-chip peripheral module registers cannot be
read from or written to. Register reading and writing is enabled when module stop mode is exited.
Rev.7.00 Dec. 24, 2008 Page 86 of 698
REJ09B0074-0700
φ
RES, MRES
Internal
Address bus
Internal
read signal
Internal
write signal
Internal
data bus
(1) (3)
(2) (4)
(5)
(6)
Interrupts after Reset
State of On-Chip Peripheral Modules after Reset Release
: Reset exception handling vector address (for a power-on reset, (1) = H'000000, (3) = H'000002
: Start address (contents of reset exceptiion handling vector address)
: Start address ((5) = (2) (4))
: First program instruction
for a manual reset, (1) = H'000004, (3) = H'000006)
Figure 4.2 Reset Sequence (Modes 6 and 7)
(1)
(2)
Vector
fetch
High
(4)
(3)
Internal
processing
Prefetch of first program
instruction
(5)
(6)
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