sam4s8c ATMEL Corporation, sam4s8c Datasheet - Page 42

• Manufacturer Part Number: sam4s8c
• Description: At91sam Arm-based Flash Mcu
• Manufacturer: ATMEL Corporation

10.10 Real Time Clock
10.11 General-Purpose Backup Registers
10.12 Nested Vectored Interrupt Controller
10.13 Chip Identification
Table 10-1.
42
• JTAG ID: 05B3_203F
Chip Name
SAM4S16A
SAM4S16B
SAM4S16C
SAM4S8B
SAM4S8C
SAM4S8A
SAM4S Chip IDs Register
• Low power consumption
• Full asynchronous design
• Two hundred year Gregorian and Persian calendar
• Programmable Periodic Interrupt
• Trimmable 32.7682 kHz crystal oscillator clock source
• Alarm and update parallel load
• Control of alarm and update Time/Calendar Data In
• Waveform output capability on GPIO pins in low power modes
• Eight 32-bit backup general-purpose registers
• Thirty maskable external interrupts
• Sixteen priority levels
• Processor state automatically saved on interrupt entry, and restored on
• Dynamic reprioritizing of interrupts
• Priority grouping.
• Support for tail-chaining and late arrival of interrupts.
• Processor state automatically saved on interrupt entry, and restored on interrupt exit, with no
• Chip Identifier (CHIPID) registers permit recognition of the device and its revision.
instruction overhead.
– Alarm Register capable to generate a wake-up of the system through the Shut Down
– selection of pre-empting interrupt levels and non pre-empting interrupt levels.
– back-to-back interrupt processing without the overhead of state saving and
Controller
restoration between interrupts.
Flash Size
(KBytes)
1024
1024
1024
512
512
512
RAM Size
(KBytes)
128
128
128
128
128
128
Pin Count
100
100
48
64
48
64
0x28AC_0CE0
0x288C_0CE0
0x289C_0CE0
0x288C_0AE0
0x289C_0AE0
0x28AC_0AE0
CHIPID_CIDR
11100AS–ATARM–27-Oct-11
CHIPID_EXID
0x0
0x0
0x0
0x0
0x0
0x0