TMP91xy20AFG Toshiba, TMP91xy20AFG Datasheet - Page 44

• Manufacturer Part Number: TMP91xy20AFG
• Manufacturer: Toshiba

Specifications of TMP91xy20AFG

• Package: LQFP144
• Rom Types(m=mask,p=otp, F=flash,e=eeprom): M
• Rom Combinations: 8
• Ram Combinations: 8
• Architecture: 16-bit CISC
• Usb/spi Channels: -
• Uart/sio Channels: 1
• I2c/sio Bus Channels: 1
• (s)dram Controller: 1
• Adc 10-bit Channel: 8
• Da Converter: -
• Timer 8-bit Channel: 4
• Timer 16-bit Channel: 1
• Pwm 8-bit Channels: -
• Pwm 16-bit Channels: -
• Cs/wait Controller: 4
• Dual Clock: Y
• Number Of I/o Ports: 77
• Power Supply Voltage(v): 3.0 to 3.6

General-purpose
interrupt
processing
Interrupt vector value “V”
read
Interrupt request F/F clear
PUSH
PUSH
SR<IFF2:0>← Level of
INTNEST ← INTNEST + 1
INTNEST ← INTNEST − 1
PC ← (FFFF00H + V)
Interrupt processing
Interrupt processing
Figure 3.4.1 Interrupt and Micro DMA Processing Sequence
Interrupt specified
RETI instruction
POP
POP
by micro DMA
start vector?
program
End
No
PC
SR
accepted
interrupt + 1
SR
PC
Yes
91C820A-42
Clear interrupt request flag
Count ← Count − 1
Data transfer by
micro DMA
Count = 0
No
Micro DMA soft start
request
Yes
Micro DMA processing
Clear vector register
generating micro DMA
transfer and interrupt
(INTTC0 to INTTC3)
TMP91C820A
2008-02-20