R5F21162SP#U0 Renesas Electronics America, R5F21162SP#U0 Datasheet - Page 262

• Manufacturer Part Number: R5F21162SP#U0
• Description: IC R8C MCU FLASH 8K 20SSOP
• Manufacturer: Renesas Electronics America
• Series: M16C™ M16C/R8C/Tiny/16r

Specifications of R5F21162SP#U0

• Core Processor: R8C
• Core Size: 16-Bit
• Speed: 20MHz
• Connectivity: I²C, SIO, UART/USART
• Peripherals: LED, POR, Voltage Detect, WDT
• Number Of I /o: 13
• Program Memory Size: 8KB (8K x 8)
• Program Memory Type: FLASH
• Ram Size: 512 x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Data Converters: A/D 4x10b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 85°C
• Package / Case: 20-SSOP
• For Use With: R0K521134S000BE - KIT EVAL STARTER FOR R8C/13
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

R8C/16 Group, R8C/17 Group
Rev.2.10
REJ09B0169-0210
Table 20.2
NOTES:
Mode
EW1 During automatic erasing
1. Do not use the address match interrupt while the command is executed because the vector of the
2. Do not use the non-maskable interrupt while Block 0 is automatically erased because the fixed
address match interrupt is allocated on ROM.
vector is allocated Block 0.
(erase- suspend function
is enabled)
During automatic erasing
(erase- suspend function
is disabled)
Auto programming
Jan 19, 2006
Interrupt in EW1 Mode
Status
Page 247 of 254
The auto-erasing is suspended
a f t e r t d ( S R - E S ) a n d t h e
interrupt process is executed.
T h e a u t o - e r a s i n g c a n b e
restarted by setting the FMR41
bit in the FMR4 regist er to
“0”(erase restart) after the
interrupt process completes.
The auto-erasing has a priority
a n d t h e i n t e r r u p t r e q u e s t
acknowledgement is waited.
T h e i n t e r r u p t p r o c e s s i s
executed after the auto-erasing
completes. Refer to 20.8.1.9
Interrupt Request Generation
during Auto-erase Operation
in EW1 Mode .
The auto-programming has a
priority and the interrupt request
acknowledgement is waited.
T h e i n t e r r u p t p r o c e s s i s
e x e c u t e d a f t e r t h e a u t o -
programming completes.
When maskable interrupt
request is acknowledged
stop detection and voltage monitor 2
O n c e a n i n t e r r u p t r e q u e s t i s
a c k n o w l e d g e d ,
programming or auto-erasing is
forcibly stopped immediately and
r e s e t s t h e f l a s h m e m o r y. A n
interrupt process starts after the
fixed period and the flash memory
restarts. Since the block during the
auto-erasing or the address during
the auto-programming is forcibly
stopped, the normal value may not
be read. Execute the auto-erasing
again and ensure the auto-erasing is
completed normally.
Since the watchdog timer does not
stop during the command operation,
t h e i n t e r r u p t r e q u e s t m a y b e
generated. Reset the watchdog
timer regularly using the erase-
suspend function.
interrupt request are acknowledged
When watchdog timer, oscillation
t h e
20. Precautions
a u t o -