TMP91xy20AFG Toshiba, TMP91xy20AFG Datasheet - Page 101
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TMP91xy20AFG
Manufacturer Part Number
TMP91xy20AFG
Description
Manufacturer
Toshiba
Datasheet
1.TMP91XY20AFG.pdf
(360 pages)
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
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MAMR2
(00CDH)
MAMR0
(00C9H)
MAMR1
(00CBH)
MAMR3
(00CFH)
(2) Memory address mask registers
Bit symbol
Read/Write
After reset
Function
Bit symbol
Read/Write
After reset
Function
Bit symbol
Read/Write
After reset
Function
registers MAMR0 to MAMR3 are used to set the size of the CS0 to CS3 areas by
specifying a mask for each bit of the start address set in memory start address
registers MAMR0 to MAMR3. The compare operation used to determine if an address
is in the CS0 to CS3 areas is only performed for bus address bits corresponding to bits
set to 0 in these registers. Also, the address bits that can be masked by MAMR0 to
MAMR3 differ between CS0 to CS3 areas. Accordingly, the size that can be each area is
different.
Range of possible settings for CS0 area size: 256 bytes to 2 Mbytes
Range of possible settings for CS1 area size: 256 bytes to 4 Mbytes.
Range of possible settings for CS2 and CS3 area sizes: 32 Kbytes to 8 Mbytes.
Figure 3.6.3 shows the memory address mask registers. Memory address mask
Figure 3.6.3 Memory Address Mask Registers
V20
V21
V22
7
7
7
1
1
1
Memory Address Mask Register (for CS0 area)
Memory Address Mask Register (CS2, CS3)
Memory Address Mask Register (CS1)
V19
V20
V21
6
6
6
1
1
1
Sets size of CS2 or CS3 area
Sets size of CS0 area
Sets size of CS1 area
91C820A-99
V18
V19
V20
5
5
5
1
1
1
V17
V18
V19
4
4
4
1
1
1
R/W
R/W
R/W
0: Used for address compare
0: Used for address compare
0: Used for address compare
V16
V17
V18
3
3
3
1
1
1
V15
V16
V17
2
2
2
1
1
1
V14 to V9
V15 to V9
V16
1
1
1
TMP91C820A
1
1
1
2008-02-20
V15
V8
V8
0
0
0
1
1
1
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