TMP93xy20FG Toshiba, TMP93xy20FG Datasheet - Page 118

• Manufacturer Part Number: TMP93xy20FG
• Manufacturer: Toshiba

Specifications of TMP93xy20FG

• Package: LQFP144
• Rom Types(m=mask,p=otp, F=flash,e=eeprom): M/P
• Rom Combinations: 64
• Ram Combinations: 2
• Architecture: 16-bit CISC
• Usb/spi Channels: -
• Uart/sio Channels: 2
• I2c/sio Bus Channels: 1
• (s)dram Controller: -
• Adc 10-bit Channel: 8
• Da Converter: -
• Timer 8-bit Channel: 4
• Timer 16-bit Channel: 4
• Pwm 8-bit Channels: -
• Pwm 16-bit Channels: -
• Cs/wait Controller: -
• Dual Clock: Y
• Number Of I/o Ports: 88
• Power Supply Voltage(v): 4.5 to 5.5

XT1
X1
XXX: Don’t care
Select System
fc
<SYSCK>
Note: The fc/16 clock cannot be used as a prescaler clock when the fs is used as a system clock.
fs
fc/2
Clock
1 (fs)
0 (fc)
XXX
XXX
÷2
fc/4
÷4
fc/8
(1) Prescaler
÷8
Prescaler Clock
fc/16
(low-frequency
<PRCK1:0>
(fc/16 clock)
÷16
clock signals for 8-bit timers 0 to 3, 16-bit timers 4, 6, 8, and A, and serial interfaces 0
and 1.
into 8 and 16-bit timers.
Select
(f
clock)
FPH
There are 9-bit prescaler and prescaler clock-selection registers to generate input
Figure 3.8.9 shows the block diagram. Table 3.8.1 shows prescaler clock resolution
00
01
10
SYSCR1<GEAR2:0>
Table 3.8.1 Prescaler Clock Resolution into 8- and 16-Bit Timers
)
f
FPH
SYSCR1<SYSCK>
<GEAR2:0>
Gear Value
XXX
000 (fc)
001 (fc/2)
010 (fc/4)
011 (fc/8)
100 (fc/16)
XXX
XXX
Figure 3.8.9 Block Diagram of Prescaler
SYSCR0
<PRCK1:0>
Run/stop
and clear
<PRRUN>
TRUN
÷4
÷2
fs/2
fc/2
fc/2
fc/2
fc/2
fc/2
fs/2
fc/2
93CS20-116
3
3
4
5
6
7
3
7
φT1
( 244 µs)
(
(
(
(
(
( 244 µs)
(
0.4 µs)
0.8 µs)
1.6 µs)
3.2 µs)
6.4 µs)
6.4 µs)
9-bit prescaler
÷2
2
to CPU
System clock (f
4
fs/2
fc/2
fc/2
fc/2
fc/2
fc/2
fs/2
fc/2
16-bit timer
8-bit timer
Prescaler Clock Resolution
8
5
5
6
7
8
9
5
9
φT4
( 977 µs) fs/2
(
(
(
( 12.8 µs) fc/2
( 25.6 µs) fc/2
( 977 µs) fs/2
( 25.6 µs) fc/2
16
1.6 µs) fc/2
3.2 µs) fc/2
6.4 µs) fc/2
32
SYS
64
)
128
7
7
8
9
10
11
7
11
φT16
(
(
( 12.8 µs)
( 25.6 µs)
( 51.2 µs)
( 102.4 µs)
(
( 102.4 µs)
256
at fc = 20 MHz, fs = 32.768 kHz
3.9 ms)
6.4 µs)
3.9 ms)
512
φT1
φT4
φT16
φT256
φT1
φT4
φT16
φ1
φT0
φT2
φT8
φT32
fs/2
fc/2
fc/2
fc/2
fc/2
fc/2
fs/2
fc/2
11
11
12
13
14
15
11
15
(102.4
( 62.5
(204.8
(409.6
(819.2
(
( 62.5
(
φT256
TMP93CS20
to 8-bit timers
0 to 3
to 16-bit timers
4, 6, 8, and A
to serial
interfaces
0 and 1
1.6384 ms)
1.6384 ms)
2004-02-10
ms)
µs)
µs)
µs)
µs)
ms)