M38588GCSP#U0 Renesas Electronics America, M38588GCSP#U0 Datasheet - Page 32

• Manufacturer Part Number: M38588GCSP#U0
• Description: IC 740/3858 MCU QZ-ROM 42DIP
• Manufacturer: Renesas Electronics America
• Series: 740/38000r

Specifications of M38588GCSP#U0

• Core Processor: 740
• Core Size: 8-Bit
• Speed: 12.5MHz
• Connectivity: SIO, UART/USART
• Peripherals: PWM, WDT
• Number Of I /o: 34
• Program Memory Size: 48KB (48K x 8)
• Program Memory Type: QzROM
• Ram Size: 1.5K x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Data Converters: A/D 9x8b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 85°C
• Package / Case: 42-DIP (0.600", 15.24mm)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

3858 Group
Fig. 20 Block diagram of timer Z1
REJ03B0139-0111
page 30 of 73
P 2
2
/ C N T R
Timer Z1 operating
mode bits
P o r t P 2
d i r e c t i o n r e g i s t e r
“001”
“100”
“101”
2
2
Rev.1.11
P r o g r a m m a b l e o n e - s h o t
P 4
2
/ I N T
g e n e r a t i n g m o d e
1
C N T R
s w i t c h b i t
Pulse period measurement mode
Pulse width measurement mode
O u t p u t l e v e l l a t c h
X
X
C I N
I N
2
Dec 18, 2008
a c t i v e e d g e
Port P2
latch
“ 1 ”
“0 ”
2
(1/2, 1/4, 1/8, 1/16, 1/32, 1/64, 1/128, 1/256, 1/512, 1/1024)
D i v i d e r
Timer Z1 low-order latch
Clock for
timer Z1
Timer Z1 low-order
P r o g r a m m a b l e o n e - s h o t
f ( X
C I N
D
T
g e n e r a t i n g c i r c u i t
)
Q
C o u n t s o u r c e
s e l e c t i o n b i t
Programmable waveform
generating mode
Pulse output mode
Edge detection circuit
T
S
Q
Q
Timer Z1 high-order latch
C N T R
s w i t c h b i t
Timer Z1 high-order
Timer/Event
counter mode
switch bit
“1”
“1”
“0 ”
“0 ”
2
Pulse output mode
a c t i v e e d g e
CNTR
switch bit
2
active edge
Timer Z1 count stop bit
“0 ”
“1”
P r o g r a m m a b l e o n e - s h o t
g e n e r a t i n g m o d e
D a t a b u s
To INT
request bit
T o t i m e r Z 1 i n t e r r u p t
r e q u e s t b i t
To CNTR
request bit
1
interrupt
2
interrupt