TMP93xy20FG Toshiba, TMP93xy20FG Datasheet - Page 91

• 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

System Clock
XT1
X1
xxx: Don’t care
<SYSCK>
fc
Select
1 (fs)
0 (fc)
fs
XXX
XXX
fc/2
÷ 2
fc/4
1.
÷ 4
fc/8
Note:
Select Prescaler
Prescaler
signals for the 8-bit timers 0 to 3, the 16-bit timers 4, 6, 8, and A, and the serial interfaces 0
and 1.
clock signal resolution into 8- and 16-bit timers.
÷ 8
(Low-frequency
<PRCK1:0>
fc/16
(fc/16 clock)
There are 9-bit prescaler and prescaler clock selection registers to generate input clock
Figure 3.7.3 shows the corresponding block diagram, and Table 3.7.1 shows prescaler
10 (Note)
÷ 16
Clock
(f
clock)
FPH
00
01
The fc/16 clock cannot be used as a prescaler clock when the fs is used as a system clock.
SYSCR1<GEAR2:0>
)
Table 3.7.1 Prescaler Clock Resolution to 8- and 16-Bit Timers
f
FPH
SYSCR1<SYSCK>
<GEAR2:0>
Gear Value
Figure 3.7.3 Block Diagram of the Prescaler
XXX
000 (fc)
001 (fc/2)
010 (fc/4)
011 (fc/8)
100 (fc/16)
XXX
XXX
SYSCR0
<PRCK1:0>
Run/stop
& clear
<PRRUN>
TRUN
÷ 4
÷ 2
fs/2
fc/2
fc/2
fc/2
fc/2
fc/2
fs/2
fc/2
93CS20-89
3
3
4
5
6
7
3
7
( 244 µs)
(
(
(
(
(
( 244 µs)
(
φT1
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
8
Prescaler Clock Resolution
16-bit timer
5
5
6
7
8
9
5
9
16
8-bit timer
( 977 µs)
(
(
(
( 12.8 µs)
( 25.6 µs)
( 977 µs)
( 25.6 µs)
φT4
1.6 µs)
3.2 µs)
6.4 µs)
32
SYS
64
)
128
fs/2
fc/2
fc/2
fc/2
fc/2
fc/2
fs/2
fc/2
256
7
7
8
9
10
11
7
11
at fc = 20 MHz, fs = 32.768 kHz
φT16
(
(
( 12.8 µs)
( 25.6 µs)
( 51.2 µs)
( 102.4 µs)
(
( 102.4 µs)
512
3.9 ms)
6.4 µs)
3.9 ms)
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
TMP93CS20
to 8-bit timers
0 to 3
to 16-bit timers
4, 6, 8, and A
to serial
interfaces
0 and 1
11
11
12
13
14
15
11
15
2004-02-10
( 62.5
(102.4
(204.8
(409.6
(819.2
(
( 62.5
(
φT256
1.6384 ms)
1.6384 ms)
ms)
µs)
µs)
µs)
µs)
ms)