TMP91xy20AFG Toshiba, TMP91xy20AFG Datasheet - Page 18

• 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

XT1
XT2
X1
X2
3.3.1
SYSCR0
SYSCR0
<XTEN, RXTEN>
High-frequency
Low-frequency
<XEN, RXEN>
Block Diagram of System Clock
oscillator
oscillator
φT
fs
f
SYS
φT0
f
OSCH
fs
Clock doubler
(DFM)
Warm-up timer (High-/low-frequency
oscillator), lockup timer (DFM)
Figure 3.3.2 Block Diagram of System Clock
f
DFM
SYSCR0<WUEF>
SYSCR2<WUPTM1:0>
DFMCR0<ACT1:0, DLUPTM>
DFMCR0<ACT1:0>
LCDC
MLD/ALM
TMRA0 to TMRA3,TMRB0
RTC
SIO0 to 2
SBI
= f
OSCH
Prescaler
Prescaler
Prescaler
Selector
× 4
91C820A-16
fc
÷
2
fc/2
Clock gear
÷
fc/4
4
÷
fc/8
8
÷
16
fc/16
SYSCR1<GEAR2:0>
SYSCR1<SYSCK>
SDRAMC
controller
I/O ports
Interrupt
ROM
RAM
WDT
CPU
ADC
fc/16
f
FPH
<PRCK1:0>
SYSCR0
÷2
÷2 ÷4
TMP91C820A
2008-02-20
φT
φT0
fs
f
SYS