C8051F961-A-GM Silicon Labs, C8051F961-A-GM Datasheet - Page 221
![no-image](/images/no-image-200.jpg)
C8051F961-A-GM
Manufacturer Part Number
C8051F961-A-GM
Description
8-bit Microcontrollers - MCU 128KB, DC-DC, LCD AES, QFN40
Manufacturer
Silicon Labs
Datasheet
1.C8051F960-A-GQ.pdf
(492 pages)
Specifications of C8051F961-A-GM
Rohs
yes
Core
8051
Processor Series
C8051
Data Bus Width
8 bit
Maximum Clock Frequency
25 MHz
Program Memory Size
128 KB
Data Ram Size
8448 B
On-chip Adc
Yes
Operating Supply Voltage
2.5 V to 3.3 V
Operating Temperature Range
- 40 C to + 85 C
Package / Case
QFN-40
Mounting Style
SMD/SMT
Number Of Programmable I/os
34
Number Of Timers
4
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SFR Definition 16.4. SFRLAST: SFR Last
;SFR Page = All Pages; SFR Address = 0x86
Bit
7:0
Name
Reset
Type
Bit
SFRLAST[7:0]
Name
7
0
SFR Page Stack Bits.
This is the value that will go to the SFRNEXT register upon a return from inter-
rupt.
Write: Sets the SFR Page in the last entry of the SFR Stack. This will cause the
SFRNEXT SFR to have this SFR page value upon a return from interrupt.
Read: Returns the value of the SFR page contained in the last entry of the SFR
stack.
SFR page context is retained upon interrupts/return from interrupts in a 3 byte
SFR Page Stack: SFRPAGE is the first entry, SFRNEXT is the second, and
SFRLAST is the third entry. The SFR stack bytes may be used alter the context
in the SFR Page Stack, and will not cause the stack to “push” or “pop”. Only
interrupts and return from interrupts cause pushes and pops of the SFR Page
Stack.
6
0
5
0
Rev. 0.5
4
SFRLAST[7:0]
0
R/W
Function
3
0
2
0
C8051F96x
1
0
0
0
221
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